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Lukasz Grzeczkowski

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Publications associées (33)

Perceptual learning is specific beyond vision and decision making

Michael Herzog, Fred Mast, Aline Françoise Cretenoud, Lukasz Grzeczkowski

Perceptual learning is usually assumed to occur within sensory areas or when sensory evidence is mapped onto decisions. Subsequent procedural and motor processes, involved in most perceptual learning experiments, are thought to play no role in the learning ...

Association for Research in Vision and Ophthalmology2017

Does sensitivity in binary choice tasks depend on response modality?

Michael Herzog, Izabela Szumska, Lukasz Grzeczkowski

In most models of vision, a stimulus is processed in a series of dedicated visual areas, leading to categorization of this stimulus, and possible decision, which subsequently may be mapped onto a motor-response. In these models, stimulus processing is thou ...

Elsevier2016

Hyper-specificity of perceptual learning

Lukasz Grzeczkowski

Perceptual learning is the ability to improve perception through practice. Perceptual learning is usually specific for the task and the stimulus features trained with. For example, training orientation discrimination with vertically oriented stimuli does n ...

EPFL2016

Response mode specificity of perceptual learning

Michael Herzog, Fred Mast, Lukasz Grzeczkowski

Association for Research in Vision and Ophthalmology2016

Visual perceptual learning of a task-irrelevant feature of the stimulus

Michael Herzog, Lukasz Grzeczkowski, Jessica Galliussi

Awareness, focused attention, and task-relevance were thought to be necessary for perceptual learning (PL): a Feature of the Stimulus (FoS) on which participants perform a task is learned, while a task-irrelevant FoS is not learned. This view has been chal ...

Sage Publications Ltd2016

Tell me about your Ponzo and I will tell you who you are

Michael Herzog, Fred Mast, Aaron Michael Clarke, Lukasz Grzeczkowski

Unlike in cognition, audition and somatosensation, performance between various visual tasks does not correlate. Surprisingly, even tasks that appear similar, like visual acuity and line bisection task do not share much common variance. Similar results were ...

2016

No correlations between the magnitude of visual illusions

Michael Herzog, Fred Mast, Aaron Michael Clarke, Lukasz Grzeczkowski

In cognition, audition and somatosensation, performance correlates strongly between different tasks suggesting the existence of common factors. Surprisingly, this does not hold true for vision. For example, Vernier acuity and Gabor detection correlate very ...

Association for Research in Vision and Ophthalmology2015

Linking perceptual learning with identical stimuli to imagery perceptual learning

Michael Herzog, Fred Mast, Elisa Tartaglia, Lukasz Grzeczkowski

Perceptual learning is usually thought to be exclusively driven by the stimuli presented during training (and the underlying synaptic learning rules). In some way, we are slaves of our visual experiences. However, learning can occur even when no stimuli ar ...

Association for Research in Vision and Ophthalmology2015

No correlations between visual illusion strength

Michael Herzog, Fred Mast, Aaron Michael Clarke, Lukasz Grzeczkowski

2015

No correlations between the strength of visual illusions

Michael Herzog, Fred Mast, Aaron Michael Clarke, Lukasz Grzeczkowski

In cognition, audition, and somatosensation, performance correlates strongly between different paradigms suggesting the existence of common factors. Surprisingly, this does not hold true for vision. For example, performance in line bisection and visual acu ...

Sage Publications Ltd2015

Visual-induced expectations modulate auditory cortical responses

Lukasz Grzeczkowski

Active sensing has important consequences on multisensory processing (Schroeder et al.,2010). Here, we asked whether in the absence of saccades, the position of the eyes and the timing of transient color changes of visual stimuli could selectively affect t ...

Frontiers Research Foundation2015

Perceptual Learning With Only One Stimulus

Michael Herzog, Fred Mast, Elisa Tartaglia, Lukasz Grzeczkowski

Perceptual learning is learning to see. For example in a bisection task, three parallel lines are presented with the central line slightly offset towards the right or the left outer line. Participants indicate the offset direction. Training gradually impro ...

2014

Deleterious effects of roving on learned tasks

Michael Herzog, Fred Mast, Aaron Michael Clarke, Lukasz Grzeczkowski

In typical perceptual learning experiments, one stimulus type (e.g., a bisection stimulus offset either to the left or right) is presented per trial. In roving, two different stimulus types (e.g., a 30' and a 20' wide bisection stimulus) are randomly inter ...

Pergamon-Elsevier Science Ltd2014

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