Chronos™ - A Multifunctional Response and Stimulus Device

Pre-order Discount Pricing Ends June 30th!

Chronos Product Information Sheet

Chronos is a powerful new USB-based response and stimulus device.  Chronos allows the accurate collection and verification of tactile, auditory, visual, and analog responses along with providing a precise source of audio and generic analog output timing. Chronos features millisecond accuracy and consistent sound output latencies across machines. Chronos includes 16 digital inputs and 16 digital outputs, eliminating the need for a parallel port. All responses collected are synchronous to the E-Prime® time domain. Multiple Chronos devices can be connected to a single PC (E-Prime 2.0 Professional). The Chronos back panel features Kensington lock support to secure the device (lock not included).

Pre-orders placed on or before June 30th will receive a 10% discount. Credit card orders will be processed and billed immediately. You will be notified via UPS when your order has shipped. A quantity discount of 10% will be applied to orders of 5 or more. Orders can be placed in our shopping cart or by contacting our Sales department by email, phone (412-449-0078), or fax (412-449-0079).

The Chronos system includes a microphone, Photo Sensor, and auxiliary I/O breakout cable (2 digital inputs, 2 digital outputs, 1 analog input, 1 analog ground, power (5 V) and digital ground). The Photo Sensor can be used on CRT, LCD, and projection displays to detect stimulus onset events, refreshes, and measure rise and fall times.

The Chronos graphical user interface allows for user-friendly implementation of the system's wide range of features. Chronos also introduces a large set of Task Events to facilitate the design of basic to complex experiments without the use of script (E-Prime 2.0 Professional).

Continue reading about Chronos features...

PST at OHBM

PST demonstrated Chronos as well as some of our fMRI hardware solutions at OHBM in Honolulu last week. Many thanks to our users who stopped by our booth! We enjoy talking with our users to get feedback on our products to continue to improve and design future versions.

If you have not seen a demonstration of our Celeritas Fiber Optic Response System and the Hyperion Digital Projection System fMRI products, please check out this visualization in an MR facility.

E-Prime 2.0 Service Pack 2

E-Prime 2.0 SP2 (2.0.10.356) is now available in our Product Service and Support Site downloads area. This service pack is a free update. E-Prime 2.0 SP2 introduces improved stability in E-Studio to decrease occurrences of crashes and HASP driver issues. There is no file format change; users can run SP1 and SP2 experiments in either version. Changes in SP2 only affect the E-Studio application, so there is no concern when considering to update from SP1 to SP2.

The service pack includes an updated HASP driver and several bug fixes.

To view the complete list of bug fixes, please read 5630 E-Prime 2.0 Change History (2.0.10.353 SP1 to 2.0.10.356 SP2).

See also: 5631 Should I update to E-Prime 2.0 SP2?

E-Prime Extension users are able to update to E-Prime 2.0 SP2. More information on E-Prime Extension compatibility is available in Knowledge Base article 5346.

Knowledge Base Moving Soon

We are currently in the process of moving our Knowledge Base over to our new Product Service and Support site. It will be accessible at it's current location until we have fully completed the migration. Our new Knowledge Base has highly improved search functionality and organization. The new Knowledge Base will continue to be public, not requiring a login. Previous end user comments to current Knowledge Base articles will be carried over to the new site.

E-Prime Webinars and Training

In response to your feedback, we will be replacing most of our webinars with 14-day access to E-Prime training videos that cover the same content. This will allow users more time to work along with the training sessions at their own pace. Our MindBites store has been updated with the Intermediate E-Prime training video. Additional videos will be available soon.

E-Prime training is available online, at workshops, in-person at our office in Pittsburgh, PA and at your institution for private training. If you are interested in training at PST or at your institution, contact us.

Upcoming Free Basic E-Prime Webinars

E-Prime Knowledge Base Articles and Samples

• 5631 Should I update to E-Prime 2.0 SP2?
• 5628 E-Prime 2.0 Timing Data
• 5346 INFO: Which version of E-Prime should I use with E-Prime Extensions?
• 5630 E-Prime 2.0 Change History (2.0.10.353 SP1 to 2.0.10.356 SP2)
• 5379 INFO: Known Issues in E-Prime 2.0

Below are a few of our popular Samples in our Resources area:

• Conditional Actions Based On A Subject's Response (Contingent Branching)
• Response Areas for Mouse Input
• Joystick Sample for E-Prime 2.0.10.242+
• Clear Stimulus-Leave More Time for Response

Helpful Tips - E-Prime How To Videos

• c.SetAttrib Command
• Professional to Standard Experiment (.es2) File Conversion
• Nested Lists
• Advanced Attributes

Publications using E-Prime

PST encourages researchers to send us a notification of their publications which use E-Prime so that we may list them on our website. Recent articles added include:

• Solska, A. & Rojczyk, A. (2014): Exploring interpretation and misinterpretation of garden-path sentences in Polish. International Review of Pragmatics. Advance Online Publication. (Abstract)
• Shoemaker, E. & Rast, R. (2013). Extracting words from the L2 speech stream: a first exposure study. Second Language Research. 29 (2), 35-53. (Abstract)

• Schneider, W., Eschman, A., and Zuccolotto, A. (2012). E-Prime User's Guide. Pittsburgh: Psychology Software Tools, Inc.
• Schneider, W., Eschman, A., and Zuccolotto, A. (2012). E-Prime Reference Guide. Pittsburgh: Psychology Software Tools, Inc.

Chronos Pre-Ordering and Pricing

Chronos shipping is estimated to begin July 15th. Due to high demand, orders may take longer to ship. Pre-orders are now being accepted. Pre-orders placed on or before June 30th will receive a 10% discount. Credit card orders will be processed and billed immediately. You will be notified via UPS when your order has shipped. A quantity discount of 10% will be applied to orders of 5 or more. Orders can be placed in our shopping cart or by contacting our Sales department by email (sales@pstnet.com), phone (412-449-0078), or fax (412-449-0079). If you do not wish to participate in the pre-order promotion, please stay connected for when Chronos is in stock.

Pre-orders placed before June 30th will receive a 10% discount.

Chronos Features

Chronos Response Features:

• Keys
  • 5 buttons
  • 16 digital inputs*
  • Voice key
  • 2 foot pedals (accessories)
  • n-key rollover
  • Programmable debounce intervals
• Audio Recording
  • Stream and save vocal responses
  • Start recording at object onset OR when speaking begins
• Voice
  • Sound-activated response (voice key)
  • Condenser- or dynamic- microphone compatible
  • Configurable audio input gain
  • Configurable threshold settings for incoming audio responses and recording
  • Detect sound to silence (offset threshold/post-silence interval)
• Analog Input*
  • 3 Analog Inputs (plus Photo Sensor) with configurable onset and offset thresholds

Chronos Stimulus Presentation Features:

• LEDs
  • 5 LEDs with programmable RGB color values (>4,000 colors per LED)
  • Assign color values as response mapping verification, stimuli, or as feedback based on accuracy
• Audio Output
  • Present auditory stimuli with accurate and precise sound output latencies of 1 ms (Mix Mode 1) or a fixed latency of 6 ms (Mix Mode 2) across different machine hardware
  • Configurable onset and offset output thresholds per channel
• Digital Output*
  • 16 Digital Outputs
• Analog Output*
  • 4 Analog Outputs
  • Generate sine, saw tooth, square, triangle, and custom waveforms
• Pulse Generator*
  • Generate square waveforms of configurable frequency

Chronos Accessories (sold separately):

• I/O Expander
• Required for full capability of external analog and digital I/O
• Push release wire terminal block for each I/O connection (16 digital inputs, 16 digital outputs, 2 analog inputs, 4 analog outputs, 1 pulse generator, power and ground)
• A 40-pin IDC Header for carrying all digital I/O on a single ribbon cable
• Pivoting removable wiring cover
• Custom Expansion Kit
• Includes protoyping board, interface cables, mounting hardware, and enclosure
• Requires I/O Expander
• LEDs, switches, sliders, and dials are sold separately to configure customization of up to 16 inputs and outputs
• Foot Pedal
  • Single or dual

*This feature requires separate purchase of the Chronos I/O Expander for full functionality

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