The Human Nervous System

1. Central NS

1.1. Spinal Cord

1.2. Brain

1.2.1. Hindbrain

1.2.1.1. Brainstem

1.2.1.1.1. Automatic survival functions; sends and receives info

1.2.1.1.2. Pons

1.2.1.1.3. Medulla Oblognata

1.2.1.2. Cerebellum

1.2.1.2.1. Balance and coordination

1.2.1.2.2. fine motor movements

1.2.1.2.3. procedural/implicit memory

1.2.1.2.4. "little brain"

1.2.1.2.5. timing of speech (stutter)

1.2.1.2.6. alcohol depresses cerebellum

1.2.1.3. No conscious effort needed

1.2.2. Midbrain

1.2.2.1. Reticular Formation

1.2.2.1.1. Arousal to stimuli

1.2.2.1.2. sleep

1.2.2.1.3. attentiveness

1.2.2.1.4. filters incoming stimuli and relays important info to the thalamus

1.2.2.2. Neural network integrates sensory processes

1.2.2.3. system of dopamine releasing neurons (decline = parkinson's

1.2.3. Forebrain

1.2.3.1. Limbic System

1.2.3.1.1. learning, memory, emotion, basic drives

1.2.3.1.2. hippocampus

1.2.3.1.3. amygdala

1.2.3.1.4. hypothalamus

1.2.3.1.5. Thalamus

1.2.3.2. Corpus Callosum

1.2.3.2.1. relays info bw the two hemispheres

1.2.3.3. Basal ganglia

1.2.3.3.1. smooth voluntary muscle movements

1.2.3.3.2. striatum

1.2.3.3.3. nucleus accubens

1.2.3.3.4. ventral tegmental area (VTA)

1.2.3.4. Cerebral Cortex

1.2.3.4.1. see other chart