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 _______________