This study is out on PubMed today. The pdf is not yet available, so I have copied the entire citation, with abstract:

Cognitive Function After Electroconvulsive Therapy for Depression: Relationship to Clinical Response

Ian M Anderson 1, R Hamish McAllister-Williams 2, Darragh Downey 3, Rebecca Elliott 1, Colleen Loo 4
   Psychol Med, 1-10, 2020 Feb 27 [Online ahead of print]                    PMID: 32102725

 Abstract
Background: As uncertainty remains about whether clinical response influences cognitive function after electroconvulsive therapy (ECT) for depression, we examined the effect of remission status on cognitive function in depressed patients 4 months after a course of ECT.
Method: A secondary analysis was undertaken on participants completing a randomised controlled trial of ketamine augmentation of ECT for depression who were categorised by remission status (MADRS ⩽10 v. >10) 4 months after ECT. Cognition was assessed with self-rated memory and neuropsychological tests of anterograde verbal and visual memory, autobiographical memory, verbal fluency and working memory. Patients were assessed through the study, healthy controls on a single occasion, and compared using analysis of variance.
Results: At 4-month follow-up, remitted patients (N = 18) had a mean MADRS depression score of 3.8 (95% CI 2.2-5.4) compared with 27.2 (23.0-31.5) in non-remitted patients (N = 19), with no significant baseline differences between the two groups. Patients were impaired on all cognitive measures at baseline. There was no deterioration, with some measures improving, 4-months after ECT, at which time remitted patients had significantly improved self-rated memory, anterograde verbal memory and category verbal fluency compared with those remaining depressed. Self-rated memory correlated with category fluency and autobiographical memory at follow-up.
Conclusions: We found no evidence of persistent impairment of cognition after ECT. Achieving remission improved subjective memory and verbal memory recall, but other aspects of cognitive function were not influenced by remission status. Self-rated memory may be useful to monitor the effects of ECT on longer-term memory.
Keywords: Cognition; depressive disorder; electroconvulsive therapy; memory; remission.

 Another recently published study, this one from the CORE-PRIDE group, just came out in print yesterday, documenting excellent tolerability of right unilateral ultra brief pulse (RUL-UBP) ECT in a cohort of 240 geriatric patients with depression:

 Lisanby SH, McClintock SM, Alexopoulos G, Bailine SH, Bernhardt E, Briggs MC, Cullum CM, Deng Z-D, Dooley M, Geduldig ET, Greenberg RM, Husain MM, Kaliora S, Knapp RG, Latoussakis V, Liebman LS, McCall WV, Mueller M, Petrides G, Prudic J, Rosenquist PB, Rudorfer MV, Sampson S, Teklehaimanot AA, Tobias KG, Weiner RD, Young RC, Kellner CH. Neurocognitive effects of combined electroconvulsive therapy (ECT) and venlafaxine in geriatric depression: Phase 1 of the PRIDE Study. American Journal of Geriatric Psychiatry. 28(3): 2020, 304-316.

 Here is the url for the pdf of this paper:

 https://drive.google.com/file/d/17JCDBDwWp1fx44DNJcSgjoQFMNQft4Oc/view?usp=sharing

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