PSYC 100 Chapter Notes -Afterimage, Rhodopsin, Saccade

• School: Queen's University
• Department: Psychology
• Course: PSYC 100
• Professor: Ingrid Johnsrude

Document Summary

Bipolar cell layer (middle: receives information from photoreceptors and passes it on to the ganglion cells, then axons proceed through the optic nerves to the brain. Photoreceptor: photon strikes photo pigment, photo pigment splits, chemical reactions produce message. Bipolar cell: message is sent to bipolar cell. Ganglion cell: message is transmitted to ganglion cell, then sent to the brain. Photo pigment a complex molecule found in photoreceptors, when struck by light it splits and stimulates the membrane of the photoreceptor. Dark adaptation the process by which the eye becomes capable of distinguishing dimly illuminated objects after going from a bright area to a dark one. The disappearance of stabilized images suggest that elements of the visual system are not responsive to an unchanging stimulus. Vergence movements: cooperative movement of the eyes, ensures that the image of an object falls on identical portions of both retinas.