Arc Centre of Excellence in Vision Sciences

Multifocal pupillographic objective perimetry for assessment of early diabetic retinopathy and generalised diabetes-related tissue injury in persons with type 1 diabetes

F Sabeti, CF Carle, CJ Nolan, AJ Jenkins, AC James, L Baker, CE Coombes, V Cheung, M Chiou, T Maddess

2022-12-01

Background: To examine the potential utility of five multifocal pupillographic objective perimetry (mfPOP) protocols, in the asses..

Sensory experience modifies feature map relationships in visual cortex

SL Cloherty, NJ Hughes, MA Hietanen, PS Bhagavatula, GJ Goodhill, MR Ibbotson

2016-06-16

The extent to which brain structure is influenced by sensory input during development is a critical but controversial question. A ..

Contrast and response gain control depend on cortical map architecture

MA Hietanen, SL Cloherty, MR Ibbotson

2015-12-01

Visual cortical neurons are sensitive to visual stimulus contrast and most cells adapt their sensitivity to the prevailing visual ..

Spatial phase sensitivity of complex cells in primary visual cortex depends on stimulus contrast

H Meffin, MA Hietanen, SL Cloherty, MR Ibbotson

2015-12-01

Neurons in primary visual cortex are classified as simple, which are phase sensitive, or complex, which are significantly less pha..

Saccade-induced image motion cannot account for post-saccadic enhancement of visual processing in primate MST

SL Cloherty, NA Crowder, MJ Mustari, MR Ibbotson

2015-09-01

Primates use saccadic eye movements to make gaze changes. In many visual areas, including the dorsal medial superior temporal area..

Contrast-dependent phase sensitivity in v1 but not v2 of macaque visual cortex

SL Cloherty, MR Ibbotson

2015-01-01

Some neurons in early visual cortex are highly selective for the position of oriented edges in their receptive fields (simple cell..

Optimizing the Electrical Stimulation of Retinal Ganglion Cells

AE Hadjinicolaou, CO Savage, NV Apollo, DJ Garrett, SL Cloherty, MR Ibbotson, BJ O'Brien

2015-01-01

Epiretinal prostheses aim to restore visual perception in the blind through electrical stimulation of surviving retinal ganglion c..

Stripe-rearing changes multiple aspects of the structure of primary visual cortex

NJ Hughes, JJ Hunt, SL Cloherty, MR Ibbotson, F Sengpiel, GJ Goodhill

2014-07-15

An important example of brain plasticity is the change in the structure of the orientation map in mammalian primary visual cortex ..

Behavioral Lateralization and Optimal Route Choice in Flying Budgerigars

PS Bhagavatula, C Claudianos, MR Ibbotson, MV Srinivasan

2014-01-01

Birds flying through a cluttered environment require the ability to choose routes that will take them through the environment safe..

A universal strategy for visually guided landing

E Baird, N Boeddeker, MR Ibbotson, MV Srinivasan

2013-11-12

Landing is a challenging aspect of flight because, to land safely, speed must be decreased to a value close to zero at touchdown. ..

Intrinsic physiological properties of rat retinal ganglion cells with a comparative analysis

RCS Wong, SL Cloherty, MR Ibbotson, BJ O'Brien

2012-10-01

Mammalian retina contains 15-20 different retinal ganglion cell (RGC) types, each of which is responsible for encoding different a..

Colour and pattern selectivity of receptive fields in superior colliculus of marmoset monkeys

C Tailby, SK Cheong, AN Pietersen, SG Solomon, PR Martin

2012-08-01

The main subcortical visual targets of retinal output neurones (ganglion cells) are the parvocellular and magnocellular layers of ..

Optic flow cues guide flight in birds

PS Bhagavatula, C Claudianos, MR Ibbotson, MV Srinivasan

2011-11-08

Although considerable effort has been devoted to investigating how birds migrate over large distances, surprisingly little is know..

Visual perception and saccadic eye movements

M Ibbotson, B Krekelberg

2011-08-01

We use saccades several times per second to move the fovea between points of interest and build an understanding of our visual env..

DICER1 deficit induces Alu RNA toxicity in age-related macular degeneration

H Kaneko, S Dridi, V Tarallo, BD Gelfand, BJ Fowler, WG Cho, ME Kleinman, SL Ponicsan, WW Hauswirth, VA Chiodo, K Karikó, JW Yoo, DK Lee, M Hadziahmetovic, Y Song, S Misra, G Chaudhuri, FW Buaas, RE Braun, DR Hinton

2011-03-17

Geographic atrophy (GA), an untreatable advanced form of age-related macular degeneration, results from retinal pigmented epitheli..

Human scotopic dark adaptation: Comparison of recoveries of psychophysical threshold and ERG b-wave sensitivity

R Ruseckaite, TD Lamb, MJ Pianta, AM Cameron

2011-01-01

We have compared the time course of dark adaptation of the human scotopic visual system, measured psychophysically and from the b-..

A three-dimensional atlas of the Honeybee Neck

RP Berry, MR Ibbotson

2010-09-17

Three-dimensional digital atlases are rapidly becoming indispensible in modern biology. We used serial sectioning combined with ma..

Complex cell receptive fields: Evidence for a hierarchical mechanism

JP van Kleef, SL Cloherty, MR Ibbotson

2010-09-01

Simple cells in the primary visual cortex have segregated ON and OFF subregions in their receptive fields, while complex cells hav..

Independence in the processing of first- and second-order motion signals at the local-motion-pooling level

M Edwards, O Metcalf

2010-02-08

The interaction of first- and second-order motion signals at the local-motion-pooling level were investigated using locally-paired..

Differential changes in perceived contrast following contrast adaptation in humans

MA Hietanen, SL Cloherty, CWG Clifford, MR Ibbotson

2010-01-11

Perceived contrast is reduced after prolonged exposure to a textured pattern (contrast adaptation). The size of this effect is dep..

Direction and contrast tuning of macaque MSTd neurons during saccades

NA Crowder, NSC Price, MJ Mustari, MR Ibbotson

2009-06-01

Saccades are rapid eye movements that change the direction of gaze, although the full-field image motion associated with these mov..

Dark adaptation recovery of human rod bipolar cell response kinetics estimated from scotopic b-wave measurements

AM Cameron, L Miao, R Ruseckaite, MJ Pianta, TD Lamb

2008-11-15

We recorded ganzfeld scotopic ERGs to examine the responses of human rod bipolar cells in vivo, during dark adaptation recovery fo..

Saccadic modulation of neural responses: Possible roles in saccadic suppression, enhancement, and time compression

MR Ibbotson, NA Crowder, SL Cloherty, NSC Price, MJ Mustari

2008-10-22

Humans use saccadic eye movements to make frequent gaze changes, yet the associated full-field image motion is not perceived. The ..

Dynamic contrast change produces rapid gain control in visual cortex

NA Crowder, MA Hietanen, NSC Price, CWG Clifford, MR Ibbotson

2008-09-19

During normal vision, objects moving in the environment, our own body movements and our eye movements ensure that the receptive fi..

Differential changes in human perception of speed due to motion adaptation

MA Hietanen, NA Crowder, MR Ibbotson

2008-08-11

Visual systems adapt to the prevailing image conditions. This improves the ability to discriminate between two similar stimuli but..