Figure 15-2 the Corticospinal Pathway

question 116

Multiple Choice

Figure 15-2 The Corticospinal Pathway


Use Figure 15-2 to answer the following questions:
-Identify the origin of the axon labeled "2."

• A) lower motor neuron
• B) upper motor neuron
• C) decussation neuron
• D) second-order neuron
• E) ganglionic neuron

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Definitions:

Auditory Discriminations

The ability to notice, compare, and distinguish between different sounds, integral to language development and communication.

Absolute Threshold

The minimum intensity of a stimulus that one can perceive, below which it is not detected at all.

Energy

The capacity to do work or produce change, existing in forms such as chemical, mechanical, thermal, electrical, and nuclear.

Original Stimulus

The initial stimulus or environmental cue that elicits a natural, unlearned response in classical conditioning before any conditioning takes place.