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SuperLab System for MP36/35 or MP36R

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SuperLab® Stimulus Presentation System

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SuperLab System for MP36/36R/35
Part #: STP35W

The STP35W is a stand-alone system that measures subject responses to visual or auditory stimuli. Includes SuperLab, c-pod, response box, and interface.

SuperLab –  present visual stimuli on a computer screen, or auditory stimuli via headphones or speakers, and simultaneously (1 ms resolution) send trigger signals for data synchronization and collection purposes to an MP36/35 BSL System or MP36R Research System.

c-pod marking unit – for measuring physiological responses to stimuli, the c-pod marking unit synchronizes multiple signals (input) between the STP35W and the MP36/36R/35 System. The c-pod will send event markers via USB with high precision. Features include Asynchronous Output; Scheduler; Pattern Generation; Mixed output, 32-bit microprocessor. c-pods simplify connection & timing details and deliver guaranteed jitter-free performance.

Response Box – Use the six-pushbutton response box for performing accurate (1 ms resolution) reaction time measurements.

Interface – use the included STP35B for MP36/36R/35 to parallel port connections.

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SuperLab System for MP36/35
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Part #: STP35W
Categories: Stimulation - Education, Stimulation - Research
Subcategories: Stimulus Presentation - Education, Stimulus Presentation - Research

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SuperLab

The SuperLab software can be used to change the placement of visual stimuli on the screen, change the screen’s background color, choose from a variety of input and timing options, and provide feedback to subjects based on either response or reaction time. Different trigger channels can be paired to different visual or auditory stimuli to perform sophisticated evoked response averaging tests (e.g. P300).

C-POD

IT’S A COMPUTER

Inside the c-pod you’re getting a computer with a speedy 32-bit engine, humming with useful, well-polished software.

ASYNCHRONOUS OUTPUT

With a traditional I/O card like the ones from Measurement Computing or National Instruments, a software program that wants to send a pulse needs to wait for the duration of the pulse before it can resume its own work. Imagine sending a postcard to a friend and then not being able to do anything else until that postcard is delivered. It’s a lot of wasted time. This is synchronous delivery.

c–pod can deliver signals asynchronously: an application sends it a command that includes the pulse duration and then resume its own work, e.g. to present a stimulus or look for participant response. c–pod takes care of completing the pulse delivery.

SCHEDULER

c–pod takes the idea of async output a step further. Instead of delivering a pulse now, why not deliver it later? Better yet, why not deliver multiple pulses later?

This turns out to be a useful feature that answers the following question: when presenting a movie or sound, how can I mark certain points precisely while it is playing?

With the scheduling feature, you can preload c–pod with a list of times when a pulse should be delivered, the length of the pulse, and the output line(s) that it should be delivered on. A subsequent command can be sent at the onset of the movie or sound to start executing the schedule.

PATTERN GENERATION

c–pod can function as a pattern generator as well, sending periodic pulses out on an output line that you choose, or even pulses of different periods on multiple output lines. This is handy for applications that require strobing, or where the intensity of light or a motor is controlled using pulse width modulation (PWM).

MIXED OUTPUT

And more: the features described above are not mutually exclusive. While a schedule is being executed on, say, output lines 1, 2, and 3, you can still send an async pulse command at any time on the remaining lines 4 through 8.

Similarly, while a pattern is being generated on some lines, you can send an async pulse command on the remaining lines. c–pod will not skip a beat.

 


Important Notes

  • Second PC required
The synchronization signal(s) coming from the STP35W can be directed to a BIOPAC System running on a PC or a Mac, but it’s not possible to run the STP35W on the same computer as the BSL MP36/35 System or MP36R Research System. The STP35W requires that the SuperLab software and c-pod be placed on a PC running Windows 7/Vista/XP; Mac OS X setups require a StimTracker (STK100).
  • STP35W is the SuperLab System for the BSL System MP36/35 or Research System MP36
  • See BSL PRO Lesson H30 Stroop Effect for details of the classic psychology experiment and a sample of how SuperLab works with the BSL System.

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