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| Phrenology: invented by franz gall, theory that bumps on our skull reveal things about us. Not true however was the correct in focusing on certain regions of the brain for certain functions |
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| study links between biology and psychological events |
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outside: negative potassium
inside: postive sodium |
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| allows the brain to keep unwanted chemicals out |
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| slow chemical communication carried by hormones |
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| chemicals made by the endocrine system |
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| has adrenal medulla (secretes epeniphrine and norepinerhine during stressful/emotional situations) and adrenal cortex (regulats salt and carbohydrate metabolism) |
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| Electroencephalogram (EEG) |
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| recording of electrical waves measured by electrodes |
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| visual display of brain activity that is detected by radioactive glucose when given a task |
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| uses magnetic fields and radio waves to produce images that distinguish diff types of brain tissue |
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| reveal function and structure, when given various mental tasks people can watch the brain "light up" |
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oldest part of the bring, responsible for automatic functions
- medulla: base of the brainstem, heartbeat and breathing
- pons: coordinate movement
- reticular formation: arousal
- thalamus: sensory switchboard, directs msgs to the sensory areas in the cortext and transmits replies to the cerebellum and medulla |
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| little brain, voluntary movement and balance |
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emotion, fear, agression, want for fod, sex
-amygdala: fear and anger
- hypothalamus: eating, drinking, body temp, emotion (done by the pituitary glands)-reward center
- hippocampus: processes memory if injurred the person cant process new memories |
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| controlled by the hypothalamus-secretes hormones |
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covers the cerebral hemispheres
ultimate control and information processing center |
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| forehead, speaking, muscle movement, planning and judgement |
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| top rear of head, receives sensory input for touch and body position |
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| back of head, visual areas receives information from the opposite visual field |
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| side of head, auditory ares receives information from the opposite ear |
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| control voluntary movement |
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| eceives infromation from skin surface and sense organs |
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| using an fmri we can see the visual cortex is active when a person looks at faces |
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| an fmri shows the auditory cortex is active when patients hallucinate |
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| intelligent animals have more un-committed areas of the cortex |
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| a rod when through his frontal lobe. altered his personality no moral compass |
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| brains ability to modify itself after injury |
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| reading writing, speaking, math, comprehension-interprets |
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| visual perception, recognition of emotion, perceives differences |
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connects the hemispheres
- when severed objects presented on the right can be names and objects on the left cant |
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