Biology Flashcards
Acetylcholine
Learning and memory
Alzheimer’s disease
Ex) date rat drugs block memory
Dopamine
Pleasure and voluntary behavior/movements
Parkinson’s disease
Schizophrenia
Serotonin
Mood, sleep, appetite, dreaming, pain
Depression and OCD (if low)
Norepinephrine
Stress, HR, sleep, vigilance, mood
Depression and high BP (if low levels)
Insomnia- high levels
4 main loves of brain
Occipital
Temporal
Parietal
Frontal
Occipital
visual function, shapes and colors
Pos: lower back of head
Temporal lobe
Process sound
Enter new info into memory
Comprehending language
Pos: either side of head
Parietal lobe
Recall info
Control eye movements, process sensation and arithmetic/math
Pos: upper back portion of head
Frontal lobe
Speech, reasoning, emotions, who we are, personality
If damaged most likely to survive
Pos: front of brain
Phineas Gage
Tamping rod entered under left cheek bone and exited top of head
Received serious brain damage
Reports of a changed personality
Cerebral dominance
No such thing as true cerebral dominance. Depending on task- 1 hemisphere may light up a little more BUT both hemispheres are reacting
Right hemisphere
Intuitive and perceptual
Pitching voice and understanding humor
Identifying faces
Left hemisphere
Analytical and verbal
Determining whether one object is above another
Language
Neurotransmitters
Chemical messengers
Bind to receptors on dendrites: diff shaped receptors for diff shaped neurotransmitters
Plasticity
Brain shaped by experience
Pruning and adding
Reorganizing
