Data from: Touch sensation by pectoral fins of the catfish Pimelodus pictus

Hardy AR, Steinworth BM, Hale ME

Date Published: January 15, 2016

DOI: http://dx.doi.org/10.5061/dryad.2c760

 

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Title Pictus Swimming Kinematics
Downloaded 4 times
Description Excel file containing pectoral fin and tail angles relative to the body axis measured across non-consecutive bouts of free rhythmic swimming. For each fish (n = 5) and trial (5 trials per fish), angles were measured at each eighth of the tail-beat cycle, including the beginning and end of the cycle, for a total of nine time points per cycle. Data on the cycle duration for each trial analyzed are also included.
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Title ppBend_Data
Downloaded 3 times
Description Excel file containing pectoral fin ray afferent responses to fin ray bending. Fin rays were exposed to a series of step-and-hold (1.2, 1.8, 2.4, 3.0, and 3.6 mm) and ramp-and-hold (0.8, 1.2, 2.4, 4.8, 9.6 mm/s; final displacement fixed at 2.4mm) bending stimuli. The hold period during fin ray bending trials was 5s. A burst of action potentials was classified as three or more spikes occurring within 50ms of each other. Each stimulus was divided into several temporal segments (i.e. bins) for analysis. Stimulus segment timing for step-and-hold trials: Prestart (0.5s prestimulus baseline), Start (stimulus onset to 1s afterwards), Hold (1.0s to 4.5s), and End (stimulus offset to 1s afterwards). Stimulus segment timing for ramp-and-hold trials: Prestart (0.5s prestimulus baseline), Start (duration of start ramp), Poststart (1s post-start ramp interval), Hold (1s hold interval), End (duration of the end ramp), and Postend (1s post-end ramp interval). Characteristics associated with a burst of action potentials during step-and-hold trials were analyzed only during Start and End stimulus segments. Bursts were not always recorded.
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Title ppPush_Data
Downloaded 4 times
Description Excel file containing pectoral fin ray afferent responses to pressure. Fin rays were exposed to a series of step-and-hold (0.12, 0.3, 0.6, 1.2, 1.8mm) and ramp-and-hold (1.2, 2.4, 12, 24, 48mm/sec; final amplitude of 1.2mm) pressure stimuli. The hold period during fin ray bending trials was 3s. A burst of action potentials was classified as three or more spikes occurring within 50ms of each other. Each stimulus was divided into several temporal segments (i.e. bins) for analysis. Stimulus segment timing for step-and-hold trials Prestart (0.5s prestimulus baseline), Start (stimulus onset to 1s afterwards), Hold (1.0s to 2.0s), and End (stimulus offset to 1s afterwards). Stimulus segment timing for ramp-and-hold trials: Prestart (0.5s prestimulus baseline), Start (duration of start ramp), Poststart (1s post-start ramp interval), Hold (1s hold interval), End (duration of the end ramp), and Postend (1s post-end ramp interval). Characteristics associated with a burst of action potentials during step-and-hold trials were recorded only during Start and End stimulus segments. Bursts were not always recorded.
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Title ppBrush_Data
Downloaded 4 times
Description Excel file containing pectoral fin ray afferent responses to surface brushing. Fin rays were exposed to a series of extensions at different distances (0.6, 1.2, 2.4, 3.6, 4.8mm at 2mm/sec) and velocities (0.6, 1.2, 2.4, 3.6, 4.8mm/sec; final brushing distance held constant at 2.4mm). Each stimulus was divided into several temporal segments (i.e. bins) for analysis. Stimulus segment timing: Prestart (0.5s prestimulus baseline), Start (duration of start ramp), Poststart (1s post-start ramp interval), Hold (1s hold interval), End (duration of the end ramp), and Postend (1s post-end ramp interval).
Download ppBrush_Data.xlsx (141.5 Kb)
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When using this data, please cite the original publication:

Hardy AR, Steinworth BM, Hale ME (2016) Touch sensation by pectoral fins of the catfish Pimelodus pictus. Proceedings of the Royal Society B 283(1824): 20152652. http://dx.doi.org/10.1098/rspb.2015.2652

Additionally, please cite the Dryad data package:

Hardy AR, Steinworth BM, Hale ME (2016) Data from: Touch sensation by pectoral fins of the catfish Pimelodus pictus. Dryad Digital Repository. http://dx.doi.org/10.5061/dryad.2c760
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