KyberVision is pleased to announce the availability of Psykinematix 1.0 Release Candidate 2. Feel free to download and evaluate the 15-day trial version, or use the demo to enhance your teaching in visual perception & psychophysics !

Download Psykinematix 1.0 rc2 [27.3MB]

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System Requirements

Minimum: Mac OS X 10.4, G4 800Mhz, 32MB VRAM.
Recommended: Mac OS X 10.4 or 10.5, Intel Core 1.6Ghz or better, 128MB VRAM or better.

Release Notes

Minor updates available through the built-in updater may fix some issues you have.

Version 1.0 RC2   Released: May 1st, 2008

New Features:

  • Support for comparison ( < > ≤ ≥ ≈ ≠ ) and logical ( & | ) operators in Expressions,
  • Statistics on frames duration and skipped frames now reported in the Experiment log drawer,
  • Addition of a checkbox in Onset settings to prevent the standard fixation mark to be displayed, for example when instructions are displayed,
  • Size of polygon shape stimuli can now be specified either as radius (center-to-corner) or side size,
  • Preview exporting supported in Static Composing (copy & image),

Feature Improvements:

  • Selection of Achromatic mode in Experiment Display Settings enforces now an achromatic conversion (R+G+B)/3 at rendering time,
  • Support for variable/expression-based position coordinates in Multimedia,
  • Both response (Hit, Miss) and subject's input (key/button naming) are now provided for each trial in the Trials section of the data table for the first level of the session results,
  • Condition and variables can now be easily duplicated in Conditions method by pressing the Control key and clicking on the '+' button,
  • Support for Conditional and Association composing in Timeline,
  • Support for both contrast (low/high) and luminance (dark/light) modes in RDK and MEF Stimuli,

User interface improvements:

  • Newly created events inside a group event are now automatically shown and selected,
  • Category created events inside a group event are now automatically shown and selected,
  • Calibration warning in Experiment display settings acts now as a button to reset the display settings,

Fixed:

  • Calibration uses now the resolution specified by the popup menu selection rather than the default one set in the Display Prefs,
  • Chromatic tri-stimulus values can be properly specified using variables and expressions,
  • Common properties correctly reset with default values when creating new stimulus,
  • Age of newly added subjects correctly initialized with default month.year birth date,
  • Title in Category column is now more clearly visible when selected,
  • Preview with contrast now correctly rendered when background color is not gray,
  • Combination of multiple criteria for decision made in Discrimination and Yes/No procedures now correctly evaluated,
  • Decision criteria in Discrimination and Yes/No procedures now correctly reset and initialized,
  • Chromatic Mode and Color Space set in Defaults Preferences are now kept consistent with each other,
  • Size parameter in Custom Stimuli can now be used in expressions.

Documentation:

  • Included tutorials also available online,
  • Tutorial entitled "Creating Filtered Noise Stimuli" added.

Version 1.0 RC1   Released: February 21, 2008

Release Candidate 1