Rock Solid Response Pads for MRI That… Just Work.

Reliable, Accurate, and Safe

Lumina is a quality-built patient response system (also called button response unit, or BRU) designed for use in an MRI environment. It meets the requirements of both the clinical and research communities.

For maximum patient safety, the response pads are built with 100% plastic and fiber optics, eliminating all risk to patients and all interference with or from the magnet.

Key Layouts for Different Applications


The most popular and general purpose model; two buttons per hand.


Easily used in either hand.


Designed for experiments that involve spatial orientation.


Ergonomic larger pad, allows hand to rest on it. Left hand version also available, model LS-LH.


Gaming-like response pad.


General purpose; also suitable for ratings and scales, e.g Likert.

Stimulus Types

Lumina’s sturdy and fast controller captures patients’ button presses and the triggers generated by MR scanners, time-stamps them with a millisecond accuracy, and converts them into simultaneous USB port and parallel outputs*.

The controller is supported by many software packages and programming languages (see below).


* Time-stamped information is output only on the USB port

Trusted By The World’s Best Companies

We take great pride in being the exclusive button response unit (BRU) supplier to the world’s premier suppliers of MRI accessories. There is no greater endorsement or compliment.

Extensive Software Support



Published by Cedrus; built-in support

EyeLink Experiment Builder

Built-in support


Controller emulates a PST Serial Response Box


Cedrus provides a plug-in for Presentation


By Medical Numerics; built-in support


Built-in support


The commands that the Lumina controller accepts are public. Cedrus publishes and maintains Python and C++ code libraries.


By Cambridge Research Systems; built-in support


By Perception Research Systems


Linux open source library by Dr. Gijsbert Stoet

Premium Warranty Available

Lumina systems are covered by a one year standard warranty. We also offer a premium warranty for more peace mind that includes:

Longer Coverage

Three times longer, to be exact. Your system is covered for a full three years instead of one.

Immediate Replacement

Should your system break down for any reason, Cedrus will send you a replacement unit immediately that you can use until your unit is repaired.

More Lumina


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