Department of Neurology, University of California-San Francisco, 675 Nelson Rising Ln, San Francisco, CA, 94158, USA.
Neuroscape, University of California-San Francisco, 675 Nelson Rising Ln, San Francisco, CA, 94158, USA.
Sci Rep. 2023 May 8;13(1):7435. doi: 10.1038/s41598-023-34582-1.
Individuals with multi-domain amnestic mild cognitive impairment (md-aMCI) have an elevated risk of dementia and need interventions that may retain or remediate cognitive function. In a feasibility pilot study, 30 older adults aged 60-80 years with md-aMCI were randomized to 8 sessions of transcranial alternating current stimulation (tACS) with simultaneous cognitive control training (CCT). The intervention took place within the participant's home without direct researcher assistance. Half of the participants received prefrontal theta tACS during CCT and the other half received control tACS. We observed high tolerability and adherence for at-home tACS + CCT. Within 1-week, only those who received theta tACS exhibited improved attentional abilities. Neuromodulation is feasible for in-home settings, which can be conducted by the patient, thereby enabling treatment in difficult to reach populations. TACS with CCT may facilitate cognitive control abilities in md-aMCI, but research in a larger population is needed to validate efficacy.
患有多领域遗忘型轻度认知障碍 (md-aMCI) 的个体患痴呆的风险较高,需要进行干预以保留或改善认知功能。在一项可行性试点研究中,30 名年龄在 60-80 岁之间的 md-aMCI 老年患者被随机分为接受 8 次经颅交流电刺激 (tACS) 联合认知控制训练 (CCT) 的组。干预在参与者的家中进行,没有研究人员的直接协助。一半的参与者在 CCT 期间接受前额叶θ tACS,另一半接受对照 tACS。我们观察到家庭 tACS+CCT 的耐受性和依从性都很高。在 1 周内,只有接受θ tACS 的人表现出注意力能力的改善。神经调节适用于家庭环境,可以由患者进行,从而能够为难以接触到的人群提供治疗。tACS 联合 CCT 可能有助于改善 md-aMCI 患者的认知控制能力,但需要更大规模的人群研究来验证疗效。
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