词汇 | psychophysical |
释义 | BETA Examples of psychophysicalpsychophysical isn’t in the Cambridge Dictionary yet. You can help! To answer such questions we can explore the expertise of human observers using psychophysical experiments. There is, however, another approach that employs psychophysical performance linked to a neural correlate. Using these cells, we performed a series of psychophysical experiments to determine the optimal pitch. This procedure has the advantage to provide a very good correlation with psychophysical measurements obtained in similar stimulus conditions. Many of the observers had no prior psychophysical experience, and observers were given no feedback about the correctness of their responses. We recorded the subjects' eye movements and psychophysical responses as subjects viewed the stimulus sequence described above in three experimental conditions. There have been major successes in predicting the properties of physiological entities based on psychophysical measurements. Psychophysical experiments consisted of spatial two-choice visual-discrimination tasks for food reward. Responsivity and absolute sensitivity of retinal ganglion cells in goldfish of different sizes, when measured under "psychophysical" conditions. Both had normal, or corrected to normal, vision and were experienced psychophysical observers. This exception may be related to psychophysical evidence of asymmetries in response to light increment and light decrement. To calculate per formance, we deliver stimuli as we would in a psychophysical experiment. Recent psychophysical evidence shows that such "motion streak signals" exist in the human visual system. For all eccentricities, this simple model yielded per formance many times higher than that observed in the psychophysical experiments. Exactly how retinal sensitivity would be modulated as reflected in ganglion cell output, the electroretinogram, or in psychophysical tasks remains to be determined. Before data collection began, observers practiced making the psychophysical judgments and tracking the stimuli in preliminary runs. This was with a view to exploring possible reasons for the discrepancies between the estimates of spectral bandwidths repor ted by earlier psychophysical studies. Psychophysical model of chromatic perceptual transparency based on subtractive color mixture. Physiological mechanisms underlying psychophysical sensitivity to combined luminance and chromatic modulation. The psychophysical task was a two-alternative forcedchoice directional discrimination. |
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