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Ageing and visual spatiotemporal processing

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The effects of ageing on visual spatiotemporal processing

Michael Herzog

In a previous study, we showed that visual spatiotemporal processing deteriorates with healthy ageing (Roinishvili et al, 2011, Vision Research, 51(4):417-23). Here, we used backward masking to investigate the underlying mechanisms. First, thirty-three old ...

Pion Ltd2014

A Bee in the Mirror: A Bio-Inspired Model for Vision Based Mid-Air Collision Avoidance

Julien Jean Denis Nicolas Lecoeur

The objective of much robotics research in recent years has been to develop lightweight autonomous flying robots. Applications for these aircrafts are numerous, including natural disaster monitoring, mapping, and search-and-rescue missions. One of the majo ...

2013

Aging biomarkers

Johan Auwerx, Richardus Houtkooper

The present invention relates to novel biomarkers for aging and healthspan, methods and uses thereof, in particular, for determining the biological age of a subject and/or preventing or delaying aging process in a subject, and kits for use in said methods. ...

2013

The journey of resveratrol from yeast to human

Johan Auwerx

The natural polyphenolic compound resveratrol was first discovered in the 1940s. In the recent years, this compound received renewed interest as several findings implicated resveratrol as a potent SIRT1 activator capable of mimicking the effects of calorie ...

2012

The journey of resveratrol from yeast to human

Johan Auwerx

2012

Testing dynamical models of vision

Michael Herzog, Gregory Francis, Johannes Rüter

Most models of vision focus either on the spatial or temporal aspects of visual processing and neglect the other component. A variety of studies have shown, however, that spatial and temporal processing cannot easily be separated. The shine-through effect ...

Elsevier2011

Accelerated ageing and degradation in poly-L-lactide/hydroxyapatite nanocomposites

Pierre-Etienne Bourban, John Christopher Plummer, Claire Diane Delabarde

Dry, compression molded films of medical grade poly-L-lactide (PLLA) showed a marked reduction in tensile strength and strain after accelerated ageing in aqueous NaOH at 50 degrees C. accompanied by mass loss, surface erosion, increased hydrophilicity and, ...

Elsevier2011

Nonretinotopic Exogenous Attention

Michael Herzog, Marco Boi, Marcus Leonardus Vergeer

Attention is crucial for visual perception because it allows the visual system to effectively use its limited resources by selecting behaviorally and cognitively relevant stimuli from the large amount of information impinging on the eyes. Reflexive, stimul ...

Elsevier2011

Time course of visual information processing in adolescents

Michael Herzog

Visual backward masking is a well suited technique to investigate intact and deficient visual information processing. Whereas visual backward masking has been studied extensively in adult populations, there is only a limited number of investigations in ado ...

2010

Visual Activity Context For Focus of Attention Estimation in Dynamic Meetings

Jean-Marc Odobez, Silèye Oumar Ba

We address the problem of recognizing, in dynamic meetings in which people do not remain seated all the time, the visual focus of attention (VFOA) of seated people from their head pose and contextual activity cues. We propose a model that comprises the VFO ...

2009