File:Jamming Avoidance Response Eigenmannia.png

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English: The Jamming Avoidance Response (or J.A.R.) of the weakly electric fish, Eigenmannia virescens
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Author Cdh8 Carl D. Hopkins; Department of Neurobiology and Behavior, Cornell University, Ithaca, NY

Original photo by Carl D. Hopkins, Cornell University. Identified as: Eigenmannia virescens from Apure River in Venezuela.

When one individual fish with an electric discharge of 400 Hz encounters a second individual with the same frequency, one fish shifts its frequency upward while the other shifts its frequency downward. This behavior prevents jamming of the electrolocation abilities of both fish which are compromised when an external electrical signal with within plus or minus four Hertz of a fish's own discharge frequency. The study of the Jamming Avoidance and its neural basis is a successful example of tracing the neural circuits of a complex behavior from its sensory inputs to the motor output.

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Date/TimeThumbnailDimensionsUserComment
current15:27, 10 May 2022Thumbnail for version as of 15:27, 10 May 2022883 × 469 (79 KB)Chiswick Chap (talk | contribs)Cropped deadpace
16:23, 10 December 2009Thumbnail for version as of 16:23, 10 December 2009960 × 603 (201 KB)Cdh8 (talk | contribs){{Information |Description={{en|1=The Jamming Avoidance Response of the weakly electric fish, Eigenmannia virescens}} |Source={{own}} |Author=Cdh8 |Date=2009-12-09 |Permission= |other_versions= }} Original photo by Carl D. Hopkins, Cornell U

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