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BOLDSync: a MATLAB-based toolbox for synchronized stimulus presentation in functional MRI.

Jitesh Joshi¹, Sumiti Saharan¹, Pravat K Mandal²

¹Neuroimaging and Neurospectroscopy Laboratory, National Brain Research Centre, Gurgaon, India.

Journal of Neuroscience Methods

|December 19, 2013

Summary

This summary is machine-generated.

BOLDSync is a new MATLAB toolbox for precise stimulus presentation in functional magnetic resonance imaging (fMRI) experiments. It offers millisecond synchronization accuracy for visual, audio, and audiovisual stimuli.

Keywords:

ASF AV Accuracy BOLD BOLDSync Functional MRI GUI HID MATLAB NDyns NI National Instruments PCI RCU SDU SPS Stimulus presentation Synchronization TR Toolbox VLC VLC media player WaVE a simple framework audio-visual blood oxygen level dependent fMRI functional magnetic resonance imaging graphical user interface human interface device no. of dynamics peripheral component interconnect repetition time response collection unit sound and display unit stimulus presentation system wake-forest visual experimentation

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Area of Science:

Neuroimaging
Cognitive Neuroscience
Experimental Psychology

Background:

Accurate brain region identification in functional magnetic resonance imaging (fMRI) relies on precise and synchronized stimulus presentation.
Task-specific brain activity mapping requires reliable experimental control.

Purpose of the Study:

To introduce BOLDSync, a novel MATLAB-based toolbox designed for synchronized stimulus presentation in fMRI.
To provide a user-friendly and versatile solution for researchers conducting fMRI experiments.

Main Methods:

Development of BOLDSync, a MATLAB toolbox for stimulus presentation.
Simulation experiments to evaluate synchronization accuracy.
Application of BOLDSync in an audiovisual (AV) fMRI study.

Main Results:

BOLDSync demonstrates millisecond synchronization accuracy.
The toolbox supports visual, audio, and multimodal AV stimuli presentation.
BOLDSync was successfully applied in an AV fMRI experiment.

Conclusions:

BOLDSync offers a reliable, efficient, and versatile solution for synchronized stimulus presentation in fMRI.
Its user-friendly interface and precision provide an advantage over existing toolboxes.