Research Topics
| Charles A CollinSummaryAffiliation: University of Ottawa Country: Canada Publications
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Detail Information
Publications
Effects of band-pass spatial frequency filtering of face and object images on the amplitude of N170Charles A Collin
School of Psychology, University of Ottawa, Ottawa, ON K1N 6N5, Canada
Perception 41:717-32. 2012..Our findings are novel in showing that the middle band elicits the same N170 as full-band images in both faces and objects...- A significant bilateral field advantage for shapes defined by static and motion cuesCharles A Collin
School of Psychology, University of Ottawa, 145 Jean Jacques Lussier Private, Ottawa, ON K1N 6N5, Canada
Perception 38:1132-43. 2009.... - Effects of image background on spatial-frequency thresholds for face recognitionCharles A Collin
Department of Psychology, University of Ottawa, 550 Cumberland Street, Ottawa, Ontario K1N 6N5, Canada
Perception 35:1459-72. 2006..This suggests that results obtained with uniform backgrounds are ecologically valid and that background effects, if they exist, are small... - Spatial frequency thresholds for face recognition when comparison faces are filtered and unfilteredCharles A Collin
School of Psychology, University of Ottawa, Ottawa, Ontario, Canada
Percept Psychophys 68:879-89. 2006..These results are compatible with the idea that a middle band of SFs will be most useful for any visual task and that the breadth of this optimal middle band will vary depending on task characteristics... - Spatial-frequency thresholds for object categorisation at basic and subordinate levelsCharles A Collin
School of Psychology, University of Ottawa, Ontario, Canada
Perception 35:41-52. 2006..25 octaves. Conversely, there was no effect of categorisation level on high-pass thresholds... - Subordinate-level categorization relies on high spatial frequencies to a greater degree than basic-level categorizationCharles A Collin
Dalhousie University, Halifax, Nova Scotia, Canada
Percept Psychophys 67:354-64. 2005..These results are consistent with the notion that object recognition at basic levels relies on the general shapes of objects, whereas recognition at subordinate levels relies on finer visual details... 
The bilateral field advantage in a sequential face-name matching task with famous and nonfamous facesCharles A Collin
University of Ottawa, ON, Canada
Can J Exp Psychol 64:25-32. 2010..Our findings have additional implications for working memory-based theories of why the BFA arises, and for the time course of meaningful association formation...- Face recognition is affected by similarity in spatial frequency range to a greater degree than within-category object recognitionCharles A Collin
Psychology Department, McGill University, Montreal, Canada
J Exp Psychol Hum Percept Perform 30:975-87. 2004..They suggest that variations in sensitivity to SFO help explain the vulnerability of face recognition to changes in image format and the lack of a middle-frequency advantage in object recognition... - Behavioral effects of visual field location on processing motion- and luminance-defined formPatricia A McMullen
Department of Psychology, Dalhousie University, Halifax, Nova Scotia, Canada
J Vis 9:24.1-11. 2009..They are also suggestive of more dorsal cortical involvement in the processing of shapes defined by motion than luminance... - Spatial-frequency thresholds for configural and featural discriminations in upright and inverted facesNicholas N Watier
School of Psychology, University of Ottawa, Ottawa, ON K1N 6N5, Canada
Perception 39:502-13. 2010..Our findings emphasise the importance of a narrow mid-range band of frequencies for both configural and featural encoding in upright faces and suggest that configural information is extracted less effectively in inverted faces... - The influence of strongly focused visual attention on the detection of change in an auditory patternLauren D Sculthorpe
School of Psychology, University of Ottawa, Ontario, Canada K1N 6N5
Brain Res 1234:78-86. 2008..This finding suggests that the MMN elicited by the violation of a pattern is not affected by the presumed attentional demands of a difficult continuous task such as multiple object tracking... - Spatial vision meets spatial cognition: examining the effect of visual blur on human visually guided route learningMegan E Therrien
School of Psychology, University of Ottawa, 125 University Private, Room MNT 415A, Ottawa, Canada
Perception 39:1043-64. 2010..These findings have implications for models of route learning, as well as for practical situations in which humans must navigate under conditions of blur... - Effects of familiarity on spatial frequency thresholds for face matchingNicholas N Watier
Department of Psychology, University of Ottawa, Ottawa, Ontario K1N 6N5, Canada
Perception 38:1497-507. 2009..These results highlight a quantitative difference between processing familiar and unfamiliar faces... - Using MATLAB with the psychophysics toolbox to present the heterochromatic fusion nystagmus stimulusCharles A Collin
Dalhousie University, Halifax, Nova Scotia, Canada
Behav Res Methods Instrum Comput 34:500-8. 2002..By presenting the present program, we hope to help those who wish to use this tool in their research. The code of the function can be downloaded at www. dal.ca/-mcmullen/downloads.html... - Metamemory for faces, names, and common nounsNicholas N Watier
School of Psychology, University of Ottawa, 136 Jean Jacques Lussier, Vanier Hall room 3091, Ottawa, ON, Canada K1N 6N5
Acta Psychol (Amst) 138:143-54. 2011..Altogether, our results indicate that participants can monitor their memory for face-name associations at a level above chance, and retrospective monitoring is more accurate with nouns compared with faces and names... - Using Matlab to generate families of similar Attneave shapesCharles A Collin
Psychology Department, Dalhousie University, Halifax, NS, B3H 4J1 Canada
Behav Res Methods Instrum Comput 34:55-68. 2002..The function eliminates the time-consuming task of generating such shapes by hand and should allow their broader use in behavioral research. The Matlab script function can be downloaded at www.dal.ca/~mcmullen/downloads.html... - Recognizing faces defined by texture gradientsChang Hong Liu
Department of Psychology, University of Hull, Hull, England
Percept Psychophys 67:158-67. 2005..Although this performance was much poorer than the performance based entirely on shape-from-shading stimuli (Experiment 3), the results suggest that texture gradient information may be used to recover surface geometry of complex objects...