Transcranial alternating current stimulation (tACS) mechanisms and protocols

AV Tavakoli, K Yun - Frontiers in cellular neuroscience, 2017 - frontiersin.org
Perception, cognition and consciousness can be modulated as a function of oscillating
neural activity, while ongoing neuronal dynamics are influenced by synaptic activity and …

The modulation of cognitive performance with transcranial alternating current stimulation: a systematic review of frequency-specific effects

K Klink, S Paßmann, FH Kasten, J Peter - Brain Sciences, 2020 - mdpi.com
Transcranial alternating current stimulation (tACS) is a non-invasive brain stimulation
technique that allows the manipulation of intrinsic brain oscillations. Numerous studies have …

Neural entrainment to speech modulates speech intelligibility

L Riecke, E Formisano, B Sorger, D Başkent… - Current Biology, 2018 - cell.com
Speech is crucial for communication in everyday life. Speech-brain entrainment, the
alignment of neural activity to the slow temporal fluctuations (envelope) of acoustic speech …

Transcranial alternating current stimulation with speech envelopes modulates speech comprehension

A Wilsch, T Neuling, J Obleser, CS Herrmann - NeuroImage, 2018 - Elsevier
Cortical entrainment of the auditory cortex to the broadband temporal envelope of a speech
signal is crucial for speech comprehension. Entrainment results in phases of high and low …

Modulation of gamma oscillations as a possible therapeutic tool for neuropsychiatric diseases: A review and perspective

D Strüber, CS Herrmann - International Journal of Psychophysiology, 2020 - Elsevier
Abstract Gamma oscillations (30–80 Hz) are well-known for their role in cortical signal
transmission and cognitive brain functions. Aberrant gamma activity has been observed in …

Amplitude modulated transcranial alternating current stimulation (AM-TACS) efficacy evaluation via phosphene induction

C Thiele, T Zaehle, A Haghikia, P Ruhnau - Scientific reports, 2021 - nature.com
Amplitude modulated transcranial alternating current stimulation (AM-tACS) is a novel
method of electrostimulation which enables the recording of electrophysiological signals …

Effects of low-gamma tACS on primary motor cortex in implicit motor learning

A Giustiniani, V Tarantino, RE Bonaventura… - Behavioural brain …, 2019 - Elsevier
In the primary motor cortex (M1), rhythmic activity in the gamma frequency band has been
found during movement planning, onset and execution. Although the role of high-gamma …

Functional role of cerebellar gamma frequency in motor sequences learning: a tACS study

A Giustiniani, V Tarantino, M Bracco, RE Bonaventura… - The Cerebellum, 2021 - Springer
Although the role of the cerebellum in motor sequences learning is widely established, the
specific function of its gamma oscillatory activity still remains unclear. In the present study …

[HTML][HTML] Transcranial electrical stimulation improves phoneme processing in developmental dyslexia

KS Rufener, K Krauel, M Meyer, HJ Heinze, T Zaehle - Brain stimulation, 2019 - Elsevier
Background About 10% of the western population suffers from a specific disability in the
acquisition of reading and writing skills, known as developmental dyslexia (DD). Even …

Transcranial Alternating Current Stimulation (tACS) differentially modulates speech perception in young and older adults

KS Rufener, MS Oechslin, T Zaehle, M Meyer - Brain Stimulation, 2016 - Elsevier
Background Normal aging is accompanied by a functional decline in processing temporal
features of spoken language, such as voice onset time (VOT). On an electrophysiological …