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|title=Buddhi
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|title=Buddhi (intellect)
 
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|keywords=Buddhi,Buddhi meaning,Buddhi defination,Buddhi in ayurveda,Indriyopakramaniya Adhyaya,Katidhapurusha Sharira
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|keywords=Buddhi,Buddhi meaning, Buddhi definition, Buddhi in ayurveda, Indriyopakramaniya Adhyaya, Katidhapurusha Sharira, charak samhita, ayurveda, Indian systems of medicine, Deole Y.S., Basisht G., intelligence quotient, intelligent, intellect, wisdom, mind, brain functions in ayurveda, carak samhita
 
|description='Buddhi' means intellect. It works for decision making between right and wrong, wholesome and unwholesome
 
|description='Buddhi' means intellect. It works for decision making between right and wrong, wholesome and unwholesome
 
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'Buddhi' means intellect. It works for decision making between right and wrong, wholesome and unwholesome.  
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<p style='text-align:justify;'>The word ‘buddhi’ refers to the intelligence of a person. [Cha. Sa. [[Sutra Sthana]] 1/32], [Cha. Sa. [[Sutra Sthana]] 15/5]
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<br/>Buddhi (intellect) is the power of forming and retaining conceptions and general notions.(SAT-A.159)<ref>Available from  http://namstp.ayush.gov.in/#/sat</ref> It includes perception, comprehension, understanding, and knowledge. Intellect is the ability of the mind to reach a correct conclusion about true and false and solve problems.<ref>Wikipedia contributors. Intellect. Wikipedia, The Free Encyclopedia. April 13, 2021, 20:05 UTC. Available at: https://en.wikipedia.org/w/index.php?title=Intellect&oldid=1017624289. Accessed June 30, 2021.</ref>Dhee (intellect), dhriti (restraint), and [[Smruti (memory)|smriti]] (memory) are three faculties responsible for intelligence.
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<br/>
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All the universe is a teacher for a person with sharp intelligence. Self can learn everything by the power of intellect. [Cha. Sa. [[Vimana Sthana]] 8/14] One can acquire knowledge, even beyond the limit of senses, with the help of intelligence. [Cha. Sa. [[Sutra Sthana]] 11/7] This article describes the concept of buddhi (intellect) in [[Ayurveda]], its application in medical practices, and its relevance in healthcare management.
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==More information==  
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{{Infobox
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|title = Contributors
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|label1 = Section/Chapter/topic
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|data1 = [[Sharira]] / [[Buddhi]]
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|label2 = Authors
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|data2 =  Deole Y.S., Anagha S.
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|label3 = Reviewer and Editor
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|data3 = Basisht G.
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|label4 = Affiliations
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|data4 = [[Charak Samhita Research, Training and Development Centre]], I.T.& R.A., Jamnagar, India
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|label5 = Correspondence email
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|data5 = carakasamhita@gmail.com
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|label6 = Publisher
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|data6 = [[Charak Samhita Research, Training and Development Centre]], I.T.R.A., Jamnagar, India
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|label7 = Date of first publication:
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|data7 = July 04, 2021
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|label8 = DOI
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|data8 = 10.47468/CSNE.2021.e01.s09.064
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}}
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==Importance of intellect in preservation of health==
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<div style="text-align:justify;">
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The lifestyle of an individual depends upon his choices of daily living and habits. The intellect plays a key role in the decision-making of an individual. It differentiates between good and bad, beneficial and harmful perceived information. Then acquires the good and beneficial things for the preservation of health. In an abnormal state of intellect ([[prajnaparadha]]), the person indulges in bad and harmful objects. This disorganization of selection, discrimination and decision process leads to diseases. [[Prajnaparadha]] is one of the fundamental causes of disease. [Cha.Sa. [[Sutra Sthana]] 11/43]
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One who is endowed with excellent intellectual faculty, submissive [[Manas|mind]], clear understanding and knowledge that results in positive speech and actions is not affected by [[Vyadhi|diseases]]. [Cha. Sa. [[Sharira Sthana]] 2/47] Therefore, the preservation of buddhi is crucial for the preservation of [[health]] and prevention of [[Vyadhi|diseases]].
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</div>
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==Etymology and derivation ==
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<div style="text-align:justify;">
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The Sanskrit word ‘buddhi’ is derived from root “budh” meaning “to know”.<ref>Jha Srujan. Amarkosha online application</ref>
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==Synonyms ==
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<div style="text-align:justify;">
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The synonyms of buddhi are maneesha, dhishana, dhee, prajna, shemushi, mati, preksha, upalabdhi, chit, samvit, pratipat, jnapti, chetana, samjna, aaman, pradhana and prajnana.<ref>Jha Srujan. Amarkosha online application</ref> 
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==Contextual meanings==
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<div style="text-align:justify;">
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Buddhi is the primary component of cognition in the process of knowledge (jnanotpatti) [Cha. Sa. [[Sharira Sthana]] 1/22-23]. It is one of the tools or instruments of knowledge called “karana”. [Cha. Sa. [[Sharira Sthana]] 1/56] 
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It is a quality ([[guna]]) attributed to the soul ([[atma]]) [Cha. Sa. [[Sutra Sthana]]1/49, 8/13]. It is a characteristic feature showing the presence of soul ([[atma]]) in a physical [[Sharira|body]]. [Cha. Sa. [[Sharira Sthana]] 1/72]
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In Indian philosophy, the theories of the origin of the universe (srishtyutpatti) consider the supreme intellect (buddhi/ mahat tatwa) as one of the sixteen derivatives (shodasha vikara).[Cha. Sa. [[Sharira Sthana]] 1/63]
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Understanding the truth or anything in its original form is called as “satya buddhi.” [Cha. Sa. [[Sutra Sthana]] 21/38],[Chakrapani, Cha. Sa. [[Sharira Sthana]] 1/142-143]
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This knowledge is critical to prevent exogenous [[Vyadhi|diseases]]. [Cha.Sa.[[Sutra Sthana]] 7/53-54] Acquiring pure knowledge is the treatment of mental disorders. [Cha.Sa.[[Sutra Sthana]] 1/58 ]  Knowledge of truth makes the person free from all worldly bondages. It is an important mean to attain salvation(moksha).[ Cha. Sa. [[Sharira Sthana]] 5/16-19] 
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</div>
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== Classification ==
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<div style="text-align:justify;">
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Intelligence (buddhi) can be of two kinds.
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a)Inherent (sahaja buddhi)
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b)Acquired through the process of learning (shastraja buddhi)[Cha. Sa. [[Sutra Sthana]]9/24, chakrapani]
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Contemporary science documents that 50% of a person’s knowledge is inherited. The inherited genome sequence differences are identified recently by many genome-wide association studies.<ref>Plomin, R., von Stumm, S. The new genetics of intelligence. Nat Rev Genet 19, 148–159 (2018). https://doi.org/10.1038/nrg.2017.104</ref>  Apart from genetic factors, environmental factors like place of residence, family status, parents' education and occupation, and physical exercise can influence a child's intelligence.<ref>Makharia A, Nagarajan A, Mishra A, Peddisetty S, Chahal D, Singh Y. Effect of environmental factors on intelligence quotient of children. Ind Psychiatry J. 2016;25(2):189-194. doi:10.4103/ipj.ipj_52_16</ref>
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</div>
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==Three categories of learners:==
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<div style="text-align:justify;">
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There are three categories of learners or students (shishya) based on their ability to learn, grasp, understand and retain knowledge (buddhi).
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a) Low intelligence (avara buddhi)
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b) Average intelligence (madhyama buddhi)
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c) High intelligence (pravara buddhi) [Cha. Sa. [[Vimana Sthana]] 8/3]
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</div>
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===Intelligence quotient (IQ)===
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<div style="text-align:justify;">
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A set of standardized tests is used to assess the intellectual ability of an individual. The total score obtained is known as ‘intelligence quotient (IQ)’. <ref>Braaten, Ellen B.; Norman, Dennis (1 November 2006). "Intelligence (IQ) Testing". Pediatrics in Review. 27 (11): 403–408. doi:10.1542/pir.27-11-403</ref> This quotient is useful to diagnose intellectual disabilities and developmental milestones, especially in children.  IQ classification based on Wechsler Intelligence Scale for Children is shown in the below table.<ref>Kaufman, Alan S.; Engi Raiford, Susan; Coalson, Diane L. (2016). Intelligent Testing With the WISC-V. Hoboken, New Jersey: John Wiley & Sons. p. 237.</ref>
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{| class="wikitable"
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|-
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!IQ Range ("deviation IQ")!! IQ Classification
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|-
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|130 and above || Extremely High
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|-
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|120-129 || Very High
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|-
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|110-119 || High Average
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|-
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|90-109 || Average
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|-
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|80-89 || Low Average
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|-
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|70-79 || Very Low
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|-
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|69 and below|| Extremely Low
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|}
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The maximum capacity of human intellect is innumerable due to the versatility of the objects (vishaya) of perception. [Chakrapani, Cha. Sa. [[Sharira Sthana]] 1/32-33] The knowledge is limitless.
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</div>
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==Anatomical aspects of buddhi==
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===Embryological development===
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<div style="text-align:justify;">
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In embryological development, the buddhi starts functioning in the sixth month of gestation. [Su. Sa. [[Sharira Sthana]] 3/30] It originates from [[Atma|soul]] (atmaja bhava).[Cha. Sa. [[Sharira Sthana]]3/10]
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The ultrasonographical studies confirm that the fetal responses for vibro-acquistic stimulus start from the 24 weeks of gestation<ref>Birnholz JC, Benacerraf BR. The development of human fetal hearing. Science. 1983 Nov 4;222(4623):516-8. doi: 10.1126/science.6623091. PMID: 6623091.</ref>  onwards. This shows the cognitive development (buddhi) in [[Garbha|foetus]].
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</div>
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===Site of buddhi===
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The heart (hridaya) is the site of the intellectual faculty (buddhi). [Cha. Sa. [[Siddhi Sthana]] 9/5] The  "sadhaka" variety of [[pitta]] [[dosha]] located in heart conducts physiological functions of intellect. It works for fulfilling the common objectives of one’s life. [A. Hr. Sutra Sthana 12/13]  Acharya Bhela adds a sub-type of alochaka [[pitta]] [[dosha]] and names it as “buddhirvaisheshika” (specific to intelligence). It is located in head. [Bhela Samhita]
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</div>
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===Anatomical considerations of intelligence===
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<div style="text-align:justify;">
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The size of the brain, cortex, prefrontal cortex, and degree of encephalization are relevant for deciding intellectual capacity. The number of cortical neurons and conduction velocity are considered as the basis of information-processing capacity.<ref>Roth G, Dicke U. Evolution of the brain and intelligence. Trends Cogn Sci. 2005 May;9(5):250-7. doi: 10.1016/j.tics.2005.03.005. PMID: 15866152.</ref>
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</div>
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===Sensory perceptions===
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<div style="text-align:justify;">
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The [[indriya]] are associated with specific areas in the cerebral cortex for proper perception and knowledge. Six types of perceptions ([[indriya]] buddhi) are described based on the sensory faculties and [[Manas|mind]]. [Chakrapani, Cha. Sa. [[Sharira Sthana]] 1/32-33]
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The following table shows the association of [[indriya]] buddhi and associated areas in brain.<ref>Aniket Anil Shilwant, Role of indriya in cognition as explained in Ayurveda with reference to receptors, Int. J. Ayur. Pharma Research, 2020;8(6):23-30.</ref>
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'''Table : Association of indriya and areas of cerebral cortex'''
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{| class="wikitable"
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|-
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!Perception !! Area in Cortex
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|-
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|Auditory perception (shrotrendriya buddhi)|| Auditory area (area no. 21, 22)
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|-
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|Tactile perception (sparshanendriya buddhi)|| Somesthetic & Somesthetic association area (area no. 1,2,3,5&7)
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|-
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|Visual perception (chakshurindriya buddhi) ||Primary visual & visual association area (area no. 17,18,19)
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|-
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|Gustatory perception (rasanendriya buddhi)|| Gustatory area (area no. 43)
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|-
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|Olfactory perception (ghranendriya buddhi)|| Olfactory area (area no. 28)
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|}
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The sixth sense or mind ([[manas]]) associated with intellect (buddhi) is called as (manasa buddhi). [Chakrapani, Cha. Sa. [[Sharira Sthana]] 1/32-33]
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</div>
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==Physiological aspects of buddhi==
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<div style="text-align:justify;">
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The [[dosha]] are responsible for various intellectual functions. The process of receiving-transmitting the sensory inputs and initiating motor functions is done by [[vata]] [[dosha]]. [A. Hr. Sutra Sthana 11/3] Sharpness of intelligence (medha/dhi) is attributed to [[pitta]] [[dosha]]. [A. Hr. Sutra Sthana 11/3] Maintenance of proper intellectual function is attributed to [[kapha]] [[dosha]]. [Cha. Sa. [[Sutra Sthana]] 12/12]
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As per physical constitution ([[prakriti]]), individuals with [[kapha]] predominant constitution are endowed with the excellence of intelligence [A.Hr. Sharira Sthana 3/96]. The persons with [[pitta]] predominant constitution exhibit sharpness of intellectual functions. [A.Hr. Sharira Sthana 3/92]
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Buddhi and medha are mentioned as the attributes of [[sattva]] [[guna]] as per the mental constitution of the person. [Su. Sa. Sharira Sthana 1/18]
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A study was conducted to analyze the relation between physical constitution ([[deha prakriti]]) and mental constitution  ([[Manas prakriti|manasa prakṛiti]]) and intelligence in 150 healthy individuals. It was found that intelligence quotient (IQ) was more in [[kapha]] [[prakriti]] individuals. Moderate IQ was observed in [[pitta]] [[prakriti]]. It was comparatively less in [[vata]] [[prakriti]] individuals.<ref>Nandvadekar V, Binorkar SV. Intelligence quotient and concept of Deha-Mānasa Prakṛti in Ayurveda. Anc Sci Life. 2016;35(4):201-206. doi:10.4103/0257-7941.188184</ref>
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</div> 
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===Physiology of cognition in Ayurveda===
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<div style="text-align:justify;">
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The process of cognition is known as “jnanotpatti”. The five sensory faculties ([[Indriya|jnanendriya]]) give inputs to the internal processing unit, including [[Manas|mind]], [[Ahamkara|ego]], and intellect. [Cha. Sa. [[Sharira Sthana]] 1/24] The sensory signals are subjected to analysis, thought process, and generation of assumptions at the level of [[Manas|mind]]. The intellect performs the process of discrimination (adhyavasaya) and decision (nishchaya). It sends signals to the motor faculty for initiation of needful action. [Cha. Sa. [[Sharira Sthana]] 1/20-23].
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In the current view, cognitive functions include perception, attention, memory, learning, decision making, language abilities etc.<ref>Kiely, Kim (2014). "Cognitive function". In Michalos, Kim M. (ed.). Encyclopedia of Quality of Life and Well-Being Research. Springer. pp. 974–978.</ref> The process is carried out in the brain and nervous system. In perception, physical and chemical stimulation of the sensory system and transmission of signals through the nervous system to the brain occurs. Perception is influenced by the person’s learning, memory, expectation, and attention.<ref>Bernstein, Douglas A. (5 March 2010). Essentials of Psychology. Cengage Learning. pp. 123–124.</ref> The perception, learning, and memory formation are explained based on the concept of synapses of neurons. The pre and post-synaptic neurons and their inter-cellular and intracellular signaling pathways are responsible for these functions. Recent studies state that the star-shaped cells called astrocytes occupy half of the brain volume. Earlier it was thought to have only structural and metabolic functions. They have a specific role in cognitive functions like learning, perception, conscious processing, and memory formation.<ref>Alfredo P Jr, Pereira MA, Furlan FA. Recent advances in brain physiology and cognitive processing. Mens Sana Monogr. 2011;9(1):183-192. doi:10.4103/0973-1229.77434</ref>
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Studies on the relation of [[indriya]] (sense and motor organs), its connection with [[Manas|mind]] and [[Atma|soul]], its influence on functions of the brain and nervous system can provide more inputs in understanding the process of cognition.
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</div>
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==Importance in diagnosis of diseases ==
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===Importance of buddhi in etio-pathogenesis===
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<div style="text-align:justify;">
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*Intellectual error ([[prajnaparadha]]) is one of the major causative factors of all diseases. [Cha.Sa.[[Sutra Sthana]] 11/43]
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*Perversion of intellect (buddhi vibhramsha) leads to wrong interpretation, decision, and knowledge. This results in the perception of something harmful as a useful one, and vice versa. [Cha.Sa.[[Sharira Sthana]] 1/99]
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*Distortion of the intellectual functions (buddhi vaikruta) indicates a decrease in lifespan. [Cha. Sa. [[Sutra Sthana]] 30/25]
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*Altered intellectual functions are a sign of an advanced stage of poisoning. [Cha. Sa. [[Sutra Sthana]] 21/48]
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*Sudden diminution of intellectual abilities is a poor prognostic sign. [Cha. Sa. [[Indriya Sthana]] 11/7]
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*Psychosis disorders ([[unmada]]) and seizure disorders ([[apasmara]]) are two major disorders with direct pathological involvement of intellectual faculty (buddhi). Psychosis (unmada) is characterized by cognitive distortion related to mind, intellect, consciousness, knowledge, memory, desire, attitude, activities and behavior. [Cha.Sa.[[Nidana Sthana]]7/5]
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*Seizure disorders ([[apasmara]]) develop due to perversion of memory, intellect and other mental faculties. It is characterized by transient loss of consciousness associated with aberrant activities. [Cha.Sa.[[Nidana Sthana]] 8/5]
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*The condition characterized by severe distortion of intellectual functions is called as “atattwabhinivesha”. It is a dreadful disease (mahagada). [Cha. Sa. [[Chikitsa Sthana]] 10/60]
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*Poor functioning of intellect (abuddhitwam) is one of the diagnostic criteria (bahu [[dosha]] lakshana) for purification therapy ([[shodhana]]).[Cha. Sa. [[Sutra Sthana]] 16/15]
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==Importance in management of disease ==
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Normal intellectual functions are crucial for following a wholesome regimen, avoiding harmful factors and preservation of [[health]]. Purification therapy ([[shodhana]] chikitsa) is administered to attain a pleasant state of intellect (buddhi prasadana). [Cha. Sa. [[Sutra Sthana]] 16/18] In the treatment of mental disorders, uplifting intellectual functions is one of the treatment modalities. [ A.Hr. Sutra Sthana 1/ 26]
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Restraint of mind highly depends on intellectual abilities. The principle of Ayurveda psychotherapy (sattvavajaya chikitsa) is restoring the psychological equilibrium by giving assurance of emotional support.<ref>Belaguli G, Savitha H P. An empirical understanding on the concept of Sattvavajaya Chikitsa (Ayurveda Psychotherapy) and a mini-review of its research update. Indian J Health Sci Biomed Res 2019;12:15-20</ref>
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</div>
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==Importance in healthcare management and teaching==
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===Role of intelligence (buddhi) of physician===
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<div style="text-align:justify;">
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The diagnosis and treatment of any [[Vyadhi|disease]] in [[Ayurveda]] is based upon mainly four means of knowledge. [Cha. Sa. [[Sutra Sthana]] 11/17]
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a)Verbal testimony / textual knowledge/authoritative statements ([[aptopadesha]]) [Cha.Sa.[[Vimana Sthana]] 4/4]
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b)Direct perception ([[Pratyaksha pramana|pratyaksha]]) [Cha. Sa. [[Sutra Sthana]] 11/20]
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c)Inference ([[Anumana pramana|anumana]]) [Cha. Sa. [[Vimana Sthana]] 8/40]
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d)Logical reasoning ([[Yukti pramana|yukti]]) [Cha. Sa.[[Sutra Sthana]] 11/25]
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Intellect (buddhi) of physician plays a significant role in understanding the verbal testimony (history of the disease), direct observations (examinations), and forming the inference as well as logical reasoning at  the higher level.
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Personified diagnosis, interpretation of pathological findings, pathogenesis ([[samprapti]]), prognosis, and treatment depends upon the physician's intelligence. Inherent and acquired intelligence are important in healthcare management.[Cha. Sa. [[Sutra Sthana]] 10/22], [Cha. Sa. [[Sutra Sthana]] 7/47]
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Through experience and acquired intellectual skills, an ideal physician can connect with the patient's soul and experience his suffering state. Then he can try to cure the disease at its root level. [Cha.Sa. [[Vimana Sthana]] 4/12]
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An intelligent physician is free to make necessary changes in medical prescription to make it suitable for the patient as per the stage of disease after a thorough assessment of the condition. [Cha. Sa. [[Sutra Sthana]] 4/20],[Cha. Sa. [[Sutra Sthana]] 4/28]
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Personified dose of medicines for different treatment purposes depends on the intelligence of the physician. [Cha. Sa. [[Sutra Sthana]] 5/36][Su. Sa. Chikitsa Sthana 37/106].
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</div>
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==Importance of diet and nutrition in promoting intelligence==
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<div style="text-align:justify;">
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[[Ghee]] (ghrita) is recommended for promoting intelligence. [Cha. Sa. [[Sutra Sthana]] 13/43], [A. Hr. Sutra Sthana 5/37]
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The diet deficient in iron, zinc, protein, iodine, B vitamins, omega three fatty acids, magnesium, and other nutrients either in mother during antenatal period or in child during developmental age, can result in lower intelligence.<ref>Melville K (22 November 2004). "Poor Nutrition Leads to Low IQ". scienceagogo.com.</ref>
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</div>
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===Herbs for promotion of intelligence:===
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<div style="text-align:justify;">
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Different combinations of herbs and nano particles of gold (swarna) are recommended for newborns and young children to promote intellectual functions. They include the following:
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a)Powder of Saussurea lappa (kushtha) with [[honey]] and [[ghee]]
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b)Powder of Bacopa monnieri (matsyakshaka), Convolvulus pluricaulis ([[shankhapushpi]]) with [[honey]] and [[ghee]].
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c)Powder of Holostemma ada-kodien (arkapushpi), Acorus calamus Linn.([[vacha]]) with [[honey]] and [[ghee]].
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d)Powder of Murraya koenigii (kaitarya), Cynodon dactylon(durva) with [[honey]] and [[ghee]].[ Su. Sa. Sharira Sthana 10/68-70]
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</div>
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===Rasayana promoting intellectual functions (medhya rasayana):===
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<div style="text-align:justify;">
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Following herbs are known to promote intellectual functions and used in the management of disorders of intellect.
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*The juice of Centella asiatica ([[mandukaparni]])
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*The powder of Glycyrrhiza glabra ([[yashtimadhu]]) with milk
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*The juice of Tinospora cordifolia ([[guduchi]])
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*The paste of Convolvulus pluricaulis ([[shankhapushpi]]) are considered especially as intellect promoting (medhya [[rasayana]]). [Cha. Sa.[[Chikitsa Sthana]] 1/3/30-31]
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</div>
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==Activities promoting intelligence==
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<div style="text-align:justify;">
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The academic and professional performance of a person depends upon his intelligence.  Discussion with the experts (tadvidvya sambhasha) is the best method to improve intelligence and knowledge. [Cha.Sa.[[Sutra Sthana]] 25/40]
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The friendly and competitive debates on a particular topic of academic or professional interest help enhance intellectual skills.[Cha. Sa. [[Vimana Sthana]] 8/67]
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Continuous learning, engaging in friendly debates, referring, learning new things from other sciences, and devotion to the preceptors of sciences enhance intellectual abilities. [Su.Sa.Chikitsa Sthana 28/2]
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</div>
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==Current researches ==
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<div style="text-align:justify;">
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*A pilot study to examine the correlation among intelligence quotient (IQ), social quotient(SQ), performance quotient (PQ), maladaptive behavior and their relationship with primary (anubandhya) and secondary (anubandha) [[dosha]] was carried out. The 120 children with mild to moderate intellectual disabilities were included in the study. It revealed a positive correlation between IQ and SQ. The correlation of secondary [[dosha]] was found to be high with IQ and SQ.<ref>Sharma S, Balsavar A, Beniwal RP, Bhatia T, Deshpande SN. A Pilot Study of Correlation between Intelligence Quotient, Social Quotient, and Ayurveda Parameters in Children. Indian J Psychol Med. </ref>
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*A study on 150 healthy individuals showed that the Intelligence Quotient (IQ) is more in [[kapha]] [[prakriti]], moderate in [[pitta]] [[prakriti]] and least in [[vata]] [[prakriti]] individuals. In [[manas prakriti]], IQ is more in sattvika [[prakriti]], moderate in rajasika [[prakriti]] and least in tamasika [[prakriti]]. The other factors which influence IQ levels in the individuals are socio-economic status (IQ is less in lower classes when compared to others), education (higher the education, higher the IQ), diet (vegetarian diet influences IQ positively) and temperament (normal individuals have more IQ in comparison to calm and aggressive individuals).<ref>Nandvadekar V, Binorkar SV. Intelligence quotient and concept of Deha-Mānasa Prakṛti in Ayurveda. Ancient Sci Life [serial online] 2016 [cited 2022 Aug 29];35:201-6. Available from: https://www.ancientscienceoflife.org/text.asp?2016/35/4/201/188184</ref>
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*A placebo controlled clinical trial evaluated the efficacy of Glycyrrhiza glabra Linn.( [[yashtimadhu]] ) granules on intelligence quotient (IQ). The trial drug in a dose of 12 g per day with lukewarm milk in 94 school-going children aged between 14-16 years showed enhancement in IQ.<ref>Sheshagiri S, Patel KS, Rajagopala S. Randomized placebo-controlled clinical study on enhancement of Medha (intelligence quotient) in school going children with Yahstimadhu granules. Ayu. 2015 Jan-Mar;36(1):56-62. doi: 10.4103/0974-8520.169011. PMID: 26730140; PMCID: PMC4687241.</ref>
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== Theses done==
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1.Srivatsa(2000): Concept of [[Manas prakriti|Manasa Prakriti]] and its role in Psychopathology w.s.r to Anavastita Cittatva (General Anxiety Disorders) and its Management, Department of Basic Principles, I.P.G.T&R.A, Jamnagar.
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2.Neeta Patel(2008): The Conceptual and Applied study of Medha and [[Manas]] in Ayurveda, Department of Basic Principles, I.P.G.T&R.A, Jamnagar
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3.Amruta Gaikwad, (2011) “A Comparative Pharmaco-Clinical study of the effect of Madhu-Ghrita and Swarna-Vacha-Madhu-Ghrita on Neonates”, Department of Kaumarabhritya, I.P.G.T. &R.A., Jamnagar
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4.Aniket Patil (2012), “To Clinically Evaluate the effect of Suvarna binduprashan on immunity and intelligence quotient”, BMK Ayurveda Mahavidhyalaya, KLE, Belgaum
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== Related Chapters==  
    
# [[Indriyopakramaniya Adhyaya]]
 
# [[Indriyopakramaniya Adhyaya]]
 
# [[Katidhapurusha Sharira]]
 
# [[Katidhapurusha Sharira]]
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# [[Manas]]
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# [[Indriya]]
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# [[Purusha]]
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# [[Prakriti]]
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# [[Deha Prakriti]]
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# [[Manas Prakriti]]
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==References==
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