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BioPsychology > 3.4-3.6 > Flashcards

3.4-3.6 Flashcards

1
Q

White matter is composed of

A

Myelinated axons

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2
Q

Are dorsal root afferent or efferent

A

Afferent(sensory)

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3
Q

What type of neuron are dorsal root axons

A

Unipolar neurons

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4
Q

Dorsal root axons synapse with

A

Dorsal horns of spinal cord

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5
Q

Ventral root axons efferent or afferent

A

Efferent(motor)

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6
Q

Gray matter is composed of

A

Cell bodies and unmyelinated axons

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7
Q

What type of neuron is the ventral root axon

A

Multipolar

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8
Q

What do ventral root axons synapse with

A

Autonomic- Internal Organs

Somatic- Skeletal Muscle

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9
Q

What is the purpose of the myelencephalon(medulla)

A

Reticular formation: Arousal+Sleep

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10
Q

What is the purpose of the metencephalon

A

Reticular formation, pons, cerebellum, sensorimotor

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11
Q

What is the purpose of mesencephalon

A

Tectum: superior collicull-visual motor + inferior collicull

Tegmentum: division of mesencephalon ventral to the tectum

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12
Q

What is the purpose of the diencephalon

A

Has the thalamus which is 2 lobes located at the top of the brain stem. The hypothalamus is located below the anterior thalamus

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13
Q

Nuclei of the thalamus that processes visual information

A

Lateral geniculate nuclei

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14
Q

Nuclei of the thalamus that processes auditory information

A

Medial geniculate nuclei

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15
Q

Nuclei of the thalamus that processes the somatosensory information

A

Ventral posterior nuclei

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16
Q

What are fissures

A

Large furrows in a convoluted cortex

17
Q

What is a gyri

A

Ridges between fissures

18
Q

What are commissures

A

Connects cerebral hemispheres by a few tracts spanning longitudinal fissure

19
Q

What is the function of the frontal lobe

A

Motor function + complex cognitive functions (evaluating patterns of behavior and assessing significance of the behavior of others)

20
Q

What is the function of the temporal lobe

A

Hearing + language, complex visual patterns and memory

21
Q

What is the function of the parietal lobe

A

Analyzes sensations from the body and precise information location of both objects and our own bodies+directing attention

22
Q

What is the function of the occipital lobe

A

Visual

23
Q

Which structures compose the basal ganglia

A

Amygdala, striatum, and globus pallidus

24
Q

Which structures compose the limbic system

A

Amygdala, fornix, cingulate cortex, septum, hippocampus, and mammillary body

BioPsychology (25 decks)

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