In the Classic Experiments of Lawrence and Kuypers,the Descending Motor

question 18

Multiple Choice

In the classic experiments of Lawrence and Kuypers,the descending motor tracts of monkeys were transected.The results of these experiments suggest that the function of the ventromedial pathways is the control of

• A) posture.
• B) movements of the body core and associated arm movements.
• C) reaching for objects.
• D) all of the above
• E) both A and B

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Definitions:

Excitatory Synapses

Connections between neurons that increase the likelihood of the receiving neuron to fire an action potential.

Inhibitory Synapses

Connections between neurons that decrease the likelihood of the receiving neuron firing, playing a key role in the modulation of neural circuits.

Neuron

A specific type of cell responsible for conveying nerve signals; also known as a neuron.

Message

An element of communication where information is sent from a sender to a recipient through various means.