Fig. 1
Schematic timeline for L3D data collection. Figure legend: amy: Amyloid PET, blood: blood sampling (apolipoprotein â–¡4 genotyping, blood glucose and serum lipids), CB: Chill Band wristband monitoring, CON: control subject, ECT: electroconvulsive therapy, EMA: ecological momentary assessment, LLD: late-life depression, MRI: magnetic resonance imaging, motor: neurological and task based assessment of motor function, NP: neuropsychological testing and psychiatric intake, SV2A: synaptic density PET with synaptic vesicle 2A tracer, t:tau PET, US: doppler ultrasound (intima media thickness) *following the 10th ECT treatment