1.Describe 3 things you’ve learned from this unit so far. 2.What method works best for you when reviewing structures and their functions? 1.Describe 3.

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1.Describe 3 things you’ve learned from this unit so far. 2.What method works best for you when reviewing structures and their functions? 1.Describe 3 things you’ve learned from this unit so far. 2.What method works best for you when reviewing structures and their functions?

Crash Course vid #4 – Meet your master: Getting to know your brain

Cerebral Cortex – body’s control and information processing center

Planning Decision- making Personality Abstract thinking Sensory Vision Hearing & Memory

What are some other parts of their brain and their purpose? Limbic system: emotions, memory Hippocampus: long term memory Amygdala: aggression, emotion, motives, (very active during adolescence) Hypothalamus: eating, drinking, body temperature Thalamus: relay station between senses and cerebral cortex Cerebellum: balance and movement Brain stem: internal physical state of body Medulla Oblongata: breathing, heartbeat Pons: regulates brain during sleep Reticular Activating System: alertness

Additional Structures & Functions Fissures: deep grooves that divide brain regions Broca’s area: controls speech and language formatio Wernicke’s area: controls language comprehension Corpus callosum: “bridge” that connects the left and right hemispheres Two hemispheres – right hemisphere controls left, left hemisphere controls right Brain Dominance Theory: Right brain dominant – art, language, creative. Left brain – logical, math, organized Anterograde amnesia: inability to form new memories Retrograde amnesia: inability to recall stored memories

Phineas Gage Tamping iron accident – Iron rod driven completely through head Personality changed – – Gage became crude, uncaring, impulsive, irrational, anti-social Damage to frontal lobes on both sides – causing a defect in rational decision making and the processing of emotion

In hypothalamus, the rat readily crosses an electrified grid, accepting the painful shocks to press a lever that sends electrical impulses to its “pleasure centers” *Tied to addiction

Traumatic Brain Injury (TBI) Disruption of normal brain function – Due to physical forces Blow to the head (blunt impact) – A fall – A motor vehicle accident (MVA) – A bicycle crash – A sports injury – An explosion Can be mild, moderate, severe

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