Hello, testathon.

Electroconvulsive therapy (ECT) Definition - Tests and Procedures - Mayo Clinic
An Overview of Electroconvulsive Therapy (ECT) | Psych Central
Risks of Electroconvulsive Therapy (ECT) | Psych Central

I could not find anything directly on point. In my view, more needs to be learned about how the induced seizure changes the workings of the brain.

I wish you well.