limbic system

Question 1

anterior commissure connects

Answer 1

two halves of the olfactory system = anterior to the columns of the fornix

Question 2

limbic system influences

Answer 2

endocrine system

autonomic nervous system

Question 3

limbic system functions

Answer 3

controls emotions and emotional responses
mood
motivation
pain and pleasure sensations

Question 4

limbic system:
cortical areas
deeper structures

Answer 4

• septal area, parahippocampal gyrus, cingulate gyrus

- hippocampal , fornix ,amygdala , The mammillary bodies , ant nucleui of thalamus

Question 5

the Papez circuit

Answer 5

Limbic structures interconnected by the fornix, mammillothalamic tract, the stria terminalis ,the cingulum

Question 6

Describe the Papez circuit

Answer 6

Hippocampus → fornix → mammillary body → mammillothalamic fibres→ thalamus (anterior nucleus) → cingulum→ entorhinal cortex → hippocampal formation

Question 7

hippocampus
function
damage results in

Answer 7

• associative learning and memory

- amnesia

Question 8

amygdala
function
lesions cause
connected to the..

Answer 8

• reproduction, fear and aggression, and modulation of the autonomic and neuroendocrine systems
• docile behaviour
• hypothalamus via stria terminalis , also connected to thalamus and neocortex

Question 9

Septal area
functions
lesions cause

Answer 9

• Relief of fear, docile behaviour and stress

- agressive behvaiour

Question 10

Cingulate gyrus
how does it communicate with hypothalamus
function

Answer 10

• mammillothalamic tract

- Control of emotional and visceral responses, aggressive behaviour

Question 11

Thalamus

Answer 11

connects brainstem to cerebrum