Crash Course #5 – Sensation and Perception

What is prosopagnosia?

Brain function is _____________________________________.

Sensation: the bottom up _________________________ by which our senses, like vision,

hearing and smell, __________________________ and relay outside _______________.

Perception: the top-down way our brains _________________________ and

_____________________ that information and put it into context.

Absolute Threshold of Sensation: the minimum ___________________________ needed to

register a particular stimulus ____________________% of the time.

Signal Detection Theory: a _________________________ for predicting how and when a

person will detect ________________________ stimuli, partly based on _____________________.

What is sensory adaptation?

Difference Threshold:

Write out Weber’s Law in your own words:

Vision

Wavelength and Frequency determines ___________________________

Amplitude determines ___________________________________

Light first comes in through the ________________________ and pupil

The lens projects images onto the ________________________________.

Rods detect _________________________ scale

Cones detect fine detail and ________________________

The average person can distinguish over __________________________ hues

Two Color Theories

o Young-Helmholtz Trichromatic Theory:

o Opponent Process Theory:

Optic Nerve ---- thalamus ---- _____________________________ cortex

Visual Parallel Processing:

o Color

o Motion

o _______________

o _______________