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Neuroscience > Limbic & Amygdala > Flashcards

Limbic & Amygdala Flashcards

0
Q

Limbic area lamination compared to the cortex?

A

Simpler

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1
Q

Limbic system functions?

A 
HOMES
Homeostasis
Olfaction
Memory
Emotion
Spatial Mapping
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2
Q

Limbic “cortex” parts?

A

Cingulate cortex
Parahippocampal gyrus
Gyrus rectus

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3
Q

Components of the Limbic system? Associated areas?

A 
Hippocampus
Entorhinal cortex, piriform cortex (olfactory cortical areas)
Amygdala
Septal nuclei
Cingulate cortex

Mediodorsal and anterior thalamic nuclei
Mammillary bodies
Ventromedial hypothalamus

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4
Q

Where is the amygdala?

A

Rostral temporal lobe

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5
Q

What are the divisions of the amygdala?

A

Basolateral
Corticomedial
Central

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6
Q

4 Fs of the amygdala and other functions?

A

Fight, flight, fear, fornication
Emotion, aggression, mating, endocrine
*Imposes cortical control over hypothalamic behaviors
Emotional memory
Depression, violent tendencies, impulsive behavior

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7
Q

Corticomedial amygdala inputs and outputs?

A

From olfactory bulb

To septal nuclei, olfactory tubercle, hypothalamus

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8
Q

Basolateral amygdala inputs and outputs?

A

Bidirectional connections with all of cortex (neocortex, olfactory cortex, entorhinal cortex, hippocampus)
Outputs to mediodorsal thalamus, hypothalamus, brainstem autonomic centers

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9
Q

Central amygdala inputs and outputs?

A

Bidirectional connections with hypothalamus and brainstem

*autonomic control

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10
Q

Pathways:

Ventral amygdalofugal

A

Short cut

To septal nuclei, basal forebrain, brainstem, hypothalamus

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11
Q

Pathways:

Stria terminalis

A

Long road
Bidirectional
Adjacent to tail of caudate
To hypothalamus and septum

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12
Q

Pathways:

Medial forebrain bundle

A

Other short road, but like a highway
Bidirectional
To septal nuclei, basal forebrain, brainstem, hypothalamus

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13
Q

Amygdala influences ___________ activities and _________ directed by the hypothalamus

A

Endocrine, behaviors

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14
Q

Amygdala can influence ___________ functions of the hippocampus

A

memory

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15
Q

Importantly, amygdala relays __________ control over many structures

A

cortical

16
Q

Kluver-Bucy syndrome

A 
Lesion of amygdala
Reduced aggression
Hypersexual
Hyperoral
Psychic blindness
17
Q

Amygdala has high concentration of what type of receptors?

A

Serotonin

Neuroscience (8 decks)

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