BIOL 303 Lecture Notes - Lecture 21: Enkephalin, Signal Transduction, Tetrahydrocannabinol
24 Mar 2017
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Complex and variable trait subject to multiple genetic, environmental influence, and intense subjectivity. Refers to the ability to reason, learn, remember, synthesize, deduce, and create. Intelligence quotient (iq) test was first developed in france in 1904: Predicts academic success of developmentally disabled children. Later modified at stanford university to assess white, middle-class americans. Ig is normally distributed around a mean of 100: Iq has been a fairly accurate predictor of success in school and work. Tests verbal fluency, mathematical reasoning, memory, and spatial visualization ability. G value measures a general intelligence factor that represent the inherited portion of iq. Environment has less of an influence on iq as a person ages. Compulsively seeking and taking a drug despite knowing its adverse effects. Tolerance : need to take more of a drug to achieve the same effect. Dependence : onset of withdrawal symptoms with cessation of drug. Twin and adoption studies support role of genes in drug addiction.
