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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. Divided into diencephalon and telencephalon






2. Time after a neuron fires which it cannot respond to stimulation






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






4. An amino acid - most abundant excitatory neurotransmitter.






5. Include serotonin - lack of serotonin is linked with depression






6. Organizational and activational






7. Process in which neural pathways are connected and then some die out (children go through these process)






8. Depolarization - + from outside allowed into cell - increase firing






9. Of pituitary - stress hormone - increases androgen and cortisol production






10. Dysfunction in certain cortical association area - inability to organize movement






11. Released at neuromuscular junction to cause contraction of skeletal muscles - also involved in parasympathetic nervous system






12. Of diencephalon - controls autonomic nervous system biological motivations (hunger - thirst) and pituitary gland






13. Bundles of axon - Nerve fiber






14. Chemicals that stimulate nearby cells






15. Of cerebral cortex - controls speech (Broca'S area) - reasoning - problem solving






16. Chambers filled with cerebrospinal fluid that insulate brain from shock






17. Comprise two classes of neurotransmitters - indolamines and catecholamines






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






19. Once minimum threshold is met - intensity always the same regardless of amount of stimulation






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






21. 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






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






23. Fissures seen on cortex surface






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






25. Of mesencephalon - vision and hearing






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






27. Occurs when people deprived of REM sleep - compensate by spending more time in REM sleep later in the night






28. Covers whole neuron - selective permeability - sometimes lets ions (positive charge) through






29. Of telencephalon - links brain areas dealing with emotion and decisions






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






31. Provide myelin in central nervous system






32. Dysfunction in certain cortical association area - inability to write






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






34. Hyperpolarization - + let out - - compared to outside - decrease firing






35. Dysfunction in certain cortical association area - language disorder from damage to Wernicke'S area - in left temporal lobe; can speak but doesn'T understand how to correctly choose words (fluent but nonsensical)

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36. Made of thalamus and hypothalamus






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






38. REM-sleep - low-amplitude and fast-frequency waves that characterize waking states






39. 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






40. Of pituitary - activates thyroid






41. 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






42. Of cerebral cortex - responsible for vision






43. Of cerebral cortex - responsible for somatosensory system






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






45. Control large voluntary muscle movements - Their degeneration is related to motor dysfunction in Parkinson'S and Huntington'S






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






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






48. Made up of brain and spinal cord






49. Between myelin sheath - help send impulse down axon






50. 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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