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Graphics Interchange Format  |  2003-12-03  |  138KB  |  935x677  |  8-bit (254 colors)
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OCR: Canyas 9.0.1 [New Text Object Lavout Effects Image Window Help Paper Custom 700,000 pt Drawing scale: Grids Rulers Margins Text boxes Units points 500,000pt Guides Breaks Prirt area Spelling errors Select Across lavers -f' /144 |216 [360 432 [504 576 72 button button button button button button button logo Introduction The weakly electric fish Brachyhypopomus pinnicaudatus gen erates Electric Discharges EODs) for electroloca ation electric communication This sexually -dimorphic species is strictly nocturnal; courtship pue spa wning occur within the first hours of night. the EQD Photoperiodicity amplitude pue social duration environment of males change but not the females. magnitude of image T Does serotonin mediate changes ir the electric signal image circadian waveform rhythm associated p ...