1.3 Sensation Flashcards
Transduction
Transfer of genetic material and the process by cells respond to substances outside of them
Absolute threshold
The smallest amount of energy needed to detect Sound, taste, vision, touch, smell
Just noticeable difference
The smallest detectable changes in stimuli
Fovea
Central area of retina for sharp central vision
Blind spot
An area on the retina where vision is absent
Accommodations
The ability of eyes being able to adjust focus
Trichromatic Theory
A theory that humans perceive color by red green and blue
Opponent process theory
A model that explains how the human Mind perceives color
After images
A visual illusion, where the retina impressions and image After it’s gone
Pitch perception
The subjective experience of a sound rise and fall frequency
Frequency theory
Theory that the brain perceives pitch by matching frequency of nerve impulses
Semicircular canals
Tubes in your ear with fluid that help you balance by detection head rotation
Most common form of color blindness
Dichromatism only seeing in certain colors
