News

Oculomotor interference of bimodal distractors

Audiovisual distractors interfere with the correct programming of a saccade to a target. In this new study, we show that bimodal distractors evoke stronger oculomotor competition compared to unimodal distractors. We developed an elegant setup in which visual and auditory stimuli could be presented in spatial and temporal alignment to explore the influence of visual, auditory and audiovisual distractors on eye movements.

The pupillary light response reflects encoding, but not maintenance, in visual working memory

The pupillary light response has been shown not to be a purely reflexive mechanism, but to be sensitive to higher order perceptual processes, such as covert visual attention. In a new study we examined whether the pupillary light response is modulated by stimuli which are not physically present, but maintained in visual working memory.

Writing with your mind's eye: Researchers develop a way to write text through changes in the size of the eye's pupil

Researchers from CNRS / Aix-Marseille University (France) and Utrecht University (Netherlands) have developed a way to—literally—write text by thinking of letters. In this technique, several letters are presented on a computer screen. The color of these letters continuously changes from white to black and back again, in different patterns.

Visual input signaling threat gains preferential access to awareness (new paper by Surya Gayet)

Visual input that signals threat is inherently relevant to behavior. Accordingly, it has been demonstrated that threatening stimuli elicit faster behavioral responses than non-threatening stimuli. Considering that awareness is a prerequisite for performing demanding tasks and guiding novel behavior, visual input can be more adequately acted upon once it reaches awareness.

Stefan gekozen binnen De Jonge Akademie.

Jaarlijks kiest De Jonge Akademie tien nieuwe, talentvolle onderzoekers om haar gelederen te versterken. De Jonge Akademie is binnen de KNAW een zelfstandig platform van jonge topwetenschappers, met activiteiten op het gebied van interdisciplinariteit, wetenschapsbeleid, wetenschap en samenleving, en internationalisering.

ORA Grant

As part of an ORA-grant with Daniel Smith from Durham University and Thomas Schenk from Ludwig Maximilians University, Stefan received €300.000 for a project investigating the link between attention and motor control.

New paper on the relation between attention and eye movements

Many studies have found a strong coupling between selective attention and eye movements. While it has already been shown that the attentional shift is not directly coupled to the final stages of motor execution, it is currently unknown to what aspect of the earlier stages of saccade preparation the attentional shift is coupled.

Race starts could give some athletes an unfair advantage.

Champion sprinter Linford Christie once said that he started races ‘on the B of the bang’, but research from Oxford and Utrecht universities says the pause before the bang could also make the difference between success and failure. Their results are published in the journal Frontiers in Psychology.

The relative contributions of multisensory integration and crossmodal exogenous spatial attention to multisensory response enhancement (New paper)

The localization of multisensory information is generally faster than that of unisensory information when the unimodal components of a multisensory stimulus are spatially and temporally aligned. Two processes that can cause multisensory response enhancement are multisensory integration and crossmodal exogenous spatial attention.

Procedural learning and memory rehabilitation in Korsakoff’s syndrome (New Review)

Korsakoff’s syndrome is a severe neuropsychiatric syndrome that affects memory and executive functions after chronic alcoholism and vitamine B1 deficiency. Erik, together with Stefan, Tanja Nijboer, Jan Wijnia and Albert Postma published a review on procedural learning and memory rehabilitation in the June issue of Neuropsychology Review.

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