Lecture_11_04

Lecture_11_04 - DSI VSI-b C2 VSI-a E-I I-E E-I-E VI.A.3....

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Unformatted text preview: DSI VSI-b C2 VSI-a E-I I-E E-I-E VI.A.3. The real circuit underlying Tritonia swimming - specialization's to slow down the rhythm T rito n ia s im p lifie d 2 0 4 0 6 0 8 0 1 0 0 1 2 0 1 4 0 1 7 13 19 25 31 37 43 49 55 61 67 73 79 85 91 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 T rito n ia N o rm a l 2 0 4 0 6 0 8 0 1 0 0 1 2 0 1 4 0 1 7 13 19 25 31 37 43 49 55 61 67 73 79 85 91 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 Simplified vs. Normal Circuit The normal circuit causes larger firing rates for all 3 neuronal groups and therefore more power than & oscillates slower than the simplified circuit VI.A.3.c.i. Real circuit has advantages over the simplified circuit Firing rate represents how quickly the cell fires action potentials time (ms) 100 100 time (ms) Higher firing rate lower firing rate On the right we have drawn action potentials over time for DSI to demonstrate the relation of this graph to firing rate DSI 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...
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Lecture_11_04 - DSI VSI-b C2 VSI-a E-I I-E E-I-E VI.A.3....

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