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Binocular Switch Suppression information


Binocular switch suppression (BSS) is a technique to suppress usually salient images from an individual's awareness, a type of experimental manipulation used in visual perception and cognitive neuroscience. In BSS, two images of differing signal strengths are repetitively switched between the left and right eye at a constant rate of 1 Hertz. During this process of switching, the image of lower contrast and signal strength is perceptually suppressed for a period of time.

Other techniques for such manipulation include binocular rivalry, continuous flash suppression (CFS), visual masking[1] and flicker switch suppression. Similar to binocular rivalry and CFS, BSS works by controlling the signal strength of each respective stimulus and also by managing neural adaption. However, BSS is able to achieve better quality perceptual suppression and longer suppression periods than these other tools.[2] Moreover, unlike other methods, BSS allows one to investigate the neural and behavioural consequences during the period of visual suppression itself and not just after the presentation of the target stimuli.[2]

  1. ^ Breitmeyer, Bruno G.; Ganz, Leo (1976-01-01). "Implications of sustained and transient channels for theories of visual pattern masking, saccadic suppression, and information processing". Psychological Review. 83 (1): 1–36. doi:10.1037/0033-295x.83.1.1. ISSN 1939-1471. PMID 766038.
  2. ^ a b Arnold, Derek H.; Law, Phillip; Wallis, Thomas S. A. (2008-03-01). "Binocular switch suppression: A new method for persistently rendering the visible 'invisible'". Vision Research. 48 (8): 994–1001. doi:10.1016/j.visres.2008.01.020. PMID 18329066.

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