Related Sites

Johns Hopkins Department of Neurology

Kennedy Krieger Institute

Kirby Center for Functional Brain Imaging

Johns Hopkins  University School of Medicine

Johns Hopkins University

Lab-only links

The Johns Hopkins Department of Neurology

Participate in a NIMLAB fMRI Study!

We are always looking for participants for our fMRI research studies. Brain imaging lasts between 1-2 hours, and in addition to being paid for their time ($25/hour), participants receive a photograph of their brain.

Functional Magnetic Resonance Imaging (fMRI) allows researchers to obtain images of brain activity over time, as participants complete various tasks. These images provide clues about which areas of the brain are related to cognitive processes, and how different brain regions work together. The findings from fMRI research shed light on how the brain is organized.



Available fMRI study and fMRI/TMS study:

Investigation of cerebellar involvement in cognitive function
Principal Investigator: John E. Desmond, Ph.D., IRB Protocol number: IRB00054876
Eligibility Criteria:
* Age 19-30
* Native speaker of English (i.e., have learned English before the age of 5)
* Right handed
* Educational Attainment of at least eight years

Please contact Belle Liang at or 4105025151 if you are interested in participating

If you would like to learn more about transcranial magnetic stimulation (TMS), please click this link.

Brain image from fMRI scan

What to expect

During the study, an fMRI scanner, like the one in the photo below, will take images of your brain as you complete tasks such as reading or remembering letters and responding to questions by a keypad. It is important that you devote all of your effort to the tasks you complete, in order for the images of your brain to be meaningful.

fMRI is a very safe, noninvasive imaging technology. Unlike x-rays, fMRI does not use ionizing radiation. Instead, fMRI images are generated from a strong magnetic field and low-power radio-waves, which expose fMRI subjects to much less energy than x-ray subjects.

You will lie with your back on a table that slides into a horizontal cylinder in the scanner. Once inside the scanner, it is important to lie still, as many images of your brain will be taken over time, and to be useful, the images must line up. In order to help you stay still and comfortable, pillows will be placed under and around your head and body in the scanner.

The scanner makes loud beeping noises, so you will be given earplugs or headphones. You will always be able to communicate with the researchers, although they will not neccessarily be able to hear you over the noise made by the scanner. The researchers will frequently interact with you to make sure that you are comfortable and to let you know what will happen next. You should not experience any discomfort. If you do, alert the researcher and the scan will be stopped if the discomfort is significant or cannot be alleviated.

Philips Scanner