PSYCH101 Chapter Notes - Chapter 4: Rela, Binocular Disparity, Proprioception

• School: University of Waterloo
• Department: Psychology
• Course: PSYCH101
• Professor: Richard Ennis

Document Summary

4. 1sensation and perception at a glance sensation, the process of detecting external events by sense organs and turning those stimuli into neural signals. Perception involves attending to, organizing, and interpreting stimuli that we sense. sensory adaptation, the reduction of activity in sensory receptors with repeated exposure to a stimulus. Signal detection theory states that whether a stimulus is perceived depends on both sensory experience and judgment made by the subject. Gestalt psychology is an approach to perception that emphasizes that the whole is greater than the sum of its parts. Rods are photoreceptors that occupy peripheral regions of the retina; they are highly sensitive under low light level ones are photoreceptors that are sensitive to the different wavelengths of light that we perceive as colour. Cones tend to be clustered around the fovea, the central region of the retina.