The Brain

ptsdacademy
Mind Map by ptsdacademy, updated more than 1 year ago
ptsdacademy
Created by ptsdacademy almost 6 years ago
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Post-Graduate Neuropsychology Mind Map on The Brain, created by ptsdacademy on 03/22/2014.
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The Brain
1 Forebrain
1.1 Hypothalamus
1.1.1 FXS: maintains the body's homeostasis, motivation, (eating, drinking and sexual bx), physical expression of strong emotions (rage, fear & excitement)
1.1.2 Suprachiasmatic Nucleus
1.1.2.1 Circadian & Seasonal Cycles
1.1.3 Mammilary Bodies
1.1.3.1 Memory
1.1.4 D/O: Sleep D/O, Immune Response & Reproduction
1.1.5 "Homeostasis"
1.2 Thalamus
1.2.1 FXs: Relays incoming sensory info (except olfactory = amygdala) to cortex
1.2.2 Also involved in language, memory & motor activity
1.2.3 D/O: Dementia, Aphasia, Korsakoff's (w/ thiamine deficiency)
1.2.4 "Central Relay Station"
1.3 Basal Ganglia
1.3.1 Caudate Nucleus, globus pallidus & putamen
1.3.2 FXS: Organizes and Coordinates Voluntary movement and gross motor
1.3.3 D/O: Parkinson's, Huntington's, Tourette's, OCD, Schizophrenia & ADHD
1.3.4 "Initiate Movement"
1.4 Limbic Sysytem
1.4.1 Amygdala
1.4.1.1 FXS: Attaches Emotion to Memory
1.4.1.2 Fear response, emotional processing, learning, fight-or-flight, reward processing
1.4.1.3 D/O: PTSD, Anxiety, inability to recognize facial and vocal expressions of emotion, Kluver-Bucy (w/ temporal lobe)
1.4.1.4 "Emotional Brain"
1.4.2 Hippocampus
1.4.2.1 FXS: Transfers info from STM to LTM, processing spatial, visual and verbal memories, consolidating declarative memory
1.4.2.2 D/O: Alzheimer's, Autism, Dementia, PTSD, Anterograde Amnesia & Normal Aging
1.4.2.3 "Memory Consolidation"
1.4.3 "Emotions & Memory"
1.5 Subcortical Structures
2 Midbrain
2.1 Substantia Nigra
2.1.1 Helps control movement & plays role in reward seeking & addictive bxs
2.1.1.1 D/O: Parkinson's & Addictions
2.2 Reticular Formation
2.2.1 Reticular Activating System (RAS)
2.2.1.1 FXS: Awareness, Arousal & Attention - screens incoming sensory info, especially during sleep, and arouses when important info needs to be paid attention to
2.2.1.1.1 D/Os: Inattention, Hypersomnia & Coma
2.2.2 FXS: Sleep & Wakefulness
3 Hindbrain
3.1 Medulla Oblongata
3.1.1 FXS: Regulates Breathing, HR, BP and Digestion
3.1.1.1 D/O: Damage is most often fatal
3.1.2 "Basics"
3.2 Pons
3.2.1 FXS: Connects 2 halves of cerebellum, L & R movements of the body
3.2.1.1 Regulating states of arousal: breathing, taste & autonomic fxs (arousal, sleep & respiration)
3.2.2 Raphe Nuclei
3.3 Cerbellum
3.3.1 FXS: Balance, coordinate movements, control posture,
3.3.2 D/O: Ataxia - slurred speech, severe tremors & loss of balance, ETOH has strong effect on cerebellum
3.3.3 "Balance & Posture"
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