Exam 8: The Sensorimotor System

Which kinds of movements are not influenced by sensory feedback?

Discuss the two effects of damage to the posterior parietal cortex.

The area of association cortex that is thought to integrate the spatial information that is required to initiate an accurate movement is the __________ cortex.

The __________ constitutes about 10% of the brains total mass but includes over half its neurons.

Which of the following receives information from various parts of the cortex and feeds it back to motor cortex?

In general the various areas of secondary motor cortex are thought to

The axons of Betz cells are part of the

Which of the following brain stem structures receives direct sensory information about balance?

The supplementary motor area and the premotor cortex are in the

Only primates and a few other species, such as hamsters and raccoons, have cortical neurons that synapse directly on

If given the correct sensory feedback, the cat spinal cord is capable of controlling

The motor units of the thumb, fingers, and face contain the

-The patellar tendon reflex is a

In contrast to the ventromedial corticospinal tract, before descending to the spinal cord, the ventromedial cortico-brainstem-spinal tract interacts with the

Which structure is part of a loop including the cortex and the basal ganglia?

In the primary motor cortex, the neurons that participate in the movement of a particular finger are

The fact that the same basic movement can be carried out in different ways involving different muscles is called

With respect to sensorimotor learning, the advantage of transferring control to lower circuits of the neural hierarchy is that it

Muscle spindles are receptors that respond to changes in muscle __________.