Limbic

Question 1

What is the primary function of the limbic system?

Answer 1

Processing emotions, motivation, and memory.

Question 2

Which part of the brain controls the autonomic nervous system (ANS)?

Answer 2

The hypothalamus.

Question 3

What is the Papez circuit responsible for?

Answer 3

The expression of emotions.

Question 4

Name two structures that are part of the limbic system.

Answer 4

• Amygdala
• Hippocampus

Question 5

What does the central nucleus of the amygdala control?

Answer 5

Behavioral and physiological responses to emotional stimuli.

Question 6

What does the lateral nucleus of the amygdala learn?

Answer 6

To associate stimuli with emotional significance.

Question 7

What syndrome results from bilateral damage to the amygdala?

Answer 7

Klüver-Bucy Syndrome.

Question 8

What are two key components of the hippocampal formation?

Answer 8

• Dentate gyrus
• CA fields

Question 9

What is the role of the entorhinal cortex?

Answer 9

Relaying sensory information to the hippocampus.

Question 10

What is declarative memory?

Answer 10

Conscious recollection of facts and experiences.

Question 11

What is the role of the fornix in the hippocampal formation?

Answer 11

Connecting the hippocampus to the mammillary bodies.

Question 12

What memory-related syndrome is caused by chronic alcohol abuse?

Answer 12

Korsakoff’s Syndrome.

Question 13

What neurotransmitter is involved in the formation of flashbulb memories?

Answer 13

Noradrenaline.

Question 14

What was the outcome of removing the hippocampal formation in Patient HM?

Answer 14

Anterograde amnesia (inability to form new memories).

Question 15

What is the difference between declarative and non-declarative memory?

Answer 15

Declarative memory involves conscious recall; non-declarative does not.

Question 16

What is an example of episodic memory?

Answer 16

Remembering what you had for dinner last night.

Question 17

What is an example of semantic memory?

Answer 17

Knowing who the President of the USA is.

Question 18

Which brain structure is responsible for the physiological manifestation of emotions?

Answer 18

The hypothalamus.

Question 19

What is the main output channel of the amygdala?

Answer 19

The central nucleus.

Question 20

How does the hippocampus aid in memory consolidation?

Answer 20

It temporarily stores information and helps transfer it to long-term memory.

Question 21

What is the main symptom of Korsakoff’s Syndrome?

Answer 21

Anterograde amnesia.

Question 22

Which brain structure processes fear and aggression?

Answer 22

The amygdala.

Question 23

What is the hippocampus primarily involved in?

Answer 23

Memory formation and learning.

Question 24

What does the limbic system integrate?

Answer 24

Physiological, autonomic, hormonal, and behavioral responses to stimuli.

Question 25

What is the role of the mammillary bodies in the limbic system?

Answer 25

Relaying information to the thalamus for emotion processing.

Question 26

What are flashbulb memories?

Answer 26

Emotionally significant memories formed quickly.

Question 27

What happens during memory consolidation?

Answer 27

Short-term memories are strengthened into long-term memories.

Question 28

What was learned from Patient HM’s mirror drawing task?

Answer 28

Non-declarative memory can still form without the hippocampus.

Question 29

What are the consequences of thiamine deficiency in Korsakoff’s Syndrome?

Answer 29

Neuron death and irreversible brain damage.

Question 30

How does the limbic system support survival?

Answer 30

By remembering emotional events to guide future decisions.