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






2. Organizational and activational






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






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






5. 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






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






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






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






9. An amino acid - most abundant excitatory neurotransmitter.






10. Between myelin sheath - help send impulse down axon






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






12. 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






13. Of telencephalon - controls emotional reactions such as fear and anger






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






15. Present in fast-acting - directed synapses






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






17. Contain synaptic vessels that hold neurotransmitters






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






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






20. An amino acid - most abundant inhibitory neurotransmitter






21. Include dopamine - lack of dopamine linked with Parkinson'S - excess dopamine is linked with schizophrenia - dopamine is also involved in feelings of reward and therefore addiction






22. Decrease effects of a neurotransmitter (e.g. botox is an acetylecholine antagonist that decreases muscle activity)






23. Beginning of neuron (dendrites)






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






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






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






27. Divided into diencephalon and telencephalon






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






29. 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 -->






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






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






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






33. Gray matter - white matter






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






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






36. Bumps on the brainstem - controls visual reflexes






37. Bumps seen on cortex surface






38. Of cerebral cortex - responsible for somatosensory system






39. Made of thalamus and hypothalamus






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






41. Of diencephalon - channels sensory information to cerebral cortex






42. 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






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






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






45. 16 hours of sleep a day - 6 hours






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






47. Outer half-inch of cerebral hemispheres; - sensory and intellectual functions; - split into frontal - occipital - parietal - temporal lobes; - 90% is neocortex (new in evolution - 6 layers cortex) - 10% < 6 layers and more primitive






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






49. Pathway that runs to and from CNS






50. Holds neurotransmitters






Can you answer 50 questions in 15 minutes?



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