psyctest 1 notes

psyctest 1 notes - Transcranial Magnetic stimulation...

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Transcranial Magnetic stimulation – Inactivation and activation of specific brain areas Electroencephalogram (EEG) - measures brain activity from the skull Positron Emission Tomography - radioactive substance put into blood, then measure how much of that substance goes to a part of the brain (blood flow measure) Functional magnetic resonance imaging (fMRI) – magnetic field that detects amount of blood in parts of the brain. Cerebellum/ Basal ganglia- allow production of learned, skilled, well-coordinated movements. (cerebellum – rapid, well-timed actions- feed forward for movements too fast to control; basal ganglia – slower, deliberate movements – feedback to assess actions) Limbic System – divides old from new parts of brain; stimulated by olfactory senses; includes hippocampus (tracking spatial location and memory encoding) and amygdale both for driving emotions ; + Hypothalamus – regulates internal environment of body (autonomic nerves, hormones, drives states like hunger or thirst and emotional states like fear and anger) CEREBRAL CORTEX- Evolutionarily new; +Frontal Lobe – Premotor area – involved in planning actions and choosing specific movement patterns to be taken; planning general strategies of action based on instructions; when damaged, hurts planning
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psyctest 1 notes - Transcranial Magnetic stimulation...

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