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Matlab psychophysics toolbox

Manufactured by MathWorks
Sourced in United States

The MATLAB Psychophysics Toolbox is a collection of functions and tools designed to facilitate the creation and execution of psychophysical experiments within the MATLAB programming environment. It provides a framework for stimulus presentation, response collection, and data analysis, catering to researchers and developers working in the field of psychophysics.

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2 protocols using matlab psychophysics toolbox

1

Visual Stimuli Generation and Presentation

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Stimuli were generated using the MATLAB Psychophysics Toolbox (MATLAB 2011a, MathWorks, Natick, MA, USA) [52 (link)]. They were presented on a linearized Sony GDM-FW900 monitor (Sony, Tokyo, Japan) (1024 × 768 resolution) running at 100 Hz. Observers viewed stimuli through a mirror stereoscope that was mounted on a chin rest, fixed 92 cm from the display (viewing distance through the mirrors).
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2

Visual Stimuli Characterization Protocol

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Visual stimuli consisted of flashes and drifting gratings presented on an LCD monitor (Samsung SyncMaster 2233, 60-Hz refresh rate) placed 28.5 cm in front of the animal. Stimuli were generated using the Matlab Psychophysics Toolbox (The MathWorks Inc.). Very large (40°) flashes were used for probing visual responses, whereas smaller flashes (8°) were used for quantifying visual spatial receptive fields. To provide more sustained visual stimulation, drifting gratings of 1-s duration were presented in 12 different directions spanning 360°.
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