Psychology 1000 Study Guide - Final Guide: Fot, Prefrontal Cortex, Disulfiram

• School: Western University
• Department: Psychology
• Course: Psychology 1000
• Professor: Dr.Mike

Document Summary

*psychophysics: relation between physical stimulus and psychological response. *can get someone to tell you when something has changed, can be measured. *value of a stimulus characteristic required to produce some response. What do i need to get a sensory system to kick in. Candle flame on dark clear night from 50km away. *taste; tsp. of sugar in 8l of water. *smell; 1 drop of perfume in a 6 room apt. *touch; wing of a fly falling on our check from 1cm. *value or amount of change necessary for a jnd. *in order to measure this we need to start with some principles; Weber"s law (must be able to calculate on exam) *size of a difference threshold relative to psychical intensity of test is constant. *if i=50 db and a jnd is reported at 55 db. *a jnd would occur at new test +10 =110 db or new test 10= 90 db. *the smaller i/i is the better the system.