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- Sep 2016
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scienceintheclassroom.org scienceintheclassroom.org
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(D) Without doublets, fish twitches also elicited attack volleys (10 trials each of two eels).
fig. 4 tab D: the eel even reacts to fish movement with an attact, when it didn't send out it's question "Is there living fish?". The doublet represents this question.
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(D) Example of high-voltage electric organ discharge for an attack preceded by a doublet.
Fig. 3 tab D: At 2: doublet of electric signal to find the fish Starting at 6: strong attack of the fish to paralyse it
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(D) Effect of curare. Red trace indicates strong electric organ discharge matched in time to unnormalized fish tension (green). Arrows indicate time of injections (fig. S3). Bar in (D) = 500 ms.
Fig. 2 tab D: red: the eel's cascades of electric shocks green: fish tension = fish moves After the fish is treated with curare (molecule, poison for chemical messenger), it doesn't react to the eel's shocks anymore
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