BRAIN

1. Diencephalon

1.1. epithalamus

1.1.1. pineal gland produces melatonin which regulates sleepwake cycles

1.2. thalamus

1.2.1. main relay station for senses & motor signals

1.3. hypothalamus

1.3.1. maintains homeostasis

2. Cerebrum

2.1. receives sensory info & interprets it; initiates movement; generates thoughts & emotions; stores memories; responsible for personality traits & intelligence

2.2. Frontal lobe

2.2.1. primary motor area

2.2.2. Broca's area

2.2.2.1. speech

2.3. Parietal lobes

2.3.1. primary somatosensory(touch) area

2.4. Temporal lobes

2.4.1. hearing, smell

2.5. Occipital lobe

2.5.1. vision

2.6. Insula

2.6.1. taste, memory

2.7. Basal nuclei

2.7.1. influence complex automatic movements; affects short term memory

2.8. Limbic system

2.8.1. pain & pleasure center; memory; smell

2.9. Wernicke's area

2.9.1. interprets language

3. Brain stem

3.1. medulla oblongata

3.1.1. controls heart rate, blood pressure, & breathing; relays info

3.2. pons

3.2.1. controls breathing, relays info

3.3. midbrain

3.3.1. reflex centers, relays info; controls automatic skeletal muscle movements

3.4. reticular formation

3.4.1. maintains consciousness; regulates muscle tone

4. Cerebellum

4.1. controls complex movements, posture, & balance