Name one feature that distinguishes e ltp from l ltp

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Name one feature that distinguishes E-LTP from L-LTP (other than that one lasts longer). (3 pt) Protein synthesis 14. We discussed methods for imaging and recording dorsal hippocampal neuron activity as an animal runs on a track. How does knowing what those cells are doing help to uncover memory mechanisms? (4 pt) Encoding and retrieval of spatial (semantic) information is a central feature of memory formation. This is what those experimental approaches are helping to explore. 15. Draw how a grid cells would fi re during exploration of the arena below. How do the receptive fi elds change as you move from dorsal to ventral entorhinal cortex? How would a place cell activity pattern look in the same arena? How about if the receptive fi elds of grid cells did not change dorsal to ventral? (5 pt) 16. Why does rubbing a boo-boo make it hurt less? (1+2+2 pt) Mechanoreceptors activate A fi bers that innervate local inhibitory interneurons. These interneurons then reduce excitatory signals (shunt out) to the brain. 17. In Aplysia associative learning, name the CS, US and CR. (6 pt) US>tail zap>serotonin-dependent facilitation at SN-MN synapse/learning CS>gentle touch/water pu ff to siphon>sensory neuron stimulation CR>motor neuron activation>gill withdrawal>CS-CR response increases when serotonin/US is present during training. 3 typical grid cell dorsal ventral grid cell grid cell place cell typical place cell if grid cell receptive fields did not change dorsal to ventral should be less specific than typical: more fields, bigger fields, one big field bigger fields smaller fields x
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NEU335 Name ________________________ EID ________ 18. The following Aplysia learning experiments are performed. State what you would observe as you record the motor neuron activity. Assume that there is no waiting, unless the description says so. (6 pt) a. CS is presented 15 times _________habituation_____________________________ b. (a), then wait 2 min, then one CS ___slight recovery from habituation_____________________ c. (a), then add cAMP for 2 min, then one CS ___bigger recovery from habituation d.
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  • Spring '16
  • Colgin
  • NMDA

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