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Gre Psychology: Experimental/natural Science Biology

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. 'little brain'






2. Symptom of narcolepsy; complete paralysis that occurs while AWAKE/conscious; will suddenly fall to floor paralyzed for a few minutes






3. A region of the visual association cortex located in the extrastriate cortex at the base of the brain that has special face-recognizing circuits (more important in right hemisphere)






4. Located in the forebrain - basal ganglia -> movement -speech and other complex behaviors






5. Similarity of alleles for a trait in an organism (i.e. heterozygous or homozygous)






6. Motor neurons found in the Somatic (voluntary) and Autonomic (involuntary) Nervous Systems






7. Suggests that dreams are nothing more than the product of random electrical impulses (Hobson & McCarley)






8. Accessory Nerve - moves the head






9. Attaches to a binding site on receptor and interferes with the action of the receptor without affecting the binding site for the principal ligand (noncompetitive binding)






10. Vision: protrusions on top of the midbrain; part of visual system






11. Has two lobes that are connected by the massa intermedia (looks like a pair of balls - without the nutsack)






12. Measure changes in the electrical resistance of the skin (sweat gland activity)






13. Referred to as the satiety center; lesions lead to obesity and hyperphagia






14. Occurs intermittently during early stages of slow-wave sleep and REM sleep 3.5-7.5 Hz






15. Occurs at the onset of puberty; a hypothalamic hormone that stimulates the pituitary gland to secrete gonadotropin






16. Sign






17. A steroid hormone produced by the ovary that maintains the endometrial lining of the uterus during the later part of the menstrual cycle and during pregnancy; along with estradiol it promotes receptivity in female mammals with estrous cycles






18. 'covering'






19. Facial Nerve - moves face and salivates






20. Activates one of 5 types of receptors in the CNS - cognition - motor activity - reward - muscle tone - sleep - mood - attention - learning -higher level effects of dopamine = D2






21. Synchronized EEG activity during its deeper stages






22. Is a loss of dopamine cells in the substantia nigra of the basal ganglia; these cells are usually dark (nigra) but in Parkinson'S - the substantia nigra appears white due to cell death

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23. States that performance is worst at extremely low or extremely high levels of arousal and optimally at an intermediate level






24. SCN = controls circadian rhythms - located directly above the optic chasm in the anterior portion of the hypothalamus - receives input from the eyes which is why light exposure affects our sleep-wake cycles






25. Controls circadian rhythms - produces melatonin (daylight signals go to the eyes to the hypothalamus to the pineal gland)






26. Readiness with which molecules/drugs/medications join together; varies widely from medication to medication






27. Most brain communications are with the opposite side of the body






28. Somewhat excitatory - also involved in synaptic plasticity - learning and short-term memory






29. Part of limbic system; protrusion of the bottom of the brain at the posterior end of the hypothalamus - contains some hypothalamic nuclei






30. Precursor to GABA (the most inhibitory/regulatory/pervasive neurotransmitter)






31. Is a receptor blocker; binds with a receptor but does not activate it - actually prevents the natural ligand from binding with the receptor






32. An ovary or teste






33. Vestibulocochlear Nerve - hearing and balance






34. Holds the lens in place






35. The scientific study of animal behavior; documentation of species-specific instinctual behaviors






36. A 90-minute activity cycle occurs throughout the day as well as throughout sleep (in humans) waxing and waning alertness controlled by a biological clock in the caudal brainstem that also controls cycles of REM and slow-wave sleep






37. Irregular electrical activity of 13-30 Hz - state of arousal - attentive






38. Means 'Savory' in Japanese and is a taste receptor found on the tongue; activated by glutamate present in meats - cheese and other protein heavy foods






39. Oculomotor Nerve - moves eye pupil






40. Fluid filled cavities in the middle of the brain - linking to the spinal canal that runs down the middle of the spinal cord; this fluid is cerebrospinal fluid






41. Is found between the arachnoid mater and Pia mater; this is where CSF cushions (and bathes) the brain - giving it the floating quality (and keeping it moist/circulating)






42. An axon of a neuron in one region of the brain whose terminals form synapses with neurons in another region






43. The synchronization of the menstrual or estrous cycles of a group of females - which occurs only in the presence of a pheromone in a male'S urine






44. A behavior that has different forms or occurs with different probabilities or under different circumstances in males than females






45. Affect sex characteristics/development and produce estrogen/progesterone (in females - ovaries) and testosterone (in male - testes)






46. 3 layers of tissues that cover and protect CNS; dura mater (outermost layer) - arachnoid mater (middle layer) - Pia mater (innermost layer)






47. Physiologically different from the other four stages of sleep (i.e. the similarity between the summed electrical activity of neurons measured on the scalp (EEG) during REM sleep and during wakefulness






48. In the limbic system - is a fiber bundle - connects hippocampus with stuff (including the mammillary bodies of the hypothalamus)






49. The female reproductive cycle of most primates - including humans; recognized by growth of the lining of the uterus - ovulation - development of a corpus luteum - and (if pregnancy does not occur) menstration






50. learning and memory -neurotransmitter released at the neuromuscular junction of skeletal muscle axons to excite the muscle to contract






Can you answer 50 questions in 15 minutes?



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