Leek, E.C., Patterson, C., Rafal, R. & Cristino, F. (2012). Eye movements during object recognition in a case of integrative visual agnosia. Annual Meeting of the Vision Sciences Society, Naples, Florida.

 

Johnston, S., Leek, E.C. & Cristino, F. (2012). A gaze contingent object recognition paradigm for testing the advantage of viewing specific regions of novel objects. Annual Meeting of the Vision Sciences Society, Naples, Florida.

 

Cristino, F., Conlan, L. & Leek, E.C. (2012). The appearance of shape in visual perception: Eye movement patterns during recognition and reaching. The 3rd International Conference on Appearance, Edinburgh, UK.

 

Cristino, F., Patterson, C. & Leek, E.C. (2012). Looking from different viewpoints: An eye movement study of novel objects and faces. Annual Meeting of the Vision Sciences Society, Naples, Florida.

 

Patterson, C., Arnold, P., Cristino, F., Hayward, W. & Leek, E.C. (2012). Stereo information benefits view generalisation during object recognition. Annual Meeting of the Vision Sciences Society, Naples, Florida.

 

Kerai. J., Johnston, S.J. & Leek, E.C. (2012). Domain-specific spatial remapping in the Supplementary Motor Area: Evidence from visual- but not auditory-spatial transformation deficits in Parkinson's disease. European Society for Cognitive Neuropsychology. Bressanone, Italy.

 

Cristino, F., Patterson, C. & Leek, E.C. (2011). Viewpoint consistency: An eye movement study. Applied Vision Association, York University.

 

Leek, E.C. (2011). The eyes as the window to the soul: Understanding the mystery of human vision. Keynote Speaker: British Psychological Society Welsh Branch Annual Meeting.

 

Cristino, F., Patterson, C., Leek, E.C. (2011). 3D object recognition: Where do we look in depth? European Conference on Visual Perception, Toulouse, France

 

Cristino, F., Patterson, C. & Leek, E.C. (2011). Consistency of 3D eye movement sequences using ScanMatch during object recognition. European Conference on Eye Movements (ECEM). Marseille, France.

 

Patterson, C., Arnold, P., Cristino, F., Hayward, W. & Leek, E.C. (2011). Interpolation processes facilitated by stereoscopic depth information during encoding and retrieval of object representations. European Conference on Visual Perception, Toulouse, France.

 

Leek, E.C., Kerai, J., Hindle, J.V., Bracewell, R.M. & Johnston, S. (2011). Domain-general spatial vector transformation in Supplementary Motor Area (SMA): Evidence from fMRI and visuo-spatial processing deficits in Parkinsons disease. Platform Talk, Cognitive Neuroscience Society, San Fransisco, USA.

 

Johnston, S. & Leek, E.C. (2011). The role of pre-supplementary motor area in the computation of abstract spatial transformations. Cognitive Neuroscience Society, San Fransisco, USA.

 

Conlan, L., Cristino, F., Patterson, L.C., Johnston, S. & Leek, E.C. (2011). Eye movement patterns during the perception of 3D object shape: Preferential fixation for regions with concave surface curvature minima. Cognitive Neuroscience Society, San Fransisco, USA.

 

Cristino, F., Conlan, L., Patterson, L.C. & Leek. E.C. (2010). Eye movement patterns during object recognition using stereo stimuli. Applied Vision Association, Paris, France

 

Leek, E.C., Kerai, J., Hindle, J.V. & Bracewell, R.M. (2010). Visuospatial vector transformations in Parkinsons disease. 14th Congress of the European Federation of Neurological Societies. Geneva, Switzerland.

 

Kerai, J., Hindle, J., Bracewell, R.M. & Leek, E.C. (2010). Effects of pre-SMA dysfunction and the variability of visuo-spatial impairments in Parkinsons disease. 7th International Congress on Mental Dysfunctions & Other Non-Motor features in Parkinson's Disease, Barcelona, Spain.

 

Leek, E.C. (2010). Functional specialisation in Supplementary Motor Area: Evidence from fMRI and visuo-spatial transformation deficits in Parkinsons disease. Departmental Seminar Series, Department of Cognitive Science, Johns Hopkins University, USA.

 

Leek, E.C. (2010). Functional specialisation in Supplementary Motor Area: Evidence from fMRI and visuo-spatial transformation deficits in Parkinsons disease. Departmental Seminar Series, School of Psychology, Pierre Mendes France University, Grenoble.

 

Leek, E.C. (2010). Functional specialisation in Supplementary Motor Area: Evidence from fMRI and visuo-spatial transformation deficits in Parkinsons disease. Geneva University Hospital, Brain and Cognition Seminar Series.

 

Arnold, P.J. & Leek, E.C. (2010). Effects of spatial scale in the analyses of object shape during recognition. Vision Sciences Society, Florida, USA.

 

Conlan, L., Wong, A. & Leek, E.C. (2010). Fixational eye movement patterns during object recognition: Effects of expertise and level of classification. Vision Sciences Society, Florida, USA.

 

Johnston, S.J. & Leek, E.C. (2010). Functional specialization in Supplementary Motor Area (SMA): Evidence from functional magnetic resonance imaging. Vision Sciences Society, Florida, USA.

 

Leek, E.C., Bracewell, RM., Hindle, J. & Johnston, S. (2010). Functional specialization in Supplementary Motor Area (SMA): Evidence from visuo-spatial transformation deficits in Parkinsons disease. Vision Sciences Society, Florida, USA.

 

Leek, E.C. (2009). Fixational eye movement patterns reveal local shape analyses during object recognition in human vision. Departmental Seminar, School of Psychology, University of York.

 

Leek, E.C., Reppa, I. & Watt, S. (2009). Facilitatory and inhibitory processes in object-based visual selection. Wales Institute for Cognitive Neuroscience Conference, Deganwy, Wales.

 

Leek, E.C., Roberts, M., Reppa, I. & Pegna, A. (2009). What is so special about the N170? Modulation of N170 by geometric shape attributes of three-dimensional objects. Vision Sciences Society, Naples, Florida.

 

Arnold, P.J., Lloyd-Jones, T. & Leek, E.C. (2009). The role of shadow in 3D object representation: Evidence from shadow-specific priming. Vision Sciences Society, Naples, Florida.

 

Leek, E.C., Reppa, I., Watt, S. & Pegna, A. (2008). An electrophysiological investigation of the time course of 3D shape encoding. University of Swansea. November.

 

Reppa, I. & Leek, E.C. (2008). Surface connectivity effects in three-dimensional object recognition. Poster presented at Experimental Psychology Society, Liverpool Meeting. July

 

Arnold, P.J. & Leek, E.C. (2008). Shadows, shape and 3D object recognition. Poster presented at Experimental Psychology Society, Liverpool Meeting. July.

 

Leek, E.C. (2008). Beyond the viewpoint debate: Putting structure (back) into theories of 3D object shape representation. Talk given at the Experimental Psychology Society Symposium on Object Representation, Recognition and Categorisation. University of Liverpool.

 

Leek, E.C. (2008). Constraints on models of machine vision from eye movement studies of three-dimensional object recognition in human vision. School of Mathematics and Computer Science & Department of Psychology, Heriot Watt University, Edinburgh.

 

Leek, E.C. (2008). Three-dimensional object representation in human vision. Invited talk, School of Computer Science, Cardiff University.

 

Reppa, I. & Leek, E.C. (2008). Effects of viewing time and viewpoint change on 3D shape recognition: Evidence for the role of non-volumetric primitives in 3D shape representation. Poster presented at 8th Annual Meeting of the Vision Sciences Society, Naples, Florida. Journal of Vision.

 

Johnston, S. & Leek, E.C. (2008). Fixation region overlap analysis (FROA): A data driven approach to hypothesis testing using eye gaze fixation data. Poster presented at 8th Annual Meeting of the Vision Sciences Society, Naples, Florida. Journal of Vision.

 

Leek, E.C. & Johnston, S. (2008) Fixation locations during three-dimensional object recognition are predicted by image segmentation points at concave surface intersections. Platform Talk at the 8th Annual Meeting of the Vision Sciences Society, Naples, Florida. Journal of Vision.

 

Thacker, N.A. & Leek, E.C. (2007). Retinal sampling, feature detection and saccades. A statistical perspective. Talk given British Machine Vision Conference, Warwick, UK.

 

Reppa, I. & Leek, E.C. (2007). The structure of three-dimensional object representations for regular and irregular shapes: Evidence from whole-part matching and repetition priming. Vision Science Society, Sarasota, Florida. Journal of Vision.

 

Leek, E.C., (2007). Uncovering the structure of 3-D shape representations in human vision through analyses of eye movement patterns in object recognition. Vision Science Society, Sarasota, Florida. Journal of Vision.

 

Leek, E.C. (2007). Object recognition in human vision. Invited talk, School of Psychology, University of Aston, UK.

 

Leek, E.C. (2006). Three-dimensional object representation in human vision. Invited talk University of Montreal, Québec. Canada.

 

Leek, E.C. (2006). 3-D Object representation in man and machine: Constraints from psychophysical studies of human vision. Invited talk British Machine Vision Association (BMVA). London.

 

Thierry, G. Leek, E.C., & Rafal, R. (2006). Reading without the visual word form area: A case study. European Society for Neuroscience, Toulouse, France.

 

Leek, E.C., (2006). The structure of 3-D shape representations in human vision revealed by eye movement patterns during single object encoding and recognition. Talk given at the Psychonomic Society, Houston, Texas, USA

 

Leek, E.C. & Thacker, N. (2006). The structure of 3-D shape representations in human vision revealed by eye movement patterns during single object recognition. Talk given at the Experimental Psychology Society, Plymouth, UK. July.

 

Harris, I.M., Dux, P.E. Benito, C.T. & Leek, E.C. (2006). Orientation effects on repetition priming of objects. Australian Experimental Psychology Conference, Brisbane.

 

Reppa, I. & Leek, E.C. (2006). The structure of 3-D object representations for regular and irregular shapes: Evidence from priming and whole-part matching. Vision Sciences Society, Sarasota, Florida. Journal of Vision.

 

Leek, E.C. (2006). New constraints on machine vision approaches to shape-based image recognition from studies of 3D object representation in the human visual system. Invited talk British Machine Vision Association (BMVA). One-day workshop on Object Recognition. London.

 

Leek, E.C., Johnston, S.J. & Reppa, I. (2006). The structure of 3-D shape representations in human vision revealed by eye movement patterns during single object encoding and recognition. Vision Sciences Society, Sarasota, Florida, Journal of Vision.

 

Leek, E.C., Atherton, C.J., Johnston, S.J. & Theirry, G. (2006). The functional organisation of object constancy mechanisms in human vision: Evidence from a study of event-related potentials during 2-D stimulus normalisation. Vision Sciences Society, Sarasota, Florida, USA

 

Leek, E.C. (2006). The structure of 3D object shape representations in human vision. Invited talk, Departmental Seminar, School of Psychology, University of Kent, February.

 

Leek, E.C. (2005). The cognitive and neuro-anatomical bases of shape constancy in human vision: Converging evidence from psychophysics, ERPs and fMRI. Invited talk, Departmental Seminar, School of Psychology, University of Swansea, November.

 

Bach, P., Leek, E.C. & Tipper, S.P. (2005). Implicit action encoding influences personal trait attribution. Psychonomic Society, Toronto, Canada.

 

Tainturier, M,J. Leek, E.C., Schiemenz, S., Williams, C.A., Thomas, E. & Gathercole, V.C. Access to lexical phonology does not predict retrieval of grammatical gender in Welsh: Implications for theories of language production. Academy of Aphasia, Amsterdam.

 

Leek, E.C. & Johnston, S.J. (2005). The role of polar features in visual object constancy. Vision Sciences Society, Sarasota, Florida, USA.

 

Reppa, I & Leek E.C. (2005) Structure-based modulation of selective attention: Implications for theories of object-based selection. Vision Sciences Society, Sarasota, Florida, USA.

 

Tainturier, M.J., Leek, E.C., Schiemenz, S., Williams, C.A., Thomas E. & Gathercole, V.C. (2005). Access to lexical phonology does not predict retrieval of grammatical gender n Welsh: Implications for theories of language production. Academy of Aphasia. Holland.

 

Leek, E.C. (2004). Structure-based modulation of inhibition-of-return (IOR): Implications for theories of object-based selection. Talk given at the 45th Annual Meeting of the Psychonomics Society, Minneapolis, Minnesota.

 

Leek, E.C. (2004). The structure of object shape representations in human vision. Invited talk, Department of Psychology, University of Liverpool, UK.

 

Leek, E.C. (2004). Une nouvelle approche de la reconnaissance d objets tri-dimensionnelle. Invited talk, Departement de Psychologie, Universite de Geneve.

 

Leek, E.C. (2004). A surface-based theory of high-level 3D shape representation for human object recognition. Invited talk: CNRS Laboratoire de psychologie experimentale, Invited talk, Universite Pierre Mendes France, Grenoble, France.

 

Leek, E.C. (2004). A surface-based theory of 3-D shape representation for human object recognition. Vision Sciences Society, Sarasota, Florida, USA.

 

Leek, E.C., Reppa, I. & Arguin, M. (2003). The structure of object shape representations in visual recognition. European Conference on Visual Perception, Paris, France.

 

Leek, E.C. & Reppa, I. (2003). Object-internal structure modulates object-based inhibition-of-return. European Conference on Visual Perception, Paris, France.

 

Tainturier, M.J., Wyn, R. & Leek, E.C. (2003). Syntactic mediation is not obligatory during lexical access: Evidence from a case study of Welsh aphasia. British Aphasiology Society.

 

Leek, E.C. (2003). The structure of object shape representations in perception and object recognition. Departmental Seminar, School of Psychology, University of Birmingham. April.

 

Leek, E.C., Johnston, S., Atherton, C.J., Thacker, N. & Jackson, A. (2002). Neural correlates of spatial normalisation mechanisms underlying object recognition and mirror-image judgments. 10th Annual Meeting of the Cognitive Neuroscience Society, New York, USA.

 

Leek, E.C., Reppa, I. & Arguin, M. (2002). Surface-based shape representations mediate object recognition: Further evidence from part-whole priming. Psychonomics Society, Kansas City, USA.

 

Reppa, I. & Leek, E.C. (2002). Object-based inhibition-of-return is modulated by object-internal structure. Psychonomics Society, Kansas City, USA.

 

Tainturier, M.J., Valdois, S., David, D., Leek, E.C. & Pellat, J. (2002). Surface dyslexia without dysgraphia: A case report of a new dissociation. Academy of Aphasia, New York, USA.

 

Reppa, I. & Leek, E.C. (2002). The modulation of object-based inhibition-of-return across object-internal structure. University of Wales, Bangor.

 

Leek, E.C., Wyn. R. & Tainturier, M.J. (2002). Syntactic mediation is not obligatory in lexical production: Evidence from a single case study of Welsh aphasia. TENNET XV. Montreal, Canada.

 

Leek, E.C., Wyn. R. & Tainturier, M.J. (2002). Syntactic mediation is not obligatory in lexical production: Evidence from a single case study of Welsh aphasia. TENNET XIII. Montreal, Canada.

 

Leek, E.C., Leeds, L., Hobson, J.P. & Meara, R.J. (2002). Object agnosia and prosopagnosia without alexia: A single case study. School of Psychology, University of Wales, Bangor.

 

Leek, E.C., Wyn, R. & Tainturier, M.J. (2001). The assessment of word production deficits in Welsh speaking aphasic patients. Department of Speech and Language Therapy, Ysbyty Eryri, Caernarfon, Wales.

 

Leek, E.C., Wyn, R. & Tainturier, M.J. (2001). The representation of word forms and grammatical gender in word production: Evidence from Welsh aphasia. Centre for Cognitive Neuroscience, University of Wales, Bangor.

 

Leek, E.C. & Arguin, M. (2000). Surface-based shape descriptions in object recognition: Evidence from part-whole matching. Talk given at 41st Annual Meeting of the Psychonomic Society, New Orleans, USA.

 

Leek, E.C. (2000). Shape representation and recognition in human vision. Talk given for Pilkington Optronics Ltd. UK.

 

Reppa, I. & Leek, E.C. (2000). Inhibition of return is modulated by object-internal shape structure. CHAOS Meeting, Percival Hall, Yorkshire, UK.

 

Atherton, C.J., Thacker, N.A., Leek, E.C., Jackson, A. & Hollander, I. (2000). Orientation-dependent and orientation-invariant object recognition: An fMRI study. Cognitive Neuroscience Society. San Fransisco, USA.

 

Atherton, C.J., Thacker, N.A. Leek, E.C., Jackson, A. & Hollander, I. (2000). Orientation-dependent and orientation-invariant object recognition: An fMRI study. Vision Research Meeting, Functional Brain Imaging in Vision. Fort Lauderdale, USA.

 

Atherton, C.J., Thacker, N.A., Leek, E.C. & Jackson, A. (2000). Cortical activation during the mental rotation task: An fMRI analysis International Society of Magnetic Resonance in Medicine, Denver, Colorado, USA.

 

Leek, E.C. (1999). The cognitive neuropsychology of acquired naming impairments: Implications for rehabilitation. Speech and Language Therapy Department, North Wales Health Authority Trust, Eryri Hospital, Gwynedd, UK.

 

Leek, E.C., Turnbull, O.H., Tainturier, M.J. & Rapp, B.C. (1999). The quantitative analyses of copy drawing and drawing from memory in brain-damaged patients. Cognitive Neuroscience Society Meeting. Washington DC, USA.

 

Leek, E.C. (1999). Cognitive neuropsychological analyses of acquired brain injury: Towards a theoretically motivated approach to cognitive rehabilitation. North Wales Acquired Brain Injury Unit, Colwyn Bay Hospital, North Wales, UK.

 

Tainturier, M.J., Valdois, S., David, D., Leek, E.C., & Pellat, J. (1999). Surface dyslexia without dysgraphia. Cognitive Neuroscience Society Meeting. Washington DC, USA.

 

Atherton, C.J., Thacker, N.A., Leek, E.C., & Jackson, A (1999). The neural substrates of object constancy. An fMRI study. International Society of Magnetic Resonance in Medicine. Denver, USA.

 

Leek, E.C., Rapp, B.C., & Turnbull, O.H. (1999). The analysis of drawing from memory performance in brain-damaged patients Society for Theoretical and Experimental Neuropsychology, Montreal, Quebec, Canada.

 

Leek, E.C. & Arguin, M. (1999). The role of parts and their spatial relations in visual object recognition: Implications for theories of image segmentation. Perception, Attention & Motor Science Meeting, University of Wales, UK.

 

Leek, E.C. (1998). Functional Origins of Repetition Blindness. CHAOS Conference, Parcevel Hall, North Yorkshire, UK.

 

Leek, E.C. (1997). The selective impairment of high-level perception: A single case study. University of Sussex, Department of Psychology, UK.

 

Leek, E.C. (1997). Functional processes in visual perception: Evidence from normal and impaired performance. Durham University, Department of Psychology.

 

Leek, E.C., Rapp, B. & Caramazza, A. (1996). The selective impairment of high-level perceptual representations in object recognition: A single case study. 14th European Workshop on Cognitive Neuropsychology, Bressanone, Italy.

 

Leek, E.C. (1996). Un Trouble Selectif des Representations de Haut Niveau dans la Reconnaissance Visuel. CNRS, Laboratoire de psychologie experimentale, Universite Pierre Mendes France, Grenoble, France.

 

Leek, E.C., Rapp, B.C., & Caramazza, A. (1995). A modality-specific naming impairment with intact object knowledge. Society for Theoretical and Experimental Neuropsychology, Montreal, Quebec, Canada.

 

Arguin, M. & Leek, E. C. (1995). Mental rotation for visual object recognition: Identical rates in priming and picture naming. Association for Research in Vision and Ophthalmology (ARVO), Florida, USA

 

Leek, E.C., Rapp, B.C. & Caramazza, A. (1994). A single case study of a patient with a modality-specific naming impairment. Society for Theoretical and Experimental Neuropsychology, Montreal, Quebec, Canada.

 

Leek, E.C., Rapp, B.C. & Caramazza, A. (1994). Accessing semantics from vision: The case study of a patient with a visual modality-specific naming impairment. Academy of Aphasia. Boston, USA.

 

Arguin, M. & Leek, E.C. (1994). Reconnaissance d objets visuels: Invariance à l'orientation ou rotation rapide? XVII Conference of the Quebec Society for Psychological Research, Montreal, Quebec, Canada.

NEUROPSYCHOLOGY OF VISION

CHARLES LEEK LAB

 

Here is a list of the conferences and talks conducted by lab members. Please contact us here if you would like a copy of any of our conference posters.

Conference Presentations