PSY 319 Exam 2 questions with correct answers

Someone with epilepsy might be prescribed a medicine to increase __________ action. - Answer GABA Muscle contractions often need to happen quickly so they are controlled via _____________ receptors. - Answer ionotropic Monoaminergic neurons include: - Answer serotonergic neurons L-DOPA is given to a patient with Parkinson's Disease because: - Answer dopamine cannot cross the blood brain barrier. Peptides, unlike neurotransmitters, are always - Answer destroyed by enzymes Brain lesions - Answer include wounds like those suffered in concussions and strokes and they can be experimentally created. Researchers use electric current to destroy Brain Area A and conclude that the absence of a certain behavior is due to Brain Area A. However, Brain Area A is not actually involved; instead a brain area that was passed through was involved in the circuit of interest. How could the researchers control for this erroneous finding? - Answer sham lesion Stereotaxic apparatuses exist for - Answer mice, rats, and humans (among others) Researchers want to find out which brain region precedes brain region C. To discover this, researchers can trace ________ axons using ________ labeling. - Answer afferent; retrograde