Abstract
A series of frequency-of-seeing experiments has been carried out, using an Ar** plus laser operated at 514. 5 nm as the source of light. In certain blocks of trial, the subjects were encouraged to report as seen those trials in which the stimulus might have been present. It was determined that sensitivity and reliability were traded against each other over a broad range: for the four subjects, the detection of 147 photons at the cornea with 60% frequency of seeing entailed, on the average, a 1% false-positive rate (FPR), whereas the detection of 34 photons at the cornea with 60% frequency of seeing was accompanied by a 33% FPR. A new neural-counting model has been developed in the framework of signal-detection theory.
Original language | English (US) |
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Pages (from-to) | 419-431 |
Number of pages | 13 |
Journal | Journal of the Optical Society of America |
Volume | 72 |
Issue number | 4 |
DOIs | |
State | Published - 1982 |
All Science Journal Classification (ASJC) codes
- General Engineering