Limbic System

Question 1

Patient HM

Answer 1

Bilateral medial temporal lobectomy for epilepsy (HPC removed)

Anterograde amnesia for episodic memories

Procedural memory, STM intact

Question 2

HPC Functions

Answer 2

Declarative LLTM

Spatial memory

Question 3

Other Inputs into HPC

Answer 3

Mammillary body (via fornix)
Septal Nuclei (ACh- via fornix)
Raphe Nuclei (5-HT)
LC (NE)
VTA (DA)

Question 4

Types of Info Amygdala Receives

Answer 4

Sights, sounds, touch, smell, taste

General sense of physical emotional discomfort

Visceral sensory input (i..e cardiac)

Question 5

Amygdala Functions

Answer 5

linking perceptions with emotional responses

Emotional learning

Question 6

Bilateral Amygdala Damage

Answer 6

Decreased aggression

Impaired ability to learn appropriate emotional responses to stimuli

Question 7

Kluver-Bucy Syndrom

Answer 7

Bilateral damage to temporal lobe/amygdala
Fearless
Absence of emotion
Hypersexuality
High degree of attention to sensory timuli