Psu Psych 260 Exam 1 Actual Questions And Answers New Guide 100% Correct

Microglia {Ans: Smaller mobile glia cells that migrate to areas of damage to digest/clear debris.}Nuclei {Ans: Collection of cell bodies that share a common function.}Ionotropic Receptor {Ans: A receptor protein in the postsynaptic membrane in which the recognition site is located on the same structure as the ion channel.}Motor Areas {Ans: The motor cortex controls voluntary movements (frontal lobe).}Charles Bell and Francois Magendie {Ans: Found that information in the nervous system only traveled one way.}Diffusion Tensor Imaging (DTI) {Ans: Tracks movement of water in the fiver pathways of the nervous system.}Diffusion {Ans: Force that moves molecules from areas of high concentration to areas of low concentration (along a concentration gradient).}Concentration Gradient {Ans: An unequal distribution in the concentration of molecules across a membrane}Electrostatic Pressure {Ans: The force that moves molecules with like electrical charges apart and molecules with opposite charges together.}Reticular Formation {Ans: Arousal}Lobotomies {Ans: Frontal lobe surgery to reduce depression. Could lead to bad speech, loss of in-depth thinking, destroys most of lobe.}Multipolar {Ans: Neurons with many branches extending from the cell body; usually one axon and many dendrites.}Forebrain {Ans: Composed of the diencephalon (thalamus, hypothalamus)