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