Publications de Mauro Manassi | EPFL Graph Search

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Crowding, grouping, timing

Michael Herzog, Aaron Michael Clarke, Mauro Manassi, Vitaly Chicherov

In crowding, target perception is deteriorated by flanking elements. For example, when a vernier is flanked by two lines of the same length, vernier offset discrimination strongly deteriorates. Interestingly, changing the color of the flankers can reduce c ...

2014

How color, regularity, and good Gestalt determine backward masking

Michael Herzog, Bilge Sayim, Mauro Manassi

The strength of visual backward masking depends on the stimulus onset asynchrony (SOA) between target and mask. Recently, it was shown that the conjoint spatial layout of target and mask is as crucial as SOA. Particularly, masking strength depends on wheth ...

Association for Research in Vision and Ophthalmology2014

Crowding of crowding leads to uncrowding

Michael Herzog, Bilge Sayim, Mauro Manassi

In crowding, target discrimination is impaired by flanking elements. What happens if a target is neighbored by flankers A and in addition by further flankers B? According to pooling models, crowding is the consequence of averaging features of target and fl ...

2013

When crowding of crowding leads to uncrowding

Michael Herzog, Bilge Sayim, Mauro Manassi

In object recognition, features are thought to be processed in a hierarchical fashion from low-level analysis (edges and lines) to complex figural processing (shapes and objects). Here, we show that figural processing determines low-level processing. Verni ...

Association for Research in Vision and Ophthalmology2013

When crowding of crowding leads to uncrowding

Michael Herzog, Mauro Manassi

In peripheral crowding, target perception can be strongly deteriorated by nearby flankers. What happens if flanker “A” crowds flanker “B” and “B” crowds target “C”? At 9° eccentricity, we determined offset discrimination thresholds for verniers. When the v ...

2012

Grouping, pooling, and when bigger is better in visual crowding

Michael Herzog, Bilge Sayim, Mauro Manassi

In crowding, perception of a target is strongly deteriorated by nearby elements. Crowding is often explained by pooling models predicting that adding flankers increases crowding. In contrast, the centroid hypothesis proposes that adding flankers decreases ...

Association for Research in Vision and Ophthalmology2012

When the picture is complete, crowding disappears, and grouping rules

Michael Herzog, Gregory Francis, Mauro Manassi

In crowding, the perception of a target strongly deteriorates when flanked by neighboring elements. Crowding is often explained in terms of pooling, i.e., averaging target and flanker signals. The pooling hypothesis predicts stronger crowding when the numb ...

2012

When bigger is better

Michael Herzog, Bilge Sayim, Mauro Manassi

One of the main factors of crowding is the spacing between target and flankers. The closer the flankers are to the target, the stronger is crowding. Recently, it was proposed that crowding strength is determined by the distance between target and flanker c ...

2011

Grouping trumps pooling and centroids in crowding

Michael Herzog, Bilge Sayim, Mauro Manassi

In the periphery, discrimination of a target is usually impaired by flanking elements. This crowding effect is often explained in terms of pooling, ie target and flanker signals are averaged. The pooling hypothesis predicts stronger crowding when more flan ...

2011

Mauro Manassi

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Crowding, grouping, timing

How color, regularity, and good Gestalt determine backward masking

Crowding of crowding leads to uncrowding

Crowding and grouping: how much time is needed to process good Gestalt?

When crowding of crowding leads to uncrowding

When crowding of crowding leads to uncrowding

Grouping, pooling, and when bigger is better in visual crowding

When the picture is complete, crowding disappears, and grouping rules

When bigger is better

Grouping trumps pooling and centroids in crowding

When crowding of crowding leads to uncrowding

Crowding of crowding leads to uncrowding

When bigger is better

Crowding, grouping, timing

When crowding of crowding leads to uncrowding

Grouping, pooling, and when bigger is better in visual crowding

Grouping trumps pooling and centroids in crowding

When the picture is complete, crowding disappears, and grouping rules

Crowding and grouping: how much time is needed to process good Gestalt?

How color, regularity, and good Gestalt determine backward masking