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Gre Psychology: Experimental/natural Science Biology

Subjects : gre, psychology
Instructions:
  • Answer 50 questions in 15 minutes.
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  • 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. A sensory organ that detects the presence of certain chemicals - especially when a liquid is actively sniffed; mediates the effects of some pheromones






2. Consummatory stimulus






3. Pass the easiest through the blood-brain barrier






4. Decreases with age up until age 30 - then begins to increase *(counter intuitive)*






5. Can occur after long term antipsychotic tx (opposite of Parkinson'S?); oversensitivity to dopamine






6. Focuses light waves on the retina and is held in place by the suspensory ligament; aqueous humor on cornea side; vitreous humor on retina side






7. Accessory Nerve - moves the head






8. Receive incoming sensory information or send out motor impulse commands






9. Contains delta activity - stages III and IV






10. Instead of one continuum for sex (masculine-feminine) - her work in the presence of both masculine and feminine features/development suggests these are actually two separate continuums (defeminized-feminized and unmasculinized-masculinized)

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11. Governs eating/drinking (lateral and ventromedial hypothalami) and sexual activity (anterior portion






12. Symptom of narcolepsy - paralysis occurring just before a person falls alseep






13. Olfactory Nerve - smell






14. Glossopharyngeal Nerve - taste swallow






15. Supernormal






16. Dorsal part of midbrain; includes the superior and inferior colliculi






17. Adenine - Guanine - Thymine - Cytosine






18. Reduces anxiety - released with NE in amygdala - hippocampus - basal ganglia - periaqueductal gray region - locus coeruleus and PFS; NPY is diminished in persons with PTSD/CPTSD and those exposed to chronic stress






19. 'little brain'






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






21. An area that combines input from diverse brain regions






22. Increasing effects/effectiveness of a medication due to repeated administration






23. Functions in metabolism (carbohydrate - protein - lipid) and in the endocrine system'S salt/water balance - produces the hormones cortisol and aldosterone






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






25. Associated with (spoken) language reception/comprehension - memory processing - and emotional control; contains Wernicke'S area and the auditory cortex






26. Is regulated by the hypothalamus






27. Trochlear Nerve - moves eye






28. Serotonin = 5-HT -regulation of mood - anxiety - aggression - sleep - appetite - sexuality -rostral and caudal raphe nuclei






29. Audition: protrusions on top of midbrain; part of auditory system






30. Important to motor system






31. Facial Nerve - moves face and salivates






32. If head is rotated - eye movements occur in the same direction






33. Causes mesolimbic dopamine hyperactivity; etiology of schizophrenia






34. 1. ventral tegmentum to mesolimbic forebrain (cognition - reward systems - emotional behavior) 2. substantia nigra to caudate nucleus putamen (movement and sensory stimulation) 3. hypothalamus to pituitary gland (neuronal/hormonal control)






35. Binding of drug to receptor site that doesn'T interfere with the principal ligand






36. Occurs during the deepest stages of slow-wave sleep; regular - synchronous electrical activity of less than 4 Hz






37. 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






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






39. Mechanism whereby neurons make connections to new areas to change their connectivity






40. Produces acetylcholine. One of the earliest sites of cell death in Alzheimer'S Disease (neurological disorder associated with a deficiency in acetylcholine) is in the basal forebrain






41. Emotional perception and expression (particularly fearful emotions and detection of threat)






42. Receptors whose activation directly affects potassium or chloride ion channels in the neuron - (many drugs of abuse substitute for natural GABA- alcohol - benzos - barbituates






43. Related to plasticity - the term Lashley used to describe different parts of the cortex being interchangeable in their roles in learning






44. These two developed the criteria for habituation; basic process is a form of synaptic depression that occurs presyntaptically.






45. Neurotransmitter in CNS - hormone in peripheral vascular system; deficiencies > depression - ADD; noradrenergic nuclei = locus coeruleus






46. Having two copies of each chromosomes in most cells (except the gametes) - e.g. most mammals






47. Attaches to the binding site on a receptor and interferes with the receptor'S action - but NOT by interfering with the principal ligand'S binding site (noncompetitive binding)






48. Self-dissolving






49. If a synapse is active at about the same time that a postsynaptic neuron is active - that synapse will be strengthened






50. Is used as an anaesthetic for children and animals but causes psychosis in adults







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