Psychology 2015A/B Lecture Notes - Lecture 4: Grandmother Cell, Fusiform Face Area, Prosopagnosia

• School: Western University
• Department: Psychology
• Course: Psychology 2015A/B
• Professor: John Campbell

Document Summary

Selective adaptation: selective rearing, dedicated brain areas and their role in perception, visual neglect, blindsight, category perception, perceiving emotion. Selective adaptation: neurons tuned to specific stimuli fatigue when exposure is long, specific neurons are dedicated to particular features. Fatigue or adaptation to stimulus causes: neural firing rate to decrease, neuron to fire less when stimulus immediately presented again. Sensory code: representation of perceived objects through neural firing: specificity coding: specific neurons responding to specific stimuli. Leads to the (cid:862)gra(cid:374)d(cid:373)other (cid:272)ell(cid:863) hypothesis - dedicated cell that fires when we see grandma or any specific person: recent research shows cells in the hippocampus that respond to concepts such as. Halle berry: problems with specificity coding, too many different stimuli to assign to specific neurons, most neurons respond to a number of different stimuli, population coding: pattern of firing across many neurons codes specific objects.