AbstractBackground: Ayurvedic literatures pertaining to Shareera Rachana furnish detailed description onmeasurements of body and its elements. Pramana defines the concept of measurement ofvarious biological entities. It bears an ample importance in medical applied science. Work on Pramana Shareera has been already taken in recent years. But still the fixation of exact anatomical location has to be clarified and demarcated. Intelligence is a property of mind that encompasses many related abilities, such as the capacity to reason, to plan, to solve problems, to think abstractly, to comprehend ideas, to use language, and to learn. Intelligence quotient or IQ was a score derived from one of the several different standardized tests to assess intelligence. Acharya Vagbhata mentioned that Kapha Prakruthi person having Mahalalaata (broad forehead) and also they will have more intelligence, truthfullness, etc and same explanation will get in Jyotishastra. Objective: The main aim is to study about LalaataPramana mentioned in Ayurvedic classics and modern literature, its relation with IQ and fixation of exact anatomical location to measure Lalaata Pramana. Methodology: The total of 100 volunteers was selected for the study. Vital data like Age, Sex, etc were documented. The length of middle phalanx of right and left middle fingers and forehead length were measured. IQ of individuals assessed with WAIS method. Result: The Pearson’s correlation coefficient equation and Instat Graphpad computer software was used for finding relation of forehead length and IQ of subjects. Statistically insignificant (P>0.05) Moderate Positive Correlation (R=0.23) was found among forehead length and IQ of individuals as per the study. Conclusion: Within limits of the present study, moderate relation was found in LalaataPramana and IQ.
Keywords: Pramana; Lalaata; Forehead; IQ.