The Brain 86 BILLION neurons!!!
Particular regions have particular function
Cerebellum Coordinated movement Damage results in herky-jerky movement Can be overridden by frontal cortex Kuru the laughing disease
Brain Stem Eye movement, body movement Vital body functions (breathing, heart rate) Sensory Analysis
Mid Brain Regulates emotions S.M.’s Amygdala Elliot loss of prefrontal area
Hippocampus H.M. becomes most studied brain in history Car crash in 1930s causes seizures Both hippocampus removed in 1953 Memory
Cerebral Cortex (hemispheres) Left and Right Broken into different sections Each with specific function
Temporal Lobe Process sensory input into meaning for Visual memories Language comprehension Emotional association Left lobe (face recognition) Right lobe (Pitch and sound) I bet I can make you sing! Stimulation= crisp memory and angelic visions/sounds
Temporal Lobe Incessant writing and ultra-religious Epileptics Experience specific aura before seizure Emanuel Swedenburg- dined with angels
Pareidolia
Bonnet ArmChest Nose
Occipital Lobe Visual stimulation Epilepsy How/where Parietal What Temporal for memories/emotions Swiss woman with Primary Visual Cortex Stroke Vision
Does it exist?
Occipital lobe seizures
Parietal Lobe Somatosensory processing ( touch ) Coordination of information from other parts of the brain Navigation Woodrow Wilson and Justice William Douglas Confabulation Honest lying
Capgras Syndrome Missing “glow” of recognition
Cotard Syndrome Lose the personal “glow”
Frontal Lobe Conscious thought Personality Motor function Problem solving Social interaction
Drunk Driving
Driving Tired
Phineas Gage Railroad worker Tamping charges Tamping iron hit live charge Shot through his skull and landed many yards away Stayed standing!!
Phineas Gage
Frontal Lobotomy Used to control mental patients Scramble frontal lobe Person becomes zombie, very easy to control
Corpus Callosum Connects the 2 hemispheres Left controls right and Right controls left
Broca’s Area Control Speech Damage results in failure to form words Left Frontal Lobe
Wernicke’s Area Left Temporal Lobe Organize words in meaningful way
I say river, you say…
I say dog, you say…
Jokes
This next one’s gonna be good!
What does a brain do when it sees a friend across the street?
What does a brain do when it sees a friend across the street? Gives a little brain wave!
What is a sleeping brain’s favorite musical group?
What is a sleeping brain’s favorite musical group? REM
Links the_brain_is_a_swiss_army_knife#t Night Terrors 4xmN8 Serene Branson PhEwI