Brain structures Flashcards
Damage to the hypothalamus
Aggression, crying or laughing
Basal Ganglia
Caudate Nucleus
Putamen
Nucleus Accumbens
Global Pallidus
Striatum
Caudate nucleus
Putamen
Nucleus accumbens
Function of the Basal ganglia
-voluntary movement
-habit learning /procedure learning
-attention
-decision making
-emotions
Damage to the basal ganglia
Mood disorders
Schizophrenia
ADHD
OCD
Tourettes
Huntington’s
Parkinsons
Limbic System
Amygdala
Hippocampus
Cingulate Cortex
Function of the Limbic System
Emotions
Facial recognition
Evaluation of emotions
Attachment of emotions to memory
Kluver-Bucy Syndrome
Bilateral lesion to the amygdala, hippocampus and temporal lobe.
-hypherphagia
-hyperarousal
-reduced fear
-hypersexuality
-visual agnosia
Function of the Cingulate cortex
Motivation
Memory
Emotion (reaction to pain)
Damage to Cingulate cortex
Experience pain without distress
MDD
Bipolar
Cortisol and the hippocampus
High levels lead to impairment in retrieval of declarative memories.
Smaller hippocampus
Abnormalities in the hippocampus
MDD
Bipolar
Schizophrenia
PTSD (greater trauma - smaller hippocampus)
Gerstman’s Syndrome
Damage to the left -dominant parietal lobe
-finger agnosia
-right-left distortions
-agraphia-acalculia
Basal ganglia & cerebellum & memory
Essential for procedural memory / implicit memories
Damage:
trouble learning new skills
trouble performing previously learned skills
Amygdala & memory
Attaches emotions to memories
Damage:
same recall for emotional and nonemotional memories