![]() ![]() ![]() Consistently replying with ‘no’ is what one would expect if they are subjectively unaware of visual stimuli throughout the task. This task allows the participant the freedom to say ‘blank’ or ‘no stimulus’ on every trial presentation if they wish to do so. The basis of clinical perimetry is a ‘yes-no’ (yn) task in which one of two possible stimuli (target or blank) is presented on each trial and the participant’s task is to judge which one was presented. In humans, the apparent discrepancy between an area of clinically blind visual field and the ability to make some form of visual discrimination was only revealed by the implementation of ‘animal type’ FC methodologies. Sahraie, in Encyclopedia of Consciousness, 2009 Decision Criterionīlindsight can be demonstrated in the form of a dissociation between visual performance in two different paradigms/tasks, namely clinical perimetry and FC tasks. ![]()
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