Neurobiological mechanisms and therapeutic impact of electroconvulsive therapy (ECT)

Vol. 65 No. 1, 2024

ROMANIAN JOURNAL of MORPHOLOGY and EMBRYOLOGY

Ana-Maria Cojocaru, Antonia Ioana Vasile, Simona Corina Trifu

Electroconvulsive therapy (ECT) is an efficient therapeutic resource for psycho-pharmacotherapeutic resistant forms of depression. ECT is a form of electrical brain stimulation involving the induction of a controlled seizure, clinically similar to an epileptic seizure, that is initiated in the prefrontal region of the brain and spreads to the cortex and subcortex, including the diencephalic structures. This is achieved by creating a transcranial electric field and synchronously depolarizing neuronal membranes. The mechanisms of action of ECT are not yet fully understood, but several hypotheses have been proposed to explain how it affects the brain: neurotransmitter changes, neuroplasticity, network connectivity, endocrine system regulation and changes in regional cerebral blood flow and regional metabolism.

Corresponding author: Antonia Ioana Vasile, MD; e-mail: antoniaioana97.vasile@gmail.com

DOI: 10.47162/RJME.65.1.02 Download PDF
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