Final Exam Random

Question 1

Make up the neostriatum:

Answer 1

Caudate Nucleus

Putamen Nucleus

Question 2

Make up the Corpus striatum:

Answer 2

Caudate nucleus
Putamen nucleus
Globus pallidus or paleostriatum

Question 3

Make up the Basal Ganglia:

Answer 3

Caudate Nucleus
Putamen nucleus
Globus pallidus
Amygdaloid complex or archistriatum

Question 4

Putamen & globus pallidus together are called the:

Answer 4

Lenticular (lentiform) nucleus

Question 5

Striatal lesions normally lead to:

Answer 5

Dyskinesia (muscle tone disturbances)

Question 6

Results in a brisk series of graceful involuntary movements of extremities, facial muscles, tongue

Answer 6

Huntington’s Chorea

Question 7

The corpus striatum begins to deteriorate. Its seems to be a genetic deficiency of GABA

Answer 7

Huntington’s chorea

Question 8

Violent movement, occurring from lesions to the globus pallidus

Answer 8

Ballism or hemiballism

Question 9

• Parts include a head, body, tail

- Has both afferent & efferent fibers

Answer 9

Caudate Nucleus

Question 10

AFFERENT (of the Caudate) fibers synapse in the:

Answer 10

ALL lobes of the cortex, the thalamus, substantia nigra, & putamen

Question 11

EFFERENT (of the caudate & putamen nuclei) output fibers extend to the:

Answer 11

Putamen, globus pallidus, substantia nigra & the thalamus

Question 12

• Most lateral of the corpus striatal nuclei

- Contains Afferent & efferent fibers also

Answer 12

Putamen nucleus

Question 13

AFFERENT fibers (of the putamen) synapse in the:

Answer 13

• ALL lobes of the cortex, the thalamus, substantia nigra, & putamen
• Find an abundance of “dopamine”

Question 14

• Part of the lenticular nucleus along w/ putamen
• A medial medullary lamina separates it into medial & lateral segments
• Also contains Afferent & Efferent fibers

Answer 14

Globus Pallidus

Question 15

AFFERENT fibers (often called pallidal fibers) from the globus pallidus includes axons from the:

Answer 15

Caudate nucleus
Putamen Nucleus
Subthalamic nucleus

Question 16

EFFERNT fiber of the globus pallidus (often called pallidalfugal fibers)

Answer 16

They represent the primary efferent outflow from the corpus striatum. Most go to the anterior aspect of the thalamus

Question 17

Amygdala plays a role with?

Answer 17

Memory of emotional reactions

Question 18

What is the name given to the collective white matter of the telencephalon?

Answer 18

Centrum Semiovale

Question 19

Fiber types in the white matter:

Answer 19

Projection axons
Commissural axons
Association axon bundles

Question 20

• Afferent & efferent fibers

- Most travel in the corona radiate & internal capsule

Answer 20

Projection axons

Question 21

Apart of the commissural axons

Answer 21

Corpus callosum

Question 22

• Only found in placental mammals

- Parts include splenium, body, genu, rostrum, forceps anticus, forceps posticus & tapetum

Answer 22

Corpus callosum

Question 23

Lesions & surgery on the corpus callosum can lead to:

Answer 23

Alien hand syndrome - you have no control over your non dominate hand

Question 24

• Most abundant part of the white matter

- Contains both Short & long fibers

Answer 24

Association axon bundles

Question 25

Connect adjacent or near gyri - just inward from the gray cortex

Answer 25

Short fibers from the association axon bundles

Question 26

Connect distal parts of the same hemisphere

Answer 26

Long fibers of the association axon bundles