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@ARTICLE{Born:828064,
author = {Born, Sabine and Krüger, Hannah M. and Zimmermann, Eckart
and Cavanagh, Patrick},
title = {{C}ompression of {S}pace for {L}ow {V}isibility {P}robes},
journal = {Frontiers in systems neuroscience},
volume = {10},
issn = {1662-5137},
address = {Lausanne},
publisher = {Frontiers Research Foundation},
reportid = {FZJ-2017-02069},
pages = {Article 21},
year = {2016},
abstract = {Stimuli briefly flashed just before a saccade are perceived
closer to the saccade target, a phenomenon known as
perisaccadic compression of space (Ross et al., 1997). More
recently, we have demonstrated that brief probes are
attracted towards a visual reference when followed by a
mask, even in the absence of saccades (Zimmermann et al.,
2014a). Here, we ask whether spatial compression depends on
the transient disruptions of the visual input stream caused
by either a mask or a saccade. Both of these degrade the
probe visibility but we show that low probe visibility alone
causes compression in the absence of any disruption. In a
first experiment, we varied the regions of the screen
covered by a transient mask, including areas where no
stimulus was presented and a condition without masking. In
all conditions, we adjusted probe contrast to make the probe
equally hard to detect. Compression effects were found in
all conditions. To obtain compression without a mask, the
probe had to be presented at much lower contrasts than with
masking. Comparing mislocalizations at different probe
detection rates across masking, saccades and low contrast
conditions without mask or saccade, Experiment 2 confirmed
this observation and showed a strong influence of probe
contrast on compression. Finally, in Experiment 3, we found
that compression decreased as probe duration increased both
for masks and saccades although here we did find some
evidence that factors other than simply visibility as we
measured it contribute to compression. Our experiments
suggest that compression reflects how the visual system
localizes weak targets in the context of highly visible
stimuli.},
cin = {INM-3},
ddc = {610},
cid = {I:(DE-Juel1)INM-3-20090406},
pnm = {572 - (Dys-)function and Plasticity (POF3-572)},
pid = {G:(DE-HGF)POF3-572},
typ = {PUB:(DE-HGF)16},
pubmed = {pmid:27013989},
UT = {WOS:000371763000001},
doi = {10.3389/fnsys.2016.00021},
url = {https://juser.fz-juelich.de/record/828064},
}