Exam 7: The Motor System

Complex cognition and planning is directed mostly by which part of the frontal lobes?

On the motor and sensory homunculus, the corresponding areas of the body are not in proportion with their actual size.

Movement is vital to:

Golgi tendon organs in the muscles detect:

Once acetylcholine is released, it is broken down by this substance:

A spinal reflex occurs when there is a sudden contraction in a muscle.

Perceiving social stimuli, such as eye and body movements, is done mostly in these regions:

Multitasking with the motor system is very difficult because the motor system is arranged __________.

Patients with lesions of the lateral prefrontal cortex often have difficulty with _____________ in behavioral experiments.

When it is hypothesized that the cerebellum may perform forward modeling, it is meant that the cerebellum may predict the location of a moving target in a near-future time, and move the body accordingly.

If an individual is displaying a resting tremor, slow movements, and cognitive decline, they may be suffering from which disease of the Basal ganglia?

Tactile feedback is important when an individual is attempting to:

Upper motor neurons send signals to only one muscle.

Research shows that long-term goal setting and decision making are done, at least in part, in the frontopolar cortex.

The stronger a muscle, the _____ the area of a cross-section of fibers

Along with an anterior to posterior hierarchy of control, there is also a _____ hierarchy in the prefrontal cortex.

Extensors are muscles that extend a joint, whereas flexors _______ a joint.

If damage occurred to the tectospinal tract, cutting off input from the tectum, what functions would be effected?

Gamma motor neurons maintain ____ in the muscles.

Akinetic mutism refers to: