Shared Flashcard Set

Details

TSM 86
The limbic system
11
Medical
Undergraduate 2
01/03/2013

Additional Medical Flashcards

 


 

Cards

Term
What are the inputs to the hypothalamus?
Definition
1) Cerebral/ limbic inputs
2) Somatic/ visceral inputs
3) Blood borne signals
Term
What is the overall role of the hypothalamus?
Definition
To coordinate visceral function with appropriate behaviours.
Term
What are the functions of vasopressin and oxytocin?
Definition
1) Vasopressin: acts to increase diuresis
2) Oxytocin: acts to increase sodium excretion.
Term
Which area of the hypothalamus generates our circadian rhythm?
Definition
The suprachiasmatic nucleus.
Term
How is the pineal gland innervated and what does it release?
Definition
The superior cervical ganglion. Melatonin.
Term
Which nuclei are important for male typical sexual behaviour?
Definition
Interstitial nuclei of the anterior hypothalamus. INAH 2 & 3 are larger in males than females.
Term
What is the consequence of destruction of the ventromedial nucleus in the hypothalamus?
Definition
Voracious eating.
Term
What is the consequence of destruction of the lateral hypothalamus?
Definition
The abolishment of eating and drinking behaviour.
Term
Where are the most important reward centres?
Definition
1) Lateral hypothalamus
2) Ventromedial nucleus
3) Ventral tegmental area.
Term
Where are the punishment centres found?
Definition
1) Important: midbrain & hypothalamus
2) Less important: amygdala and hippocampus
Term
What does stimulation of punishment centres in the limbic system cause?
Definition
Rage.
Supporting users have an ad free experience!