Cortical Activity of Depressed Patients Most Consistently Shows

question 184

Multiple Choice

Cortical activity of depressed patients most consistently shows:

• A)Increased activity in the ventral prefrontal cortex
• B)Decreased activity in the caudate nucleus
• C)Decreased activity in the dorsal prefrontal cortex
• D)All of the above

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Definitions:

Depolarizes

The process by which the electrical charge of a neuron's membrane decreases, moving towards zero or becoming less negative.

Hyperpolarizes

Refers to an increase in the membrane potential of a cell, making the interior more negatively charged relative to the outside and reducing the likelihood of generating an action potential.

Absolute Refractory Period

A period immediately following the transmission of an impulse in nerve or muscle in which it cannot respond to another stimulus, ensuring the unidirectional flow of impulses.

Cardiac Muscle Cells

Specialized muscle cells found in the heart that have the ability to contract automatically and rhythmically, contributing to heart contraction.