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Questions and Answers
What is transcranial magnetic stimulation (TMS)?
What is transcranial magnetic stimulation (TMS)?
TMS is a noninvasive form of brain stimulation in which a changing magnetic field is used to induce an electric current at a specific area of the brain through electromagnetic induction.
How is the electric current induced in TMS?
How is the electric current induced in TMS?
An electric pulse generator, or stimulator, is connected to a magnetic coil connected to the scalp. The stimulator generates a changing electric current within the coil which creates a varying magnetic field, inducing a current within a region in the brain itself.
What are some adverse effects of TMS?
What are some adverse effects of TMS?
Adverse effects of TMS include fainting, seizure, discomfort, pain, hypomania, cognitive change, hearing loss, and inadvertent current induction in implanted devices such as pacemakers or defibrillators.
How are the medical uses of TMS categorized?
How are the medical uses of TMS categorized?
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What are some approved treatments for TMS?
What are some approved treatments for TMS?
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Study Notes
Transcranial Magnetic Stimulation (TMS)
- A non-invasive brain stimulation technique that uses magnetic fields to stimulate nerve cells in the brain
Induction of Electric Current
- Electric current is induced in TMS when an electromagnetic coil is placed on the scalp, generating a magnetic field that passes through the skull and induces an electric current in the brain tissue
Adverse Effects of TMS
- Common adverse effects include headache, scalp discomfort, and facial twitching
- Rare but serious adverse effects include seizures, hearing loss, and mania induction in individuals with a history of bipolar disorder
Medical Uses of TMS
- Categorized into two main areas: therapeutic and diagnostic
- Therapeutic uses: treatment of depression, anxiety, and other psychiatric conditions
- Diagnostic uses: localization of brain function, such as language and motor function mapping
Approved Treatments for TMS
- Depression: FDA-approved for treatment-resistant depression
- OCD: FDA-cleared for treatment of obsessive-compulsive disorder
- Other potential treatment areas: anxiety, PTSD, and chronic pain management
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Description
Test your knowledge of transcranial magnetic stimulation (TMS) with this quiz! Explore the principles and applications of this noninvasive brain stimulation technique, including its uses in research and clinical practice.
