2025
Preliminary Evidence for Perturbation‐Based tACS‐EEG Biomarkers of Gamma Activity in Alzheimer's Disease
Palmisano A, Pezanko L, Cappon D, Tatti E, Macone J, Koch G, Smeralda C, Romanella S, Ruffini G, Rivolta D, Press D, Pascual‐Leone A, El‐Fakhri G, Santarnecchi E. Preliminary Evidence for Perturbation‐Based tACS‐EEG Biomarkers of Gamma Activity in Alzheimer's Disease. International Journal Of Geriatric Psychiatry 2025, 40: e70025. PMID: 39799469, DOI: 10.1002/gps.70025.Peer-Reviewed Original ResearchConceptsPeripheral neuroinflammationIdentification of novel biomarkersResponse to TACPatient's clinical phenotypeSpectral powerGABAergic dysfunctionNo significant correlationPrognostic valueInhibitory circuitryClinical severityClinical phenotypeAnimal modelsCognitive statusNeuroinflammatory markersAlzheimer's diseaseHuman patientsNeuroinflammatory biomarkersNovel biomarkersPatientsDisease severityTherapeutic targetGamma activityBiomarkersMild to moderate dementiaSignificant correlation
2021
Impact of 40 Hz Transcranial Alternating Current Stimulation on Cerebral Tau Burden in Patients with Alzheimer’s Disease: A Case Series1
Dhaynaut M, Sprugnoli G, Cappon D, Macone J, Sanchez J, Normandin M, Guehl N, Koch G, Paciorek R, Connor A, Press D, Johnson K, Pascual-Leone A, Fakhri G, Santarnecchi E. Impact of 40 Hz Transcranial Alternating Current Stimulation on Cerebral Tau Burden in Patients with Alzheimer’s Disease: A Case Series1. Journal Of Alzheimer’s Disease 2021, 85: 1667-1676. PMID: 34958021, PMCID: PMC9023125, DOI: 10.3233/jad-215072.Peer-Reviewed Original ResearchConceptsMicroglia activationGamma spectral powerDecrease of microglia activationNo adverse eventsTranscranial alternating current stimulationSlow disease progressionPlacebo-controlled conditionsPreclinical dataCase seriesAdverse eventsGamma oscillationsElectrophysiological assessmentP-tauMouse modelDisease progressionMesial regionMild to moderate ADAnimal modelsPatientsPET imagingAlzheimer's diseaseSpectral powerAD mouse modelAD patientsProtein clearance
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