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Brain anatomy part 3

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Questions and Answers

What is the primary motor projection area responsible for?

Muscle movement

What is contralateral control?

Pattern where the left brain controls the right body and vice versa

What does the primary sensory projection area receive?

Information from the eyes, ears, and other sense organs

What is the association cortex responsible for?

Outside the motor and sensory projection areas Signup and view all the answers

What is apraxia?

Disturbance in initiating or organizing voluntary action Signup and view all the answers

What is agnosia?

Disturbance in identifying familiar objects Signup and view all the answers

What is the main function of glial cells in the nervous system?

Support neurons, repair neural connections, provide electrical insulation Signup and view all the answers

Define the threshold in the context of a neuron's activity.

Activity level at which a cell or detector responds or fires Signup and view all the answers

Describe the role of the dendrites in a neuron.

Detects incoming signals Signup and view all the answers

Explain the function of the myelin sheath around axons.

Provides insulation, increases speed of neurotransmission Signup and view all the answers

What is the synapse and what occurs there?

Area between neurons where neurotransmitter is released Signup and view all the answers

What is the action potential and its significance?

Brief change in electrical potential of an axon, basis of signal transmission Signup and view all the answers