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@ARTICLE{Mller:136759,
author = {Müller, Notger G and Strumpf, H. and Scholz, M. and Baier,
B. and Melloni, L.},
title = {{R}epetition suppression versus enhancement--it's quantity
that matters.},
journal = {Cerebral cortex},
volume = {23},
number = {2},
issn = {1047-3211},
address = {Oxford},
publisher = {Oxford Univ. Press},
reportid = {DZNE-2020-03081},
pages = {315-322},
year = {2013},
abstract = {Upon repetition, certain stimuli induce reduced neural
responses (i.e., repetition suppression), whereas others
evoke stronger signals (i.e., repetition enhancement). It
has been hypothesized that stimulus properties (e.g.,
visibility) determine the direction of the repetition
effect. Here, we show that the very same stimuli can induce
both repetition suppression and enhancement, whereby the
only determining factor is the number of repetitions.
Repeating the same, initially novel low-visible pictures of
scenes for up to 5 times enhanced the blood oxygen
level-dependent (BOLD) response in scene-selective areas,
that is, the parahippocampal place area (PPA) and the
transverse occipital sulcus (TOS), presumably reflecting the
strengthening of the internal representation. Additional
repetitions (6-9) resulted in progressively attenuated
neural responses indicating a more efficient representation
of the now familiar stimulus. Behaviorally, repetition led
to increasingly faster responses and higher visibility
ratings. Novel scenes induced the largest BOLD response in
the PPA and also higher activity in yet another
scene-selective region, the retrospenial cortex (RSC). We
propose that 2 separable processes modulate activity in the
PPA: one process optimizes the internal stimulus
representation and involves TOS and the other differentiates
between familiar and novel scenes and involves RSC.},
keywords = {Adolescent / Adult / Brain: physiology / Brain Mapping /
Female / Humans / Magnetic Resonance Imaging / Male / Photic
Stimulation / Recognition, Psychology: physiology / Young
Adult},
cin = {AG Müller},
ddc = {610},
cid = {I:(DE-2719)1310003},
pnm = {344 - Clinical and Health Care Research (POF3-344)},
pid = {G:(DE-HGF)POF3-344},
typ = {PUB:(DE-HGF)16},
pubmed = {pmid:22314047},
doi = {10.1093/cercor/bhs009},
url = {https://pub.dzne.de/record/136759},
}