ArticleBrain stimulation
Accelerated iTBS-Induced changes in resting-state functional connectivity correspond with cognitive improvement in amnestic MCI.
Article in Brain stimulation. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Effects of accelerated intermittent theta-burst stimulation combined with cognitive training on brain function in amnestic mild cognitive impairment patients.Neurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology · 2025Trial
- The choice stepping reaction task: how prefrontal network topology reconfigures in aging and dementia.GeroScience · 2026Article
- The Heart's Electromagnetic Field in Emotions, Empathy and Human Connection: Biosensor-Derived Insights into Heart-Brain Axis Mechanisms and a Basis for Novel BioMagnetoTherapies.Sensors (Basel, Switzerland) · 2026Review
- The Role of Transcranial Magnetic Stimulation for the Treatment of Alzheimer's Disease: A Narrative Review.Life (Basel, Switzerland) · 2026Review
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Authors and funding
13 authors.
Funding
Abstract
backgroundPublished results of our Phase I safety and feasibility trial of accelerated intermittent theta burst stimulation (a-iTBS) in mild cognitive impairment (MCI) due to Alzheimer's disease showed a large effect-size improvement in cognition.
objectiveFurther demonstrate target engagement by identifying whether changes in local and network-level functional connectivity relate to the observed cognitive improvement.
methodsEighteen patients with MCI received 3-day a-iTBS (8 sessions/day) to the left dorsolateral prefrontal cortex at Beam F3 (14,400 total pulses) and completed MRI and cognitive testing at pre- and post-treatment. Based on electric field models, we selected 3 stimulated target regions of interest (ROIs) which belonged to the frontoparietal (FPN), default mode (DMN), and ventral attention (VAT) networks (3 target networks). Metrics of resting-state functional connectivity were computed at the ROI level (within-network degree: number of connections) and network level (segregation: strength of connectivity within-network relative to other networks). We correlated changes in cognition and connectivity of the target ROIs and networks; off-target ROI (primary visual) and networks served as negative controls.
resultsImprovements in cognition were associated with connectivity changes in the target ROIs and networks, but not in off-target negative controls. Positive associations were observed for degree of the l-DMN and segregation of target networks overall, with significant effects for DMN and VAT.
conclusionCognitive improvement following a-iTBS in MCI may be attributable to local and network-level reconfigurations in functional connectivity. These findings will inform larger trials designed to further evaluate the neural mechanisms of a-iTBS for cognition in MCI.
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