Medical treatments involving neurostimulation, or cerebral electromagnetic stimulation, are resurfacing and appear to be more effective than drugs for treating depression. Via: healthing_ca
During the past decade, medical treatments involving neurostimulation, or cerebral electromagnetic stimulation, have resurfaced in neuroscience and psychiatry.
and in the process of being approved by Health Canada for wider, accessible deployment. These devices would allow patients to treat themselves at home, without having to go to the clinic every day as is currently the case.However, a major challenge remains: how to control brain activity accurately. What areas and types of magnetic signals should be used to relieve patients’ symptoms? For despite amazing results and promising advances, the mechanisms of neurostimulation remain poorly understood.
The brain, composed of billions of neurons with continuously changing dynamics, is an incredibly complex network. Neurostimulation therefore poses quite a problem for researchers and clinicians, such as where to stimulate and how. The problem is so great that many advances are being made empirically using the trial-and-error method.Mathematics is involved in this interdisciplinary adventure.
Brain activity oscillates like a pendulum and this constant to-and-fro movement allows us to see neuronal processes in action. Like ripples on a pond, brain rhythms are dynamic, changing according to our cognitive states. They will be different during a sustained mental effort, during physical activity and during sleep or meditation.Researchers believe that brain waves are involved in the majority of brain processes.
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