PSB 4240 Exam 2

PSB 4240 Exam 2
The property that sets sensory receptors apart from other cells is their ability to _____.
convert energy into nerve impulses
The ability to discriminate individual stimuli is highest from surfaces with:
small, closely spaced receptive fields
Groups of intervening synapses between a sensory receptor and sensory cortex are
known as:
neural relays
The common output of sensory transduction in all sensory systems is:
an action potential
Each sensory system employs multiple cortical regions, each consisting of _____ of the
sensory world.
multiple specialized maps
The axons of the _____ form the optic nerve.
retinal ganglion cells
The output fibers forming the optic nerve from the retina are axons of:
retinal ganglion cells
Where would an investigator most likely find neurons that are most capable of dealing
with information from the whole binocular visual field?
the visual cortex
In the lateral geniculate nucleus (LGN), layers _____ receive input from the
contralateral eye.
1,4 and 6
The axon terminal from LGN neurons project primarily to layer(s) _____ of area 17.
IV
The eardrum marks the boundary between the:
outer and middle ear
The appreciation of _____ is MOST closely related to the frequency of the sound
stimulus.
pitch

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