Lecture 15- Diencephalon

Question 1

function of the thalamus

Answer 1

filters and regulates flow of info for the cerebral cortex.
Information relay station

Question 2

relay nuclei in thalamus

Answer 2

convey info to cerebral cortex

Question 3

association nuclei in thalamus

Answer 3

emotional and memory info; integrates sensations

Question 4

non-specific nuclei in thalamus

Answer 4

consciousness, arousal, and attention

Question 5

ventral anterior function

Answer 5

motor

Question 6

ventral lateral function

Answer 6

motor

Question 7

ventral posterolateral function

Answer 7

somatic sensation from body

Question 8

ventralposteromedial function

Answer 8

somatic sensation from the face

Question 9

medial geniculate function

Answer 9

hearing

Question 10

lateral geniculate function

Answer 10

vision

Question 11

medial group function

Answer 11

emotions

Question 12

anterior function

Answer 12

memory

Question 13

lateral dorsal function

Answer 13

memory

Question 14

midline function

Answer 14

memory

Question 15

lateral posterior function

Answer 15

sensory integration

Question 16

pulvinar function

Answer 16

sensory integration

Question 17

intralaminar function

Answer 17

arousal and attention

Question 18

reticular function

Answer 18

adjusts thalamic nuclei

Question 19

what is most affected in thalamic lesions

Answer 19

proprioception

Question 20

lateropulsion

Answer 20

Lesion of posterior thalamus or vestibular nuclei

Question 21

what happens with a lesion of the posterior thalamus

Answer 21

spatial inattention to postural alignment

Question 22

hypothalamus fuction

Answer 22

integrates behaviors and visceral functions. maintains homeostasis

Question 23

thyrotropin releasing hormone

Answer 23

increases secretion of thyroid

Question 24

somatostatin

Answer 24

inhibits growth

Question 25

corticotropin releasing hormone

Answer 25

increases glucocorticoid secretion from adrenal cortex

Question 26

gonadotropin releasing hormone

Answer 26

ovulation and progesterone production, testosterone synthesis, follicle maturation and estrogen secretion, sperm production

Question 27

prolactin releasing hormone

Answer 27

milk production

Question 28

prolactin inhibiting hormone

Answer 28

inhibits secretion of prolactin

Question 29

vasopressin

Answer 29

antidiuretic hormone
maintains osmality and volume of extracellular fluid

Question 30

oxytocin

Answer 30

stimulates smooth muscle in uterus and elicits milk expulsion

Question 31

what do pituitary tumors cause

Answer 31

headaches, nausea and vomiting, irregular menses and lactation, sexual dysfunction, high BP, high BG, acromegaly, Cushing’s disease, double vision, hemianopia

Question 32

epithalamus function

Answer 32

regulates circadian rhythms
-Influences secretions of pituitary, adrenals, parathyroids, and islets of Langerhans

Question 33

subthalamus

Answer 33

regulates movement
facilitates basil ganglia output