Limbic System, Hypothalamus, and Hippocampus Flashcards
What is the median forebrain bundle?
bidirectional tract that connects the septal nuclei and orbitofrontal gyrus to the reticular formation
Also connects the reticular formation to the thalamus, hypothalamus, and cortex
What structure does the median forebrain bundle go through?
hypothalamus
The lateral hypothalamus controls what functions?
regulates thirst, hunger, emotion, and sympathetic output
The medial hypothalamus controls what functions?
controls satiety
Stimulation of the anterior hypothalamus causes ________.
decreases in temperature, HR, and BP while increase parasympathetic output
Stimulation of the posterior hypothalamus causes ______.
increases in temp, HR, and BP while increasing sympathetic tone
Where is temperature mainly regulated?
anterior hypothalamus by the preoptic area
Where is ADH produced?
supraoptic nucleus of the hypothalamus
Where is oxytocin produced?
paraventricular nucleus
What cerebral structure controls feeding reflex?
mammillary bodies
What cerebral structure controls sex drive?
anterior/posterior hypothalamus
What regions of the cerebrum control rage?
lateral hypothalamus and periventricular region
What region of the hypothalamus controls fear and anxiety?
midline preoptic nucleus
What is the primary goal of the limbic system?
to determine whether a sensation is pleasant or unpleasant
Ablation of the temporal tip of the limbic cortex produces _______.
Kluver Bucy Syndrome
