MCAT behavioral sciences updated already passed

MCAT behavioral sciencesjust noticeable difference jnd - correct answer minimum difference in magnitude between two stimuli before one can perceive this difference Weber's law - correct answer there is a constant ratio between the change in stimulus magnitude needed to produce a jnd (higher stimulus will need a larger difference to produce a jnd) Signal detection theory - correct answer changes in out perception of the sam stimuli depending on both internal and external context (how loud would someone need to yell your name in a crowd for you to hear their name?) response bias - correct answer subjects respond in a certain way due to non sensory factors duplexity (duplicity theory of vision) - correct answer retina contain two kinds of photoreceptores: those specialized for light and dark detection and those specialized for color section cones - correct answer used for color vision and sense fine details- most effective in bright light and comes in 3 forms (blue, red, green) rods - correct answer more functional and only allow sensation of light and dark because they all contain a single pigment (rhodopsin)- low sensitivity but allow night vision (more rods than cones) fovea - correct answer center most part of the eye and only contains cones optic chiasm - correct answer fiber from the nasal half of each rating cross paths parallel processing - correct answer ability to simultaneously analyze and combine information regarding color, shape, and motion