Transcranial Direct Current Stimulation and Autism



Status:Recruiting
Conditions:Neurology, Psychiatric, Autism
Therapuetic Areas:Neurology, Psychiatry / Psychology
Healthy:No
Age Range:14 - 79
Updated:2/10/2019
Start Date:October 2015
End Date:December 2025
Contact:Alli Dallavecchia
Email:CogNeuroResearch@jhmi.edu
Phone:443-287-1701

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The Use of Transcranial Direct Current Stimulation (tDCS) to Improve Communicative Efforts, Speech, Language and Related Cognitive Functions in Individuals With Autism

This research is being done to determine whether transcranial direct current stimulation
(tDCS) can improve certain mental abilities, such as speech, language and other efforts at
communication in individuals with autism.

In this research, battery powered device is used to deliver very weak electrical current to
the surface of the scalp while participants are involved in tasks aimed at training or
measuring communicative efforts, speech, language or related cognitive functions. Our aim is
to find out whether tDCS will improve these mental abilities.

Participants in the study will be asked to do the following things:

- Grant permission for the researchers to view medical/psychological and/or educational
and/or speech records associated with the diagnosis of low-functioning autism.

- Complete a questionnaire and provide a health history.

- Complete evaluations by our study team to assess the diagnosis and gain a clearer
understanding of the participant's current functioning.

- Give permission to audio and video-tape test sessions for later scoring and observation.

- Give permission to audio or video-tape in the classroom or home environment using
non-intrusive audio-visual recording devices.

- Complete several tasks and training interventions that involve such things as learning
new words or pictures, saying words out loud, or naming objects.

- Participate in an eye tracking study while completing a task on the computer which
involves wearing a headband, attached by a velcro fastener, which contains a magnetic
sensor. This equipment allows us to track the position of the head in order to record
more accurate measurements. It is used with eye tracking equipment which measures the
gaze on a set point on a computer screen. The equipment poses no risk and is
non-invasive.

- Participate in computerized tasks while monitoring brain responses that are a direct
result of a thought or perception. In order to monitor these responses, electrodes would
be placed over various points on your scalp. The electrodes will record the on-going
activity of the brain; it does not produce or introduce any electrical activity. The
equipment poses no risk and is non-invasive.

- Wear electrodes that will be placed on the scalp with a large rubberized band. These
electrodes will administer very weak electrical current (tDCS) from a battery powered
device for 20 to 60 minutes.

The experimental sessions will last about 1 hour and participants may be asked to have more
than one testing session in a day or to return for additional sessions.

Inclusion Criteria:

- Clinical diagnosis of autism or related conditions

- Identified language deficit(s) and/or other cognitive or behavioral impairments (which
will be specific to each sub-study)

- Adequate ability to perform the research tasks set for the individual's particular
level of performance

Exclusion Criteria:

- Peripheral blindness or deafness

- Any implanted metal device (precludes use of tDCS)

- Any implanted cardiac pacemaker
We found this trial at
1
site
Baltimore, Maryland 21231
Principal Investigator: Barry Gordon, M.D., Ph.D.
?
mi
from
Baltimore, MD
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