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GRE Psychology: Physiological/behavioral Neuroscience 1

Subjects : gre, psychology
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Low-amplitude and fast -frequency alpha waves






2. Of Hindbrain - aka medulla; Mainly controls for reflexes - but also controls sleep - attention - movement






3. Provide myelin in peripheral nervous system






4. Takes about half an hour; (0) prelude to sleep - neural synchrony; alpha waves; person is relaxed and drowsy - closes eye; (1) Eyes begin to roll. alpha waves give way to irregular theta waves; loses responsiveness to stimuli - experiences fleeting t






5. Of cerebral cortex - responsible for hearing - also Wernicke'S area (related to speech)






6. Gray matter - white matter






7. Like neurotransmitters but cause long-term changes in postsynaptic cell






8. Inactivated state of a neuron






9. Dysfunction in certain cortical association area - language disorder from damage to Broca'S area - in left frontal lobe; can understand speech but has difficulty speaking (slow - laborious - omits words)

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10. Fatty - insulating sheath on some axons for faster conduction of axon impulses






11. Consists of myelencephalon - metencephalon - and reticular formation






12. Or just synapse - the space between 2 neurons where they communication






13. An amino acid - most abundant inhibitory neurotransmitter






14. Of mesencephalon - rest of reticular formation; Also involved in the sensorimotor system - analgesic effect of opiates






15. Of telencephalon - structures around the brainstem involved in 4Fs (fleeing - feeding - fighting - and fornicating)






16. Of mesencephalon - vision and hearing






17. PNS fibers that run away from CNS (to cause effect the brain wants)






18. Divided into diencephalon and telencephalon






19. Made up of sympathetic nervous system and parasympathetic nervous system






20. Overeating with no satiation of hunger; leads to obesity; damage to ventromedial region of hypothalamus






21. Consists of limbic system - hippocampus - amygdala - cingulate gyrus






22. 4-6 complete ones - each about 90 minutes - early in the night most time in stage 3 and 4 - 2 and REM sleep predominate later






23. Provide myelin in central nervous system






24. Made up of somatic nervous system and autonomic nervous system






25. The basic unit of the nervous system - Consist of: Dentrites - cell body (soma) - axon hillock - axon - myelin sheath - nodes of Ranvier - Terminal buttons - cell membrane - synapse - glial cells






26. Increase in males during puberty causes genitals to matures and secondary sex characteristics to develop - example: testosterone






27. Neuron branches - receive impulses - branching patterns change throughout life






28. Fast frequency bursts of brain activity - inhibits processing to keep tranquil state






29. Incredible rage easily provoked when cerebral cortex is removed






30. Positron emission tomography - scans glucose metabolism to measure activity in various brain regions






31. Occur during specific periods in development - permanent or long-lasting effects; - presence of H-Y antigen in development causes fetus to develop into a male - absence to female; - androgens in males and estrogen in females causes secondary sex cha






32. Stage 3 (less sleep spindles) & 4 non-REM sleep - high-amplitude and low-frequency - deepest level of sleep






33. Present in fast-acting - directed synapses






34. Bumps on the brainstem - controls visual reflexes






35. comprises 50% of total sleep at birth - decreases to 25% - 20% sleep time spent in this type of sleep - Interspersed with non-REM every 30-40min - where dreams are experience - characterized by neural desynchrony - also known as paradoxical sleep -->






36. In females - regulate the development of ovum and trigger ovulation - In males - regulate the development of sperm cells and the production of testosterone






37. Tough connective tissues that cover/protect brain and spinal cord






38. End of a neuron (terminal buttons)






39. Measures brain wave patterns and have made it possible to study waking and sleeping states






40. Beginning of neuron (dendrites)






41. The process after a neurotransmitter has done its job - it is reabsorbed by the presynaptic cell






42. Stage 0 & 1 non-REM sleep - low-amplitude and fast-frequency waves






43. Associated with changes in hormone levels throughout the month - estradiol - progesterone - luteinizing hormone - follicle stimulating hormone






44. Of pituitary - activates thyroid






45. PNS - interacts with internal environment - - Responsible for the 'fight or flight' response - - It controls the involuntary functions including movement of smooth muscles - digestion - blood circulation - breathing






46. Presence during development causes a fetus to develop into a male (absence cause the fetus to develop into a female)






47. Outer covering of spine - nerve fibers - axon bundles - myelin sheathing






48. Changes in a nerve cell'S charge as the result of stimulation - 2 forms: excitatory postsynaptic potential and inhibitory postsynaptic potential






49. Time after absolute refractory period - neuron can fire but needs a much stronger stimulus






50. Of pituitary - regulate water levels in body and therefore BP