Neuroscience Quiz 4
Each receptor responds to a wide range of stimuli and contributes to the perception of each of them. This type of coding is referred to as ____.
across-fiber
Most of the axons of the medial tract go to which side of the body?
bilateral
What type of muscle controls movements of the heart?
cardiac
Damage to the primary auditory cortex results in ____.
difficulty in responding to sequences of sounds
What is one of the main symptoms of Parkinson's disease?
difficulty initiating movements
Perception of a low tone is to ____ as perception of a high tone is to ____.
frequency theory; place theory
The prefrontal cortex ____.
is active during preparations for a movement and less active during movement itself
The stretch reflex ____.
is caused by a stretch
Morphine and other opiate drugs decrease sensitivity to pain by ____.
mimicking the effects of endorphins at the synapses
The eye muscles have a ratio of about ____ axon(s) per ____ muscle fiber(s).
one; three
The tympanic membrane connects to three tiny bones that transmit the vibrations to the ____.
oval window
Somatosensory information travels from the thalamus to which area of the cortex?
parietal lobe
A ballistic movement ____.
proceeds automatically once it has been triggered
What kind of receptors detect pain, warmth, and cold?
somatosensory
Just thinking about the intention to put your arm around your attractive date would activate which motor areas?
supplementary motor cortex
A person who "sees" spoken language or music may be experiencing ____.
synesthesia
L-Dopa, a common treatment for Parkinson's disease, is a drug that ____.
increases the brain's production of dopamine
Humans localize low frequencies by ____ differences and high frequencies by ____ differences.
phase; loudness
The cerebellum is most important for any process that requires ____.
precise timing
If you are a supertaster, then ____.
you are more sensitive than the average person to nearly all tastes