Sensation Pt. 2 Vocab Terms Flashcards
(26 cards)
blind spot
point at which the optic nerve leaves the eye
optic nerve
nerve that carries neural impulses
fovea
central focal point in the retina
feature detectors
nerve cells in the brain that respond to specific features of the stimulus
parallel processing
processing of several aspects of problem simultaneously
Young-Helmholtz trichromatic theory
retina contains three different color receptors
opponent process theory
opposing retinal processes enable color vision
color constancy
familiar objects as having consistent color
audition
sense or act of hearing
frequency
number of complete wavelengths
pitch
tone’s experienced highness or lowness
middle ear
chamber between eardrum and cochlea
cochlea
coiled, bony, fluid-filled tube
inner ear
innermost part of the ear
place theory
links the pitch we hear with the place where the cochlea’s membrane is stimulated
frequency theory
rate of nerve impulses traveling up the auditory nerve
conduction hearing loss
hearing loss caused by damage to the mechanical system
sensorineural hearing loss
hearing loss caused by damage to the cochlea’s receptor
cochlear implant
device for converting sounds into electrical signals
gate-control theory
spinal cord contains a neurological “gate” that blocks pain signals
sensory interaction
one sense may influence another
kinethesis
system for sending the position and movement of individual body parts
vestibular sense
sense of body movement and position
tactile sense
sense of touch
