Addiction is a devastating and chronically relapsing disorder. Repeated drug administration induces neuroadaptations associated with abnormal dopaminergic activity in the mesocorticolimbic circuitry, resulting in altered cortical neurotransmission and excitability. Electrical stimulation of specific
Noninvasive Brain Stimulation Protocols in the Treatment of Epilepsy: Current State and Perspectives
โ Scribed by Michael A. Nitsche; Walter Paulus
- Publisher
- Springer-Verlag
- Year
- 2009
- Tongue
- English
- Weight
- 75 KB
- Volume
- 6
- Category
- Article
- ISSN
- 1933-7213
No coin nor oath required. For personal study only.
โฆ Synopsis
In epileptic seizures, there is an enhanced probability of neuronal networks to fire synchronously at high frequency, initiated by a paroxysmal depolarisation shift. Reducing neuronal excitability is a common target of antiepileptic therapies. Beyond or in addition to pharmacological interventions, excitability-reducing brain stimulation is pursued as an alternative therapeutic approach. Hereby, noninvasive brain stimulation tools, such as transcranial magnetic stimulation (TMS) and transcranial direct current stim-ulation (tDCS), have gained increased interest as efficient tools to modulate cortical excitability and activity. In animal models, stimulation-induced cortical excitability diminution has been shown to be suited to reduce seizures. Clinical studies conducted to date, however, have shown mixed results. Reasons for this, as well as possible optimization strategies that might lead to more efficient future stimulation protocols, will be discussed.
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