Janet Chan

Visual contrast perception in visual snow syndrome reveals abnormal neural gain but not neural noise.

Cassandra J Brooks, Yu Man Chan, Joanne Fielding, Owen B White, David R Badcock, Allison M McKendrick

Journal article  |  2022  |  Brain

Visual snow syndrome is a neurological condition characterized by a persistent visual disturbance, visual snow, in conjunction wit..

Relating the cortical visual contrast gain response to spectroscopy-measured excitatory and inhibitory metabolites in people who experience migraine

Yu Man Chan, Rebecca Glarin, Bradford A Moffat, Stefan Bode, Allison M McKendrick

Journal article  |  2022  |  PLOS ONE

OBJECTIVE: This study aimed to determine whether the visual response to flickering checkerboard patterns measured using electroenc..

A Study Protocol for an Open-Label Feasibility Treatment Trial of Visual Snow Syndrome With Transcranial Magnetic Stimulation

Marissa Grande, Lucas Lattanzio, Isabelle Buard, Allison M McKendrick, Yu Man Chan, Victoria S Pelak

Journal article  |  2021  |  FRONTIERS IN NEUROLOGY

Background: Visual Snow (VS) syndrome is believed to be due to aberrant central visual processing. Positron Emission Tomography (P..

Orientation-dependency of perceptual surround suppression and orientation decoding of centre-surround stimuli are preserved with healthy ageing

Bao N Nguyen, Yu Man Chan, Stefan Bode, Allison M McKendrick

Journal article  |  2020  |  Vision Research

A key visual neuronal property that is mirrored in human behaviour is centre-surround contrast suppression, which is orientation-d..

Illusory Motion Perception Is Associated with Contrast Discrimination but Not Motion Sensitivity, Self-Reported Visual Discomfort, or Migraine Status

Chongyue He, Yu Man Chan, Allison Maree McKendrick, Bao Nguyen

Journal article  |  2020  |  INVESTIGATIVE OPHTHALMOLOGY & VISUAL SCIENCE

PURPOSE: Altered visual processing of motion and contrast has been previously reported in people with migraine. One possible manif..

Impacts of older age on the temporal properties of collinear facilitation

Yu Man Chan, Cassandra J Brooks, Allison M McKendrick

Journal article  |  2019  |  JOURNAL OF VISION

Collinear facilitation is a visual phenomenon by which the contrast detection threshold of a central target is reduced (facilitati..

Relating excitatory and inhibitory neurochemicals to visual perception: A magnetic resonance study of occipital cortex between migraine events

Yu Man Chan, Kabilan Pitchaimuthu, Qi-Zhu Wu, Olivia L Carter, Gary F Egan, David R Badcock, Allison M McKendrick

Journal article  |  2019  |  PLOS ONE

Certain perceptual measures have been proposed as indirect assays of brain neurochemical status in people with migraine. One such ..

41st European Conference on Visual Perception (ECVP) 2018 Trieste

Conference Proceedings  |  2019  |  Perception

Collinear Facilitation: Effects of Older Age and Temporal Asynchrony

Yu Man Chan, Cassandra J Brooks, Allison M McKendrick

Conference Proceedings  |  2019  |  PERCEPTION

Daily vision testing can expose the prodromal phase of migraine

Allison M McKendrick, Yu Man Chan, Algis J Vingrys, Andrew Turpin, David R Badcock

Journal article  |  2018  |  CEPHALALGIA

Background Several visual tasks have been proposed as indirect assays of the balance between cortical inhibition and excitation in..