Card Set Information
What type of muscle is responsible for the movement of your body through the environment?
You have precise control over the movement of your fingers, probably because:
they have few muscle fibers per motor neuron.
What is the name given to the synapse where a motor neuron's axon meets a muscle fiber?
Which would be especially important when running up a flight of stairs at full speed?
A proprioceptor is sensitive to the:
position and movement of a part of the body.
A sudden stretch of a muscle excites a feedback system that opposes the stretch. This message starts in the:
Which type of proprioceptor responds to increases in muscle tension?
Golgi tendon organ
Very brief electrical stimulation of the motor cortex results in:
The premotor cortex:
is active during preparations for a movement and less active during movement itself.
People with damage to the parietal cortex appear to lack ________ related to voluntary movements.
feelings of intention
Axons of the dorsolateral tract extend to what area?
The symptoms of cerebellar damage resemble those of:
The cerebellum appears to be critical for:
certain aspects of attention.
The structure composed of the caudate nucleus, putamen, and globus pallidus is the:
What is one of the main symptoms of Parkinson's disease?
Difficulty initiating movements.
The immediate cause of Parkinson's disease is the:
gradual, progressive death of neurons in the substantia nigra.
Although several genes have been found to be more common among people with Parkinson's disease, these genes are:
small contributors to the incidence of late-onset Parkinson's disease.
Although Parkinson's disease is usually limited to old people, it has occurred in a small number of young people that:
used a designer drug.
L-dopa is most effective:
in the early to intermediate stages of Parkinson's disease.
Which parts of the brain deteriorate most strongly in Huntington's disease?
the caudate nucleus, putamen, and globus pallidus