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Behavioral Neuroscience > Chapter 3 > Flashcards

Chapter 3 Flashcards

1
Q

Neuraxis

A

The axis of the central nervous system

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2
Q

Unilateral

A

“One side” ex: left leg only

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3
Q

Bilateral

A

“Two sides” ex: boths legs

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4
Q

Ipsilateral

A

“Same side of body” ex: left arm and left leg only

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5
Q

Contralateral

A

“Opposite side of body” ex: left arm and right leg only

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6
Q

Axial (transverse)

A

View from top-down, “birds eye”

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7
Q

Sagittal

A

View from the side “looking at ear”

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8
Q

Coronal

A

View from front or back “looking at face/back of head”

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9
Q

Dorsal

A

Ascending, afferent, somatosensory

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10
Q

Ventral

A

Descending, efferent, motor

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11
Q

The cell body of motor neurons are located where?

A

The grey matter of the spinal cord- they then attach to the ventral root

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12
Q

Where does the soma of sensory neurons reside?

A

The dorsal root ganglion

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13
Q

What does the somatic division of the peripheral nervous system consist of?

A

31 pairs of spinal nerves and 12 pairs of cranial nerves

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14
Q

What does the autonomic nervous system do?

A

Regulates automatic behaviors of smooth and cardiac muscles and glands

involuntary; ie digestion

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15
Q

What are the two branches of the autonomic nervous system?

A

Sympathetic branch and parasympathetic branch

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16
Q

What is the parasympathetic nervous system responsible for?

A

Involved in behaviors that store energy, such as resting and digestion

17
Q

What is the sympathetic nervous system responsible for?

A

Involved with behaviors that use energy, such as stress (fight or flight), increasing blood flow to the brain or secreting adrenaline (sweating or goosebumps)

18
Q

Where does the cerebrospinal fluid (CSF) remain?

A

Subarachnoid space

19
Q

About how much does a brain weigh?

A

Around 3 lbs

20
Q

If blood flow to the brain was cut off for 6 seconds what could happen?

A

Brain damage

21
Q

What is the cerebrospinal fluid (CSF)?

A

Colorless fluid that flows through the empty spaces in our brains (ventricles)

22
Q

What does CSF do?

A

Flushes out waste products in the brain

23
Q
A

Behavioral Neuroscience (3 decks)

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