DOI: 10.5061/dryad.12751
title: Data from: Microsaccadic sampling of moving image information provides Drosophila hyperacute vision

description: Small fly eyes should not see fine image details. Because flies exhibit
 saccadic visual behaviors and their compound eyes have relatively few
 ommatidia (sampling points), their photoreceptors would be expected to
 generate blurry and coarse retinal images of the world. Here we
 demonstrate that Drosophila see the world far better than predicted from
 the classic theories. By using electrophysiological, optical and
 behavioral assays, we found that R1-R6 photoreceptors' encoding
 capacity in time is maximized to fast high-contrast bursts, which resemble
 their light input during saccadic behaviors. Whilst over space, R1-R6s
 resolve moving objects at saccadic speeds beyond the predicted
 motion-blur-limit. Our results show how refractory phototransduction and
 rapid photomechanical photoreceptor contractions jointly sharpen retinal
 images of moving objects in space-time, enabling hyperacute vision, and
 explain how such microsaccadic information sampling exceeds the compound
 eyes' optical limits. These discoveries elucidate how acuity depends
 upon photoreceptor function and eye movements.
description: Figure 1 (all responses
 to stimuli)Origin (OriginLab
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 (data from all cells)Origin (OriginLab
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 1Figure 2 (SNR,
 infromation and efficiency)Origin (OriginLab
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 (eye-movement noise)Origin (OriginLab
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 Suplement 4Origin (OriginLab
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 responses SNR info)Origin (OriginLab
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 cells)Origin (OriginLab
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 1Figure 7 (all two dots
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 and hdc DA RFs)Origin (OriginLab
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 1Figure 7-Fig Supl 2 (WT
 and hdc LA RFs)Origin (OriginLab
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 (microsaccades)Origin (OriginLab
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 (WToutput 205 and 409 degs)Origin (OriginLab
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 1Figure 9 (hyperacuity
 predictions)Origin (OriginLab
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 (hyperacuity at 25C)Origin (OriginLab
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 1Figure 10 (hyperacute
 optomotor experiments)Origin (OriginLab
 software) file that contains the data for Figure 10Figure 10-Fig Supl 1
 (all hyperacuity data)Origin (OriginLab
 software) file that contains the data for Figure 10-Figure Supplement
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