![]() ![]() ![]() ![]() Stimuli were projected onto a screen at the end of the magnet bore that participants viewed by way of a mirror mounted on the head coil. The students were typically able to create their own projects in 2 h. PSYSCOPE V.1.2.5 (17) controlled stimulus presentation and re-corded participants’ behavioral responses by means of a keypress interfaced with a PSYSCOPE button box (Carnegie Mellon Uni-versity, Pittsburgh). Such testing will improve the approach with each semester. Stage 2 testing identified additional bugs to be corrected and new features to be considered to facilitate student understanding of the experiment model. Findings from the individual testing in Stage 1 resulted in significant changes to documentation and training materials and identification of bugs to be corrected. In both individual and classroom testing, the students learned to effectively use PEAK within 2 h, and were able to create a lexical decision experiment in under 10 min. There were three active conditions and three baseline social reasoning conditions per scan. Following the procedure introduced by Ballas (1993), we asked subjects to listen to a large number of environmental sounds and to press a button as soon as they believed they had identified the source of each sound. PsyScope X Button Box Info Page The ioLab USB Button Box One of the fundamental requirements to do successful experimentation is a reliable button box, able to collect responses and interact with several experimental devices. Each scan (lasting 306 seconds) incorporated six 51-second epochs in an alternating A/B boxcar design. Sound stimuli were presented through Optimus Pro 50MX headphones. Formal usability testing was done in two stages: (1) detailed coding of 10 individual subjects in one-on-one experimenter/subject videotaped sessions and (2) classroom testing of 64 undergraduates. A PsyScope button box was used to collect the responses. The application then executes experiments with centisecond precision. Students fill in a spreadsheet listing of independent variables and stimuli, insert columns that represent experimental objects such as slides (presenting text, pictures, and sounds) and feedback displays to create complete experiments, all within a single spreadsheet. The Psychology Experiment Authoring Kit (PEAK) is a novel spreadsheet-based interface allowing students and researchers with rudimentary spreadsheet skills to create cognitive and cognitive neuroscience experiments in minutes. For information on how to order from them go here.It is a small separate box with a separate microprocessor, three push buttons, matching LEDs, an output to the Macintosh, outputs to other devices, additional input lines, and a built-in voice activated relay. In academic courses in which one task for the students is to understand empirical methodology and the nature of scientific inquiry, the ability of students to create and implement their own experiments allows them to take intellectual ownership of, and greatly facilitates, the learning process. Stimuli were generated by a Macintosh G3 computer using the psyscope software program and rear projected (Ampro Model LCD-150, Melbourne, FL) onto a projection screen positioned at the head end of the MRI scanner bore. The PsyScope button box is sold by New Micros in Dallas, TX. ![]()
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