Conference Presentations

2018

Morrice, E.*, Hughes, J.*, Wittich, W., & Johnson, A. (2018). Validation of the international reading speed texts in a Canadian sample. Annals Of Eye Science, 3(3). AB104. Retrieved from http://aes.amegroups.com/article/view/4122 Vision Health Research Network Annual Meeting, November, Montreal, Quebec.

Wittich, W., Jarry, J., Marinier, J., & Johnson, A. (2018). Portable closed-circuit TV versus iPad in spot reading tasks. Annals Of Eye Science, 3(3). AB101. Retrieved from http://aes.amegroups.com/article/view/4119 Vision Health Research Network Annual Meeting, November, Montreal, Quebec.

Lacombe, C.*, Wittich, W., Fraser, S., & Johnson, A. (2018). Neurophysiological measures of stigma stereotypes. Annals Of Eye Science, 3(3). AB096. Retrieved from http://aes.amegroups.com/article/view/4114 Vision Health Research Network Annual Meeting, November, Montreal, Quebec.

Martin, M.*, Grohmann, B., & Johnson, A. (2018). Product knowledge predicts greater willingness to buy and gaze-related attention, salience does not. Annals Of Eye Science, 3(3). AB064. Retrieved from http://aes.amegroups.com/article/view/4082 Vision Health Research Network Annual Meeting, November, Montreal, Quebec.

Johnson, A.P., & Murphy, C*. (2018). Database of retinal images in visually impaired individuals: drusen and age-related macular degeneration (AMD). Annals Of Eye Science, 3(3). AB105. Retrieved from http://aes.amegroups.com/article/view/4123  . Vision Health Research Network Annual Meeting, November, Montreal, Quebec.

2017

Martin, M.,* & Johnson, A.P., (2017) Increasing attentional demands impair the extraction of summary statistics. Canadian Journal of Experimental Psychology 70(4), 351-429. Canadian Society for Brain Behaviour and Cognitive Science, May 2017, Regina, Saskatchewan

 

2016

Martin, M.,* & Johnson, A.P., (2016) Multiple feature dimensions compete for visual attention: Testing Boolean map theory using a summary statistics paradigm. Canadian Journal of Experimental Psychology 70(4), 351-429. Canadian Society for Brain Behaviour and Cognitive Science, May 2016, Ottawa, Ontario.

Ringer, R.C.,* Throneburg, Z.W., Johnson, A.P., Kramer, A.F., & Loschky, L.C., (2016) The Effects of Foveal Versus Auditory Working Memory Dual-Task Loads on Covert and Overt Attention, Journal of Vision, 16(12):1026. May 2016, St. Pete’s Beach, FL.

Riley, S., Johnson, A., & Wittich, W. (2016). Apple iPad and CCTV reading performance and preference comparison in persons with low vision, Investigative Ophthalmology and Vision Science, 56, Association for Research in Vision and Ophthalmology, E-abstract #5169, Seattle, WA

Wittich, W., Morrice, E.*, & Johnson, A. (2016). Reading speed on the iPad for individuals with low vision depends on previous experience, Investigative Ophthalmology and Vision Science, 56, Association for Research in Vision and Ophthalmology, E-abstract #1943, Seattle, WA

 

2015

Riley, S., Johnson, A.P., Overbury, O., Wittich, W. & Morrice, E.* (2015).  iPad and CCTV reading speed comparison in persons with low vision: A comparison of participant groups, Envision Low Vision Conference, September 2015, Denver, CO.

Loschky, L.C., Ringer, R.C.*, Throneburg, Z.W., Kramer, A.F., & Johnson, A.P. (2015) The Useful Field of View in Real World Scene Viewing: Tunnel vision versus general interference. Journal of Eye Movement Research, 8(4),1. European Conference on Eye Movements. August, 2015, Vienna, Austria.

Grond, F.*, Johnson, A., & Wittich, W. (2015). A local conference navigation system based on open hardware audio beacons and a web application for smart phones, International Mobility Conference – IMC15, July 2015, Montreal, QC.

Johnson, A.P., Brand, J.*, Bodur, H.O., Grohmann, B. (2015) Prior knowledge of objects improves efficiency during hybrid visual search. Journal of Vision 15(12):1362. doi: 10.1167/15.12.1362. Vision Science Society, May 2015, St. Pete’s Beach, FL.

Richard, B.*, Birkett, R.L.*, Hansen, B.C., & Johnson, A.P. (2015) Cathodal trans-cranial Direct Current Stimulation (tDCS) modifies discrimination thresholds of the slope of the amplitude spectrum. Journal of Vision 15(12):768. doi: 10.1167/15.12.768. Vision Science Society, May 2015, St. Pete’s Beach, FL.

Farisello, L.*, Elalouf, K.*, Applebaum, J.*, Pfaus, J., & Johnson, A.P. (2015) Quantifying the variance in eye movements while watching intact versus scrambled movies. Journal of Vision, 15(12):1269. doi: 10.1167/15.12.1269. Vision Science Society, May 2015, St. Pete’s Beach, FL.

Hansen, B.C., Haun, A.M., Johnson, A.P., & Ellemberg, D. (2015) The Functional Separability of Early Visual Evoked Potentials. Journal of Vision, 15(12):1003. doi: 10.1167/15.12.1003. Vision Science Society, May 2015, St. Pete’s Beach, FL.

Ringer, R.V.*, Throneburg, Z.W., Walton, T.B., Erickson, G., Coy, A.M., DeHart, J., Johnson, A.P., Kramer, A., & Loschky, L.C. (2015) A Novel Approach to Measuring the Useful Field of View in Simulated Real-World Environments Using Gaze Contingent Displays: The GC-UFOV. Journal of Vision, 15(12):878. doi: 10.1167/15.12.878. Vision Science Society, May 2015, St. Pete’s Beach, FL.

Wittich, W., Southall, K., & Johnson, A.P. (2015).  How low vision in older adults interferes with the use of assistive hearing devices. Investigative Ophthalmology and Vision Science, 54, Association for Research in Vision and Ophthalmology E-abstract 4785.

Riley, S., Johnson, A.P., Overbury, O., & Wittich, W. (2015). Low vision reading speed comparison of CCTV and iPad, Investigative Ophthalmology and Vision Science, 54, Association for Research in Vision and Ophthalmology E-abstract 4793.

Wittich, W., Southall, K., & Johnson, A.P. (2015).  How successful are older adults with low vision when utilizing assistive hearing devices? Deafblind International 16th World Conference, May 2015, Bucharest, Romania.

Grond, F.*, Johnson, A. & Wittich, W. (2015). Audio beacons as sonic boundary objects for the exploration of the MALL, 12e journee scientifiques Universite du Montreal, Affiches cycles supérieurs. Feb. 2015, Montreal, QC.

 

2014

Richard, B.*, Andres, K., Thompson, B., Johnson, A.P., & Hansen, B.C. (2014) The effects of trans-cranial direct current stimulation (tDCS) on the contrast sensitivity function (CSF). Canadian Journal of Experimental Psychology, 68(4), 271-312.

Fehr, C.*, Loschky, L., Ringer, R.*, Kramer, A., & Johnson, A.P. (2014) Attention modulates colour perception across the visual field in natural scenes. Canadian Journal of Experimental Psychology, 68(4), 271-312.

Farisello, L.*, Bauer, M.*, Johnson, A.P., & Pfaus, J.G. (2014) Visibility of Sexual Features Influences Eye Movements in Women, but not in Men. Canadian Journal of Experimental Psychology, 68(4), 271-312.

Leclerc, M.-E.*, Shilhan, J.*, Pfaus, J.G., & Johnson, A.P., (2014) The Sexual Image Stroop Task: Predicting sexual interest based on the pattern of delays in the processing sexual content. Canadian Journal of Experimental Psychology, 68(4), 271-312.

Brand, J.,* Bodur, H.O., Grohmann, B., & Johnson, A.P., (2014) Perceptual averaging of three-dimensional shapes. Canadian Journal of Experimental Psychology, 68(4), 271-312.

Wittich, W., Johnson, A.P. & Overbury, O.  (2014). Comparison of reading speed in persons with low vision using CCTV and iPad, American Academy of Optometry, Denver, CO, E-Abstract 145071

Richard, B.*, Johnson, A.P., Hansen, B.C., (2014) A network of integrate-and-fire neurons with an anisotropic population density and concordant gain pool replicates the orientation anisotropy of overlay masking. Poster presented at Society for Neuroscience Annual Meeting, Washington DC, November 2014.

Ringer, R.V.*, Johnson, A.P., Neider, M., Kramer, A., & Loschky, L.C. (2014) Blur Detection Is Unaffected By Cognitive Load, But Eye Movements and Scene Recognition Memory Are. Journal of Vision, 14 (10), 529-529

2013

Johnson, A.P., Richard, B.*, Ellemberg, D., & Hansen, B.C., (2013) Eccentricity-dependent sensitivity loss of amplitude spectrum slope discrimination. Journal of Vision, 13(9): 1237; doi:10.1167/13.9.1237.

Richard, B.*, Hansen, B.C., Ellemberg, D., & Johnson, A.P. (2013) Size dependent increase in sensitivity to the slope of the amplitude spectrum is not solely dependent on the increased low spatial frequency representation of larger stimuli. Journal of Vision 13(9): 1238; doi:10.1167/13.9.1238

Ringer, R. V., Dean, K.E., Larson, A. M., Hughes, G. A., Coy, A. M., Walton, T. B., Spratt, J., Clark-Hargreaves, L., Johnson, A.P., Neider, M., Kramer, A. F., & Loschky, L. C. (2013) Blur Detection In Natural Scenes Is Not Affected By Cognitive Load. Journal of Vision 13(9): 653; doi:10.1167/13.9.653

Brand, J.,* & Johnson, A.P., (2013) Attention and spatial scale selection in scene categorization. Journal of Vision 13(9): 431; doi:10.1167/13.9.431

2012

 

2011

Brand, J.,* Richard, B.,* & Johnson, A. P. (2011) Attention Pupils: Indexing the processing load of multiple object tracking using pupillometry. Canadian Journal of Experimental Psychology (in press)

Richard, B.,* Rainville, E.* & Johnson, A. P. (2011) Chromaticity’s role in natural scene detection. Canadian Journal of Experimental Psychology (in press)

Johnson, A. P. (2011) Varying image perspective weakens the leaning tower illusion. Journal of Vision, 11(11), 1116; doi:10.1167/11.11.1116.

Richard, B.* & Johnson, A. P. (2011) Benefits of a trans-saccadic mask: preventing the desensitization effects of amplitude spectrum slope discrimination when using physical masks. Journal of Vision, 11(11), 1195; doi: 10.1167/11.11.1195.

Hansen, B., Johnson, A. P., & Ellemberg, D. (2011) Natural scene image complexity differentially modulates the N1 and P1 components of early VEPs. Journal of Vision, 11(11), 1121; doi:10.1167/11.11.1121. Presented at Vision Science Society, United States of America, Naples, Florida.  May 2011.

2010 and Earlier

Richard, B.,* Ellemberg, D., Johnson, A. P. (2010) Non-Parametric test to describe response time distributions within a visual search paradigm. Canadian Journal of Experimental Psychology 64(4), 310. Presented at Vision Science Society, United States of America, Naples, Florida.  May 2010.

Hansen, B., Jacques, T., Johnson, A. P., & Ellemberg, D. (2010) Early VEP magnitude is modulated by structural sparseness and the distribution of spatial frequency contrast in natural scenes. Journal of Vision, 10(7), 923. Presented at Vision Science Society, United States of America, Naples, Florida.  May 2010.

Hibbeler, P. J.,* Ellemberg, D., & Johnson, A. P., & Olzak, L. A. (2010) Changes in Fixation Strategy May account for a portion of Perceptual Learning observed in visual tasks. Journal of Vision 10(7), 1109. Presented at Vision Science Society, United States of America, Naples, Florida.  May 2010.

Johnson, A. P. & Zarei, A.* (2010) Second-order saliency predicts observer eye movements when viewing natural images. Journal of Vision, 10(7), 526. Presented at Vision Science Society, United States of America, Naples, Florida.  May 2010.

Richard, B.,* Ellemberg, D., & Johnson, A. P. (2010) Non-parametric test to describe response time and eye movement distributions in visual search. Journal of Vision, 10(7), 1317. Presented at Vision Science Society, United States of America, Naples, Florida.  May 2010.

Vavassis, A.,* von Grunau, M., & Johnson, A. P. (2010) Saccadic reaction times in response to rewards of varying magnitude and probability. Journal of Vision, 10(7), 248. Presented at Vision Science Society, United States of America, Naples, Florida.  May 2010.

Hibbeler, P. J.,* Ellemberg, D., Johnson, A. P., & Olzak, L. A. (2009) Does fixation account for perceptual learning in visual hyperacuity discrimination tasks? Journal of Vision 9(14): 42.

Cavallet, M.,* Galera, C., von Grünau, M. W., & Johnson, A. P. (2009) The adjustment of the focus of visual attention is determined at early levels of processing. Perception, 38, ECVP Abstract Supplement, 174.

Zhou, R.,* von Grünau, M. W., Johnson, A.P., Gurnsey R. (2009) The effect of different artificial central scotomata on eye-movement patterns. Perception 38, ECVP Abstract Supplement, 45.

Johnson, A. P., & Gurnsey, R. (2009). Perception of shape-from-texture in the periphery using a simulated central scotoma. Journal of Vision, 9(8):36a, http://journalofvision.org/9/8/36/, doi:10.1167/9.8.36. Presented at Vision Science Society, United States of America, Naples, Florida.  May 2009.

Doyon-Cadieux, V.,* Stamoulos, C.,* & Johnson, A. P. (2009). Eye movements when viewing natural scenes with normal vision and simulated scotomas. Journal of Vision, 9(8): 395a, http://journalofvision.org/9/8/395/, doi:10.1167/9.8.395. Presented at Vision Science Society, United States of America, Naples, Florida.  May 2009.

Richard, B.,* Johnson, A. P., & Ellemberg, D. (2009). Persistent abnormalities in the control of eye movements following a sport-related concussion. Journal of Vision, 9(8): 423a, http://journalofvision.org/9/8/423/, doi:10.1167/9.8.423. Presented at Vision Science Society, United States of America, Naples, Florida.  May 2009.

Turgeon, C.,* Johnson, A. P., Pannasch, S., & Ellemberg, D. (2009). Auditory deprivation during infancy affects the control of pursuit eye movements. Journal of Vision, 9(8): 425a, http://journalofvision.org/9/8/425/, doi:10.1167/9.8.425. Presented at Vision Science Society, United States of America, Naples, Florida.  May 2009.

Ellemberg, D., Johnson, A. P., & Hansen, B. (2009). The development of contrast sensitivity for gratings and natural images: Revisiting the golden standard. Journal of Vision, 9(8): 984a, http://journalofvision.org/9/8/984/, doi:10.1167/9.8.984. Presented at Vision Science Society, United States of America, Naples, Florida.  May 2009.

Hibbeler, P. J.,* Ellemberg, D., Johnson, A. P., & Olzak, L. A. (2009). Cause of asymmetries in center-surround and surround-center masking [Abstract]. Journal of Vision, 9(8): 1010a, http://journalofvision.org/9/8/1010/, doi:10.1167/9.8.1010. Presented at Vision Science Society, United States of America, Naples, Florida.  May 2009.

Zhou, R.,* von Grünau, M., Johnson, A.P., & Gurnsey, R. (2009). Simulated low vision with young and old adults: How do they see? Journal of Vision, 9(8):373, 373a, http://journalofvision.org/9/8/373/, doi:10.1167/9.8.373. Presented at Vision Science Society, United States of America, Naples, Florida.  May 2009.

Ellemberg, D., Johnson, A. P., & Hansen, B. (2008). Contrast detection thresholds for natural and 1/f random noise images. Perception 37, 76. Presented at the European Conference on Visual Perception, The Netherlands, Utrecht. August 2008.

Johnson, A.P., Zhang*, J. F. & Doyon-Cadieux*, V. (2008). Spatiotemporal influence of colour on scene gist perception. Journal of Vision, 8(6), 736. Presented at Vision Science Society, United States of America, Naples, Florida.  May 2008.

Zhou*, R., Johnson, A.P., Gurnsey, R., & von Grünau, M. (2008). Eye movement strategies: A comparison between individuals with normal vision and simulated scotomas. Journal of Vision, 8(6), 640. Presented at Vision Science Society, United States of America, Naples, Florida.  May 2008.

Ellemberg, D., Johnson, A. P., & Hansen, B. (2008). The development of natural image contrast sensitivity. Journal of Vision, 8(6), 346. Presented at Vision Science Society, United States of America, Naples, Florida. May 2008.

Johnson A.P., Hansen, B., & Ellemberg, D. (2007) Center-surround effect in human discrimination of amplitude spectrum slope. Journal of Vision 7, 967. Presented at Vision Science Society, United States of America, Sarasota, Florida. May 2007.

Ellemberg, D., Hansen, B., &  Johnson A.P., (2007) Discrimination of amplitude spectrum slope of natural scenes during childhood. Journal of Vision 7, 962. Presented at Vision Science Society, United States of America, Sarasota, Florida. May 2007.

Johnson A.P., Prins N., Kingdom, F.A.A., &Baker C.J. Jr. (2006) Ecological validity determines the impact of second-order information on perceptual performance. Journal of Vision 6, 586. Presented at Vision Science Society, United States of America, Sarasota, Florida. May 2006.

Johnson A.P., Kingdom F.A.A., &Baker, C.L. Jr. (2005) Spatiochromatic first- and second-order properties of natural scenes: First- and second-order information and their correlation structure. Journal of Vision 5, 83. Presented at Vision Science Society, United States of America, Sarasota, May 2005.

Ledgeway T., Zhan C-A., Johnson A.P, Song Y. & Baker C.L. Jr. (2004) Direction selectivity and the contrast response function of cortical neurones to first-order and second-order motion. Perception 33, 149-150. Presented at the European Conference on Visual Perception, Hungary, Budapest, August 2004.

Johnson A.P. & Baker C.J. Jr. (2004) Sparse coding in first- and second-order filtered images. Journal of Vision 4, 542. Presented at Vision Science Society, United States of America, Sarasota, Florida. May 2004.

Johnson A.P. & Baker C.J. Jr. (2003) Response of first- and second-order filters to natural images. Journal of Vision 3, 520. Presented at Vision Science Society, United States of America, Sarasota, Florida. May 2003.