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CDIS 421: Neuroscience Fundamentals for Communication Sciences and Disorders (Answered) 161 Questions and Correct Answers, 100% Correct. Latest 2024/2025. $12.99   Add to cart

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CDIS 421: Neuroscience Fundamentals for Communication Sciences and Disorders (Answered) 161 Questions and Correct Answers, 100% Correct. Latest 2024/2025.

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CDIS 421: Neuroscience Fundamentals for Communication Sciences and Disorders (Answered) 161 Questions and Correct Answers, 100% Correct. Latest 2024/2025.

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  • October 15, 2024
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CDIS 421: Neuroscience Fundamentals for
Communication Sciences and Disorders
(Answered) 161 Questions and Correct
Answers, 100% Correct. Latest 2024/2025.
sagittal plane

a vertical plane that divides the body into right and left parts




horizontal plane

a flat crosswise plane, such as the horizon




2 parts of the nervous system

central and peripheral

CNS is comprised of

brain and spinal cord

coronal plane

front and back




Dorsal

toward the back (includes posterior spinal cord, superior cerebrum)

Ventral

Toward the belly (includes inferior cerebrum, anterior spinal cord)

, Caudal

toward the tail (includes posterior cerebrum, inferior spinal cord)

Rostral

toward the forehead or nose (includes superior spinal cord, anterior cerebrum)

2 types of cells in the nervous system

neurons and glial cells

Neuron

a cell of the nervous system; made for signaling and communication

Dendrites &/ cell body/soma

where neurons receive signals

Axon

transmits information to other neurons, muscles, or glands

Reflex

an involuntary response to a stimulus (minimally includes sensory/afferent neuron and a
motor/efferent neuron)

Myelin

a fatty substance that helps insulate neurons (specifically axons) and speeds the transmission of
nerve impulses: white appearance

Microglia

consume harmful substances

Astrocytes

form blood brain barrier

Oligodendroglia

glial cells in the CNS that myelinate axons

Schwann cells

glial cells in the PNS that myelinate axons

-70mV to -65mV

voltage of resting membrane potential

+50mV

voltage of action potential

axon hillock

where action potentials are initiated

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