BRAIN & BEHAVIORI. What does the cortex do ?Phrenology vs. Experimental Method: Different areas have different functions- FRONTAL: Phineas Gage- PARIETAL: Neglect Syndrome; Phantom Limb- OCCIPITAL: Word Blindness; Blindsight- TEMPORAL: Memory; AggressionII. The TWO BRAINS: Lateralization of FunctionA). Split Brain Studies 1. Left Hemisphere- Language; Sequential2. Right Hemisphere- Emotional; Spatial ProcessingB). Gender Differences1. Corpus Callosum2. Naming Center3. Hypothalamus ( POA & INAH): Sexual PreferenceIII. How Does the Brain Work?A). Structures of Neurons: Neurons Process and Send Info1. DENDRITES: Incoming2. SOMA: Main CPU3. AXON: Outgoing4. TERMINAL BUTTONS: SynapseB). Information ProcesingNeurons communicate via electrical & chemical means1. ELECTRICAL: Within a Neuron- ACTION POTENTIAL2. CHEMICAL: Between Neurons- Neurotransmitter Release at Synapse- Can Inhibit or excite next neuron in circuit- Drugs Mimic Neurotransmitters to Produce
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