Intro Flashcards

1
Q

Define contralateral.

A

belonging to or occurring on the opposite side of the body

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2
Q

Responsible for human movement, coordination, motor control and sensory perception.

A

cerebellum

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3
Q

Define cortex.

A
  • outer layer of the cerebrum
  • 2 cortices and 2 hemispheres
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4
Q

Define cerebellum.

A

responsible for human movement, coordination, motor control and sensory perception

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5
Q

The ____ lobe controls more abstract aspects of our thinking and personality.

A

frontal

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6
Q

This is the place where 2 things are joined.

A

commissure

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7
Q
  • Situated between the cerebral cortex and the midbrain
  • surrounds the 3rd ventricle
  • relays sensory and motor signals to the cerebral cortex
  • regulates consciousness, sleep, and alertness
A

thalamus

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8
Q

Define thalamus.

A
  • situated between the cerebral cortex and the midbrain
  • surrounds the 3rd ventricle
  • relays sensory and motor signals to the cerebral cortex
  • regulates consciousness, sleep, and alertness
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9
Q

This is the outer layer of the cerebrum; 2 cortices and 2 hemispheres.

A

cortex

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10
Q

Belonging to or occurring on the same side of the body

A

ipsilateral

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11
Q

Define White Matter.

A

myelinated nerve fibers

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12
Q

Define homunculus.

A

a map of the representation of the body on the motor cortex that looks like a distorted human

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13
Q

Define synapse.

A

a structure that permits a neuron (or nerve cell) to pass an electrical or chemical signal to another neuron

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14
Q

These axons carry information toward the cell body.

A

afferent

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15
Q

What makes up the thalamus?

A

clusters of cell bodies called nuceli

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16
Q

This is the point-for-point correspondence of an area of the body to a specific point on the central nervous system.

A

somatotopy

17
Q

This is the ability of synapses to strengthen or weaken over time, in response to increases or decreases in their activity.

A

synaptic plasticity

18
Q

Define ipsilateral.

A

belonging to or occurring on the same side of the body

19
Q

This is a map of the representation of the body on the motor cortex that looks like a distorted human.

A

a homunculus

20
Q

Belonging to or occurring on the opposite side of the body.

A

contralateral

21
Q

These are fibers (axon) carrying impulses away from the cell body.

22
Q

The frontal lobe controls more abstract aspects of our ____ and _____.

A

thinking and personality

23
Q

Define somatotopy.

A

the point-for-point correspondence of an area of the body to a specific point on the central nervous system

24
Q

Define Synaptic Plasticity.

A

the ability of synapses to strengthen or weaken over time, in response to increases or decreases in their activity

25
This is a structure that permits a neuron (or nerve cell) to pass an electrical or chemical signal to another neuron.
a synapse
26
This is another name for "a crossing."
decussation
27
Define efferent.
fibers (axon) carrying impulses away from the cell body
28
Define afferent.
carrying information toward the cell body
29
Define commissure.
the place where 2 things are joined
30
Define decussation.
a crossing
31
Gray matter contains \_\_\_\_\_.
cell bodies
32
Define Grey Matter.
cell bodies w/o much myelination on the axons