lecture_10_10_28a

lecture_10_10_28a - C o n tr o l 2 0 4 0 6 0 8 0 1 0 0 1 2...

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Unformatted text preview: C o n tr o l 2 0 4 0 6 0 8 0 1 0 0 1 2 0 1 4 0 1 9 17 25 33 41 49 57 65 73 81 89 97 tim e (a r b itr a r y u n its ) firing rate (spikes/sec) D S I V S I- A V S I- B M o d u la te V S I-B 2 0 4 0 6 0 8 0 1 0 0 1 2 0 1 4 0 1 9 17 25 33 41 49 57 65 73 81 89 97 tim e (a rb itra ry u n its) firing rate (spikes/sec) D S I V S I-A V S I-B Effects of excitatory modulation on VSI-B Excitatory modulation of VSI-B essentially does not effect VSI-Bs firing rate & slows down the rhythm of the circuit VI.A.3.c.ii Continuously applying a neuromodulator to certain neurons can change the rhythm. C o n tr o l 2 0 4 0 6 0 8 0 1 0 0 1 2 0 1 6 11 16 21 26 31 36 41 46 51 56 61 66 71 76 81 86 91 96 tim e firing rate D S I V S I-A V S I-B A b o v e w ith in p u t to D S I rh y th m ic 2 0 4 0 6 0 8 0 1 0 0 1 2 0 1 4 0 1 5 9 13 17 21 25 29 33 37 41 45 49 53 57 61 65 69 73 77 81 85 89 93 97 tim e firing rate D S I V S I- A V S I- B In p u t to D S I Effect of providing "pacemaker" rhythmic input to DSI The circuit oscillates with a (faster/slower/same) rhythm than when the input is...
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lecture_10_10_28a - C o n tr o l 2 0 4 0 6 0 8 0 1 0 0 1 2...

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