Exam (elaborations)
UCSD Psych 125 Exam Questions & Answers 2024/2025
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UCSD Psych 125 Exam Questions & Answers 2024/2025
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UCSD Psych 125 Exam Questions &Answers 2024/2025
Neuropsychologist duties - ANSWERSAssessment/Diagnosis • Treatment recommendations •
Rehabilitation • Research • Teaching • Work in diverse settings
The WADA Technique - ANSWERSInjection of barbiturate (typically sodium amytal) into R or L internal
carotid artery; temporarily anesthetizes one hemisphere. Used, for example, to lateralize language
function. Hit speech hemisphere, patient can't speak, respond to questions etc.; no language. Highly
invasive
TMS/TMSr - ANSWERSMost frequently used to examine motor and cognitive processing. Pulses of
magnetic stimulation. Disrupt ongoing cognitive processing. Activate simple motor & visual systems.
Relatively noninvasive Shows some potential in treatment of depression & other neuropsychiatric
disorders
Fast rTMS - ANSWERS10 to 30 Hz, can enhance cortical excitability
"Slow rTMS - ANSWERSat 1 Hz, can be shown to decrease cortical excitability
Eduard Hitzig (1860s) - ANSWERSGerman doctor working at a military hospital Working with war-related
brain injuries Stimulated exposed brains with wires connected to a battery
Wilder Penfield (1940s-1950s) - ANSWERSBrain surgeon Applied electric currents to the surface of
patients' brains Mapped motor cortex, some somatosensory cortex
CT/CAT Scans - ANSWERSComputed transaxial tomography (1971) First technology to provide a real
anatomical image of the brain Based on same technology as X-ray, Diagnose strokes, lesions, tumors,
vascular malformations
Enhanced CT - ANSWERSIodine used as contrast Injected, absorbed by brain tissue, reveals more
contrast of brain structures Absorbs x-rays better
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