Sensory And Motor Systems Flashcards
(28 cards)
wavelength is proportional to?
Color
intensity is proportional to?
brightness
what focuses incoming light?
lens
what is binocular disparity?
the difference in position of same image on two retinas
What 5 types of neurons does the retina have?
- neutal ganglion cells
- amacrine cells
- bipolar cells
- horizontal cells
- receptors (cones then rods)
What kind of vision are cones associated with?
phototropic vision (fine detail; lots of light)
what kind of vision are rods associated with?
Scopic vision ( lacks detail; minimal light)
What is the purkinjie effect?
going from phototropic vision to scopic vision
What is an example of a fixational eye movement?
tremor, drifts, and saccades
What does the retina- geniculate-striate pathway do?
conduct signals from each retina to the primary visual cortex via the lateral geniculate nuclei.
What do the magnocellular layers do?
the large cell bodies aid in movement
What do the parvocellular layers do?
small bodied cells aid in colour and fine detail
What layer are cones in?
P layers
What layer are rods in?
M layer
Akinetopsia?
a deficiency in the ability to see movement progress.
Propsopagnosia?
The inability to recognize faces
What is the 1ry sensory cortex?
area of sensory cortex that receives input from the thalamic relay nuclei system.
What is the association cortex?
area of cortex that receives input from more than one sensory system
functional segregation?
organization of sensory systems.
Amplitude
loudness
frequency
pitch
complexity
timbre
Rentiotopic is in the ______ system.
Visual
Tonotopic is in the _______ system.
auditory.
