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Brain Scans

Interested in participating in new research exploring potential treatment for dementia?

Learn about our study

The Human Neurophysiology and Imaging Lab at McMaster University is working with Ressam Gardens to develop brain stimulation research designed to help people with Alzheimer’s/Dementia.


We are interested in using brain stimulation to improve cognitive function & balance. We are finding ways to increase the longevity of the beneficial effects of brain stimulation.

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About Brain Stimulation

Repetitive transcranial magnetic stimulation (rTMS) is non-invasive brain stimulation. rTMS delivers magnetic pulses to the brain. The magnetic pulses stimulate neurons and change brain activity.


rTMS has a tapping like sensation and is not painful.


rTMS produces sounds similar to clicking.

Current Findings

rTMS demonstrates better improvements in cognitive function and fewer adverse events in patients with Alzheimer’s/Dementia compared to medication (Wei et al., 2023).


rTMS improves memory &executive function (Chou et al., 2020).


15, 548 individuals with Alzheimer’s/Dementia have participated in rTMS worldwide (Wei et al., 2023).

How rTMS works for Alzheimer's

rTMS is delivered over the dorsolateral prefrontal cortex (DLPFC) or motor cortex (M1) which is an important brain area responsible for thinking and movement, respectively.

What to expect?

  • 3 sessions of rTMS & 10 mins of balance training per day for 14 days

  • Questionnaires​

  • ​Assessments of balance & cognition before and after the rTMS intervention

This study has been reviewed by the Hamilton Integrated Research Ethics Board (HIREB) under project #17300.

To learn more, email:

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Karishma Ramdeo
PhD Candidate, Department of Kinesiology

Wei et al., (2023). Repetitive transcranial magnetic stimulation may be superior to drug therapy in the treatment of Alzheimer's disease: A systematic review and Bayesian network metaanalysis. CNS neuroscience & therapeutics, 29(10), 2912–2924.

Chou et al., (2020). A systematic review and meta-analysis of rTMS effects on cognitive enhancement in mild cognitive impairment and Alzheimer's disease. Neurobiology of aging, 86, 1–10.

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