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Summers, Robert J.; Bailey, Peter J. and Roberts, Brian (2017). Informational masking and the effects of differences in fundamental frequency and fundamental-frequency contour on phonetic integration in a formant ensemble. Hearing Research, 344 , 295–303.

Summers, Robert J.; Bailey, Peter J. and Roberts, Brian (2016). Across-formant integration and speech intelligibility:effects of acoustic source properties in the presence and absence of a contralateral interferer. Journal of the Acoustical Society of America, 140 (2), pp. 1227-1238.

Stachurski, Marcin; Summers, Robert J. and Roberts, Brian (2015). The verbal transformation effect and the perceptual organization of speech:influence of formant transitions and F0-contour continuity. Hearing Research, 323 , pp. 22-31.

Summers, Robert J.; Baker, Daniel H. and Meese, Tim S. (2015). Area summation of first- and second-order modulations of luminance. Journal of Vision, 15 (1),

Roberts, Brian; Summers, Robert J. and Bailey, Peter J. (2014). Formant-Frequency Variation and Informational Masking of Speech by Extraneous Formants : Evidence Against Dynamic and Speech-Specific Acoustical Constraints. Journal of experimental psychology, First ,

Roberts, Brian; Summers, Robert J. and Bailey, Peter J. (2013). Formant-frequency variation and its effects on across-formant grouping in speech perception. IN: Basic aspects of hearing. Moore, Brian C.J.; Patterson, Roy D.; Winter, Ian M.; Carlyon, Robert P. and Gockel, Hedwig E. (eds) Advances in experimental medicine and biology . New York (US): Springer.

Roberts, Brian; Summers, Robert J. and Bailey, Peter J. (2013). Formant-frequency variation and its effects on across-formant grouping in speech perception. IN: Basic aspects of hearing. Moore, Brian C.J.; Patterson, Roy D.; Winter, Ian M.; Carlyon, Robert P. and Gockel, Hedwig E. (eds) Advances in experimental medicine and biology . New York (US): Springer.

Summers, Robert J.; Bailey, Peter J. and Roberts, Brian (2012). Effects of the rate of formant-frequency variation on the grouping of formants in speech perception. Journal of the Association for Research in Otolaryngology, 13 (2), pp. 269-280.

Summers, Robert J.; Bailey, Peter J. and Roberts, Brian (2010). Effects of differences in fundamental frequency on across-formant grouping in speech perception. Journal of the Acoustical Society of America, 128 (6), pp. 3667-3677.

Roberts, Brian; Summers, Robert J. and Bailey, Peter J. (2010). The perceptual organization of sine-wave speech under competitive conditions. Journal of the Acoustical Society of America, 128 (2), pp. 804-817.

Meese, Timothy S.; Challinor, K.L.; Summers, Robert J. and Baker, Daniel H. (2009). Suppression pathways saturate with contrast for parallel surrounds but not for superimposed cross-oriented masks. Vision Research, 49 (24), pp. 2927-2935.

Summers, Robert J. and Meese, Timothy S. (2009). The influence of fixation points on contrast detection and discrimination of patches of grating: Masking and facilitation. Vision Research, 49 (14), pp. 1894-1900.

Meese, Timothy S.; Summers, Robert J.; Holmes, David J. and Wallis, Stuart A. (2007). Contextual modulation involves suppression and facilitation from the center and the surround. Journal of Vision, 7 (4),

Roberts, Brian; Summers, Robert J. and Bailey, Peter J. Acoustic source characteristics, across-formant integration, and speech intelligibility under competitive conditions. Journal of Experimental Psychology : Human Perception and Performance Psychology, 41 (3), pp. 680-691.

Roberts, Brian; Summers, Robert J. and Bailey, Peter J. Formant-frequency variation and informational masking of speech by extraneous formants:evidence against dynamic and speech-specific acoustical constraints. Journal of Experimental Psychology : Human Perception and Performance Psychology, 40 (4), pp. 1507-1525.

Thomson, Mitchell G.A.; Foster, David H. and Summers, Robert J. Human sensitivity to phase perturbations in natural images:A statistical framework. Perception, 29 (9), pp. 1057-1069.

Roberts, Brian and Summers, Robert J. Informational masking of monaural target speech by a single contralateral formant. Journal of the Acoustical Society of America, 137 (5), pp. 2726-2736.

Roberts, Brian and Summers, Robert J. Informational masking of monaural target speech by a single contralateral formant. Journal of the Acoustical Society of America, 137 (4), p. 2435.

Roberts, Brian and Summers, Robert J. Informational masking of speech by time-varying competitors: Effects of frequency region and number of interfering formants. Journal of the Acoustical Society of America, 143 (2), pp. 891-900.

Meese, Timothy S. and Summers, Robert J. Neuronal convergence in early contrast vision: binocular summation is followed by response nonlinearity and area summation. Journal of Vision, 9 (4),

Meese, Timothy Simon; Baker, Daniel H. and Summers, Robert J. Perception of global image contrast is predicted by the same spatial integration model of gain control as detection and discrimination. i-Perception, 5 (4), p. 245.

Baker, Daniel H.; Meese, Timothy S. and Summers, Robert J. Psychophysical evidence for two routes to suppression before binocular summation of signals in human vision. Neuroscience, 146 (1), pp. 435-448.

Stachurski, Marcin; Summers, Robert J. and Roberts, Brian Stream segregation of concurrent speech and the verbal transformation effect:influence of fundamental frequency and lateralization cues. Hearing Research, 354 , pp. 16-27.

Meese, Timothy S.; Georgeson, Mark A.; Baker, Daniel H.; Holmes, David J.; Challinor, Kirsten L. and Summers, Robert J. Suppression and summation in contrast gain control for human vision. IN: Applied Vision Association Annual 2009 Meeting. 2009-03-31. (Unpublished)

Meese, Timothy S.; Challinor, Kirsten L. and Summers, Robert J. A common contrast pooling rule for suppression within and between the eyes. Visual Neuroscience, 25 (4), pp. 585-601.

Roberts, Brian; Summers, Robert J. and Bailey, Peter J. The intelligibility of noise-vocoded speech:spectral information available from across-channel comparison of amplitude envelopes. Proceeding of the Royal Society: Series B, 278 (1711), pp. 1595-1600.

Heitmar, Rebekka and Summers, Robert J. The time course of changes in retinal vessel diameter in response to differing durations of flicker light provocation. Investigative Ophthalmology and Visual Science, 56 (12), pp. 7581-7588.