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Title: Limbic System
Description: Expanding on the emotional and memory brain, and which parts contain which function. Psychology 101
Description: Expanding on the emotional and memory brain, and which parts contain which function. Psychology 101
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Limbic System, emotional and memory brain
Forms the core of the brain between the cortex and brainstem
Involved in instinctive behaviours, emotions, basic impulses and drives
Such as sex aggression pleasure survival ect
Amygdala- assesses info for emotional significance, adds emotion to memories i(t is key in long-term
memory storage because it gives memories meaning)
Part of the fear response, hard-wired ANS response linked through the hypothalamus (strong emotional
like fear causes a strong ANS response)
Higher heart rate=higher breathing rate, adrenaline
Nuclei of the amygdala are affected by sex hormones therefore they are different in the sexes (different
feeling emotions)
Hippocampus- major memory formation and recall
Passes working memory (prefrontal cortex) to long-term memory areas in the cortex
Linked to hypothalamus and amygdala therefor emotional content is linked to memories
Damage to Hippocampus:
Does not effect short term memory
2 types of amnesia
Anterograde
Can't make new memories
Retrograde
Can't recall
Hypothalamus and Tegmentum
Bodily reactions and major dopamine centers (drive)
motivation behind behaviour
Damage to these:
Difficulty getting pleasure in life
Addictions (alcohol, gambling, eating, drugs)
Mammilary Bodies
Important for memory formation (objects) and memory recall
Fornix
Connection between mammilary bodies and hippocampus
Cyngulate Gyrus
Sensory associations to memories
Title: Limbic System
Description: Expanding on the emotional and memory brain, and which parts contain which function. Psychology 101
Description: Expanding on the emotional and memory brain, and which parts contain which function. Psychology 101