Psych 375 Test Questions with Correct Answers

Psych 375 Test Questions with Correct Answers Phrenology - Answer-the belief that we can understand the behaviour of people by looking at the shape of their skull mass action - Answer-specific functions not localized to particular parts of brain Equipotentiality - Answer-any chunk of cortical tissue has the potential to support any brain function Plasticity - Answer-tissue in different parts of brain can take over for other damaged parts and effectively relocate functions, but there are still limitations Time to make a decision = - Answer-choice RT - simple Rt Default Mode Network (DMN) - Answer-network of different parts of brain that become active at rest or when we start mind wandering fMRI, PET - Answer-High spatial, low temporal resolution EEG/ERP, MEG - Answer-High temporal, low spatial resolution EEG (electroencephalograms): - Answer-measures electrical activity in brain or firing of neurons in brain; used to be used to deliver electrical activity as well On basis of signal that reaches electrodes placed on scalp ERP (event-related potentials): - Answer-Measure average characteristic changes in electrical activity associated with particular psychological events (e.g. a stimulus presentation) Calculation requires signal averaging to form a grand average for multiple subjects across many trials that is time-locked to a specific event MEG (magnetoencephalography): - Answer-maps subtle changes in the magnetic fields around the scalp caused by fluctuations in electrical activity in the brain