Limbic System Flashcards
function of limbic system
reward, memory, emotions
main structures of limbic system (4)
hippocampal formation, hypothalamus, amygdala, thalamus
structures of the hippocampal formation (3)
hippocampus, dentate gyrus, subiculum
function of hippocampal formation
forming new memories, converting short-term memories to long-term
What results from damage to the hippocampal formation?
the inability to form new memories
What type of memories are lost due to damage to the hippocampal formation?
anterograde (declarative) memories
hippocampal circuit
hippocampal formation (subiculum/hippocampus) fornix, mamillary bodies of hypothalamus, mammillothalamic tract, anterior nuclei of thalamus, cingulate gyrus, cingulum, parahippocampal gyrus, entorhinal cortex, hippocampal formation
major cortical association areas (3)
parietal-temporal-occipital area
dorsolateral prefrontal association cortex
limbic association cortex
Septal nuclei are known as the ___ center.
pleasure
The response normal septal nuclei have when they are stimulated is ___.
docility
The response caused by stimulation to septal nuclei that contain a lesion is ___.
rage
The amygdala is known as the ___ center.
emotion
output pathways of the amygdala (2)
stria terminalis
ventral amygdalofugal pathway
The normal response to stimulation of the amygdala is ___.
anger/violence and fear/anxiety
The response to stimulation of the amygdala that contains a lesion is ___.
extreme docility
