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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. Made of thalamus and hypothalamus






2. ANS - controls arousal mechanisms (blood circulation - pupil dilation - threat and fear response) - Lie detector test relies on the premise -->lying activates the sympathetic nervous system and cause things like (increase heart rate - blood pressure






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






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






5. Used to implant electrodes into animals' brains in experiments






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






7. Comprise two classes of neurotransmitters - indolamines and catecholamines






8. Extension of the spine - developed from base to the front






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






10. End of a neuron (terminal buttons)






11. Present in fast-acting - directed synapses






12. 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






13. Between myelin sheath - help send impulse down axon






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






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






16. Aka cell body. largest central portion - and make up gray matter - has a nucleus that directs neuron'S activity






17. Of mesencephalon - vision and hearing






18. Provide myelin in central nervous system






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






20. Areas on cortex that correspond to certain functions; - the larger the area - the more sensitive and highly accessed the function - Damage to a particular area would result in certain dysfunction






21. Base in hindbrain - rest in midbrain; oldest brain area; Controls alertness - thirst - sleep - involuntary muscles (i.e. heart)






22. Inactivated state of a neuron






23. Divided into diencephalon and telencephalon






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






25. Organizational and activational






26. Increase in female during puberty causes genitals to matures and secondary sex characteristics to develop






27. Chemicals that stimulate nearby cells






28. 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






29. Holds neurotransmitters






30. PNS - interacts with external environment by controlling voluntary movements of striated muscles






31. Released from the pituitary and facilitates birth and breast feeding - also involved in pair bonding (mother to child or romantic partners) -






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






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






34. Dysfunction in certain cortical association area - inability to read






35. Beginning of neuron (dendrites)






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






37. 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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38. (1) resting potential - neuron negatively charged - cell membrane does not let ions in; (2) presynaptic cell releases neurotransmitters from terminal buttons; (3) postsynaptic receptors in postsynaptic cells detects neurotransmitter and open ion chan






39. Bumps seen on cortex surface






40. 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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41. Controlled by hypothalamus - regulation of hormones in the body - The 'master gland' of the endocrine/hormone system






42. A type of cell that help support neurons; oligodendrocytes and Schwann cells






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






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






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






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






47. 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






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






49. PNS fibers that run towards CNS






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