Psyc 100- Exam 2

Week 6-10

Sensation

Detecting physical energy with our sense organs (eyes,

ears, skin, nose, tongue)

Perception

the brain’s interpretation of the raw sensory information

Illusion

The way we perceive a stimulus doesn’t match its physical

reality. Tell us that perception involves some processing of information

Transduction

conversion of an external stimulus into a neural signal through specialized cells (sensory receptors)

Physical stimulus→ Transduction by receptors → Signal carried to brain → Routed through the thalamus → Arrives at location in cortex

Sensory Receptors

specialized cells designed to convert a certain kind of

external information (energy) into a neural signal

Sensory Adaption

Sensory neurons adjust their sensitivity based

on recent stimulus history

Aftereffects

opposing sensory or perceptual distortions that occur after adaptation.

For sound, what psychological sensation corresponds to thewavelength of a sound wave?

Pitch

For light, what psychological sensation corresponds to the wavelength of a light wave?

Color