Limbic System ppt 23

Question 1

What is the limbic system involved in?

Answer 1

emotion, memory, attention, feeding, and mating behaviors.

Question 2

What is the limbic system comprised of?

Answer 2

Parahippocampal Gyus
Cingulate Gyrus
Subcallosal Gyrus
Cingulum
Hippocampus
Amygdala
Septal Nuclei

Question 3

Paper Circuit- MTCH

Answer 3

Mamilary Bodies
Thalamus
Cingulate Cortex
Hippocampus

Question 4

Function of the parahippocampus gyrus

Answer 4

Spatial memory

Question 5

Function of the cingulate

Answer 5

HR bp attention and emotional processing

Question 6

Function of Hippocampus

Answer 6

Longterm Memory

Question 7

Function of the Amygdala

Answer 7

Anxiety
Agression
Fear Conditioning
Emotional Memory
Social cognition

Question 8

Function of Mammilary body

Answer 8

Memory

Question 9

Function of the Nucleus accumbens

Answer 9

Reward
ADDDICTION
dopa

Question 10

Where is avoidance processed?

Answer 10

lateral posterior hypothalamus,
dorsal midbrain
entorhinal cortex

Leave, Postpone hypothalamus
Dont Move
Evoid

Question 11

What is motivation

Answer 11

and internal signal the shapes voluntary behavior

Question 12

Where is fear processed?

Answer 12

Hypothalamus and Amygdala

Question 13

Where is anxiety processed?

Answer 13

Frontal part of temporal lobe. (T)remble

α2-GABAA receptors
Benzodiazepine act by increasing chloride

Question 14

What is rage?

Answer 14

person looses temper in response to a minor stimulus.

Ventralmedial hypothalamus

Question 15

Placidity

Answer 15

meh. amygdaloid

bilateral- permentant placidity

Question 16

Aggression

Answer 16

Violent rage

Fight or flight response, rage & aggression are fighting behaviors that can be elicited by stimulation of hypothalamic & amygdala nuclei.

Question 17

Male Sexual Activity

Answer 17

Lesion of neocortex inhibits sexual behavior.

Bilateral lesion of limbic system & destruction of amygdala- hypersexuality

Question 18

Female Sexual Activity

Answer 18

Lesion of anterior hypothalamus abolishes sexual activity in animals.

Question 19

What is Kluver Busy Syndrome?

Answer 19

Decreased aggression, visual agnosia. INCREASED SEXUALITY
hyperPhagia& hyperOrality.
Hypermetamorphosis

Question 20

Causes of Kluver Bucy in humans

Answer 20

Bilateral surgical removal of temporal lobes
Cerebral atrophies
Meningoencephalitis due to toxoplasmosis, herpes simplex or AIDS.

Question 21

Damage to the Hippo or Amygdala cause by

Answer 21

rarely occurs through vascular accidents.

likely cause: Trauma and infectious or toxic deficits or dysfunction involving limbic system structures.

Question 22

Lesion of hippo and amygdala

Answer 22

deficits in short-term memory

Changes in emotionality, including feelings of fear, anxiety, aggression, and rage

Seizures