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Operationalising Visual Awareness

‘If psychologists can really identify something that deserves to be called perception without awareness, they must have an operational grasp on not only what it takes to perceive something, but on what it takes to be conscious of it.

\citep[p.~148]{Dretske:2006fv}

Dretske, 2006 p. 148

blindsight:

infer perception from discrimination of visual stimuli

This was the point of talking about simple seeing.

we infer lack of awareness from the subject’s reports

x

Task 1 : Say when you can see which letter it is.

Task 2 : Guess the letter (forced choice).

Task 1 vs Task 2 : example of biased vs unbiased response

Ready? Go!

Group 1: £10 if you answer correctly, -£1 wrongly

Group 2: £1 if you answer correctly, -£10 wrongly

shifting criteria. A point made by \citet{cowey:2010_blindsighta} and Phillips

‘If psychologists can really identify something that deserves to be called perception without awareness, they must have an operational grasp on not only what it takes to perceive something, but on what it takes to be conscious of it.

\citep[p.~148]{Dretske:2006fv}

Dretske, 2006 p. 148

blindsight:

infer perception from discrimination of visual stimuli

we infer lack of awareness from the subject’s reports