In Review

Stark, Z., Franzen, L., & Johnson, A.P., Insights from a dyslexia simulation font: Can we simulate reading struggles of individuals with dyslexia? Dyslexia (pre-print)

Franzen, L., Cabugao, A., Grohmann, B., & Johnson, A.P., Individual pupil size changes as a robust indicator of cognitive familiarity differences. (pre-print)


Franzen, L., Grohmann, B., Cabugao, A., Bodur, O., & Johnson, A. P. (2021). Dissociating cognitive effects and stimulus properties during pupil size measurements in response to product images. Journal of Vision (in press)

Morrice, E.*, Soldano, V.*, Addona, C.*, Murphy, C.E.*, & Johnson, A.P. (2021) Assessing Optimal Colour and Illumination to Facilitate Reading: An Analysis of Print-size. Ophthalmic and Physiological Optics (in press).

Morrice, E.*, Soldano, V.*, Addona, C.*, Murphy, C.E.*, & Johnson, A.P. (2021) Validation of the International Reading Speed Texts in a Sample of Older (60+) Canadian Adults. Optometry and Vision Science, 98(8):971-975.  doi: 10.1097/OPX.0000000000001746.

Morrice, E.*, Murphy, C.*, Wittich, W., & Johnson, A.P. (2021) Assessing Optimal Colour and Illumination to Facilitate Reading. Opthalmic and Physiological Optics, 41(2):281-294.  doi: 10.1111/opo.12785.

Donkor, R., Silva, A., Johnson, A.P., & Thompson, B. (2021) Repetitive visual cortex transcranial random noise stimulation in adults with amblyopia. Scientific Reports volume 11, Article number: 3029 (2021)


Murphy, C.*, Johnson, A.P., Koenekoop, R.K., Seiple, W., Overbury, O. (2020). The Relationship Between Cognitive Status and Known Single Nucleotide Polymorphisms in Age-related Macular Degeneration. Front. Aging Neurosci. 12:586691. doi: 10.3389/fnagi.2020.586691

Franzen, L., Lacombe, C., Gagné, N., Bodur, O., Grohmann, B., & Johnson, A. P. (2020). The effects of product images and working memory load on eye movements. Journal of Vision. 20(11). 626. doi: 10.1167/jov.20.11.626


Morrice, E.*, Hughes, J.*, Stark, Z.*, Wittich, W., & Johnson, A.P. (2019). Validation of the international reading speed texts in a Canadian sample. Optometry and Vision Science, 97(7), 509-517. doi: 10.1097/OPX.0000000000001538

Bianco, R., Gold, B.P., Johnson, A.P., Penhune, V.B. (2019). Music predictability and liking enhance pupil dilation and promote motor learning in non-musicians. Scientific Reports, 9, 17060 (2019).

Richard, B.*, Hansen, B.C., Johnson, A.P., & Shafto, P. (2019). The spatial summation of broadband contrast. Journal of Vision, 19(5):1-19. doi:10.1167/19.5.16

Poulin-Dubois, D., Hastings, P.D., Chiarella, S.S., Geangu, E., Hauf, P., Ruel, A., & Johnson, A.P. (2019) The eyes know it: Toddlers’ visual scanning of sad faces is predicted by their theory of mind skills. PLOS One, 13(12): 1-17. doi: 10.1371/journal.pone.0208524


Wittich, W., Jarry, J., Morrice, E.,* & Johnson, A.P., (2018) Effectiveness of the Apple iPad as a Spot-Reading Magnifier. Optometry and Vision Science, 95 (9), 704-710, doi: 10.1097/OPX.0000000000001269 (Peer reviewed)

Brand, J.,* & Johnson, A.P. (2018) The effects of distributed and focused attention on rapid scene categorization. Visual Cognition, 26:6, 450-462, doi: 10.1080/13506285.2018.1485808 (Peer reviewed)

Ward, N., Gaspar, J.G., Neider, M.B., Crowell, J., Carbonari, R., Kaczmarski, H., Ringer ,R.V.*, Johnson, A.P., Loschky L.C., Kramer, A.F. (2018). Older Adult Multitasking Performance Using a Gaze-Contingent Useful Field of View. Human Factors, 60(2):236-247. doi: 10.1177/0018720817745894. (Peer reviewed)


Johnson, A.P., Woods-Fry, H.*, Wittich, W. (2017) Effects of Magnification on Emotion Perception in Patients With Age-Related Macular Degeneration.  Invest. Ophthalmol. Vis. Sci. 58(5):2520-2526. doi: 10.1167/iovs.16-21349. (Peer reviewed)

Morrice, E.*, Johnson, A. P., Marinier, J-A., & Wittich, W. (2017). Assessment of the Apple iPad as a low-vision reading aid, Eye. 31(6):865-871. doi: 10.1038/eye.2016.309 (Peer reviewed)


Gaspar, J.G., Ward, N., Neider, M.B., Crowell, J., Carbonari, R., Kaczmarski, H., Ringer, R.V., Loschky, L.C., Johnson, A.P., & Kramer, A.F. (2016) Measuring the useful field of view during simulated driving with gaze-contingent displays. Human factors. 58(4), 630-41. doi: 10.1177/0018720816642092. (Peer reviewed)

Ringer, R.C.*, Throneburg, Z.W., Johnson, A.P., Kramer, A.F., & Loschky, L.C., (2016) Impairing the Useful Field of View in Natural Scenes: Tunnel Vision Versus General Interference. Journal of Vision: Special Issue on Scene Perception. 16, 7. doi:10.1167/16.2.7. (Peer reviewed)

Hansen, B., Haun, A.A., Johnson, A.P., & Ellemberg, D.  (2016) On the Differentiation of Foveal and Peripheral Early Visual Evoked Potentials. Brain Topography, 29(4), 506-514. doi: 10.1007/s10548-016-0475-5. (Peer reviewed)


Richard, B.*, Johnson, A.P., Thompson, B., & Hansen, B.C. (2015) The effects of tDCS across the Spatial Frequencies and Orientations that comprise the Contrast Sensitivity Function. Frontiers in Psychology: Perception Science. 6, (Peer reviewed)

Hansen, B.C., Richard, B.*, Andres, K., Johnson, A.P., Thompson, B., & Essock, E.A. (2015) A cortical locus for anisotropic overlay suppression of stimuli presented at fixation. Visual Neuroscience, 32, E023, doi: /10.1017/S0952523815000255. (Peer reviewed)

Johnson, A.P., Nadon, C.,* Morrice, E.,* Marinier, J-A., Overbury, O., & Wittich, W. (2015) The Apple iPad as a low-vision rehabilitation reading aid: just how effective is it? Visibility 9(1), 12-14. (Peer reviewed)

Johnson, A.P. (2015) Face processing within individuals with Macular Degeneration: a new eye movement stability measures that correlates with task performance. Visibility 9(1), 6-8. (Peer reviewed)

Wittich, W., Southall, K., & Johnson, A.P. (2015) Usability of assistive listening devices by older adults with low vision. Disability and Rehabilitation: Assistive Technology, 11(7), 564-571. Doi: 10.3109/17483107.2015.1042076. (Peer reviewed)

Fraser, S., Johnson, A.P., Overbury, O., & Wittich, W. (2015) Identifying the critical success factors in making a positive personal choice towards low vision rehabilitation services: A decision tree analysis. Ophthalmic and Physiological Optics, 35(1), 81-9. doi: 10.1111/opo.12169. (Peer reviewed)


Brand, J.,* & Johnson, A.P. (2014) Attention to local and global levels of hierarchal Navon figures affects rapid scene categorization. Frontiers in Psychology: Perception Science, 5, 1274. doi: 10.3389/fpsyg.2014.01274. (Peer reviewed)

Brand, J.,* Oriet, C., Johnson, A.P., & Wolfe, J., (2014) The effects of target foreknowledge on linearly- and nonlinearly-separable search along an irrelevant search dimension. Actas Psychology, 153, 129-138. doi:10.1016/j.actpsy.2014.10.002. (Peer reviewed)

Loschky, L.C., Ringer, R.V., Johnson, A.P., Larson, A.M., Neider, M., & Kramer, A. (2014).  Blur detection is unaffected by cognitive load. Visual Cognition. 22, 522-547. doi:  10.1080/13506285.2014.884203. (Peer reviewed)

Ringer, R.V.,* Johnson, A. P., Gaspar, J., Neider, M., Crowell, J., Kramer, A. F., & Loschky, L. C. (2014). Creating a new dynamic measure of the Useful Field of View, p.59-66. In J. Mulligan (Ed.), Proceedings of the 2014 Symposium on Eye Tracking Research and Applications: ACM, NY. doi:10.1145/2578153.2578160. (Peer reviewed)


Johnson, A.P. (2013) Investigating eye movements during tasks of daily living. Visibility 7(1), 13-14.


Ellemberg, D., Hansen, B.C., & Johnson, A.P. (2012) The developing visual system is not optimally sensitive to the spatial statistics of natural images. Vision Research, 67(15): 1-7. (Peer reviewed)

Hansen, B., Johnson, A.P., & Ellemberg, D. (2012) Different spatial frequency bands selectively signal for natural image statistics in the early visual system. Journal of Neurophysiology,  doi: 10. 1152/ jn. 00288. 2012. (Peer reviewed)


Johnson, A. P., Richard, B.*, Hansen, B. C. & Ellemberg, D. (2011) Center-surround effect in human discrimination of amplitude spectrum slope. Journal of Vision, 11(7): 14, 1-10. doi: 10.1167/11.7.14

Hansen, B., Jacques, T., Johnson, A. P., & Ellemberg, D. (2011) Early VEP magnitude is modulated by structural sparseness and the distribution of spatial frequency contrast in natural scenes. Visual Neuroscience, 28, 221-237. (Article selected for cover of this issue)

2010 and Earlier

Johnson, A. P., & Gurnsey, R. (2010) Size scaling compensates for sensitivity loss produced by a simulated central scotoma in a shape-from-texture task. Journal of Vision, 10(12): 18, 1-16, doi:10.1167/10.12.18.

Zhou, R.*, Johnson, A. P., Gurnsey, R., & von Grünau, M. (2008) Visual performance in normal and simulated low vision. Proceedings of the 9th International Conference on Low Vision – Vision 2008, Montreal, Canada.

Johnson A.P., Prins, N., Kingdom, F.A.A., Baker C.J. Jr. (2007) Ecological validity determines the impact of second-order information on perceptual performance. Vision Research. 47, 2281-2290.

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 the Optical Society of America. 22, 2050-2059.

Ledgeway T., Zhan C-A., Johnson A.P., Song Y. & Baker C.L., Jr. (2005) The direction-selectivity contrast response of area 18 neurones is different for first- and second-order motion. Visual Neuroscience. 22, 87-99.

Johnson A.P. & Baker C.J. Jr. (2004) First- and second-order information in natural images: a filter-based approach to image statistics. Journal of the Optical Society of America 21(6), 913-925.

Johnson A.P., Macauley M.W.S., & Barnes W.J.P. (2004) Local mechanisms for the separation of optic flow-field components in the land crab, Cardisoma guanhumi: a role for motion parallax? Visual Neuroscience, 21, 905-911.

Johnson A.P., Macauley M.W.S., & Barnes W.J.P. (2004) Effects of light intensity and pattern contrast on the ability of the land crab, Cardisoma guanhumi to separate optic flow-field components. Visual Neuroscience, 21, 895-904.

Johnson A.P., Horseman B.G., Macauley M.W.S., & Barnes W.J.P. (2002) PC-based visual stimuli for behavioural and electrophysiological studies of optic flow field detection. Journal of Neuroscience Methods 144, 51-61.

Barnes W.J.P., Johnson A.P., Horseman B.G., & Macauley M.W.S. (2002) Computer generated visual stimuli for studying vision in crabs. Marine and Freshwater Behavioural Physiology. 35(1), 37-56.

Johnson A.P. & Macauley M.W.S. (2001) High precision timing within Microsoft Windows: threads, scheduling and system interrupts. Microprocessor and Microsystems 25, 297-307.