Results 21 to 30 of about 53,282 (289)

Interneuronal mechanisms of hippocampal theta oscillations in a full-scale model of the rodent CA1 circuit

open access: yeseLife, 2016
The hippocampal theta rhythm plays important roles in information processing; however, the mechanisms of its generation are not well understood. We developed a data-driven, supercomputer-based, full-scale (1:1) model of the rodent CA1 area and studied ...
Marianne J Bezaire   +4 more
doaj   +1 more source

Nonlinear properties of the brain theta rhythm [PDF]

open access: yesИзвестия высших учебных заведений: Прикладная нелинейная динамика
The purpose of this study is to identify nonlinearity of local brain field potential signals during theta rhythm. Methods. The nonlinearity in the signal is manifested in the synchronous behavior of the fundamental frequency and its higher harmonics; to
Dolinina, Anastasiya Yuryevna   +4 more
doaj   +1 more source

Long-term plasticity is proportional to theta-activity. [PDF]

open access: yesPLoS ONE, 2009
BACKGROUND:Theta rhythm in the hippocampal formation is a main feature of exploratory behaviour and is believed to enable the encoding of new spatial information and the modification of synaptic weights.
Marian Tsanov, Denise Manahan-Vaughan
doaj   +1 more source

Attention explores space periodically at the theta frequency [PDF]

open access: yes, 2019
Voluntary attention is at the core of a wide variety of cognitive functions. Attention can be oriented to and sustained at a location or reoriented in space to allow processing at other locations—critical in an ever-changing environment. Numerous studies
Busch, Niko A.   +3 more
core   +2 more sources

Neurofeedback training improves episodic and semantic long-term memory performance

open access: yesScientific Reports, 2021
Understanding and improving memory are vital to enhance human life. Theta rhythm is associated with memory consolidation and coding, but the trainability and effects on long-term memory of theta rhythm are unknown.
Yu-Hsuan Tseng   +2 more
doaj   +1 more source

Parvalbumin Interneurons of Hippocampus Tune Population Activity at Theta Frequency [PDF]

open access: yes, 1946
SummaryHippocampal theta rhythm arises from a combination of recently described intrinsic theta oscillators and inputs from multiple brain areas. Interneurons expressing the markers parvalbumin (PV) and somatostatin (SOM) are leading candidates to ...
Amilhon, Bénédicte   +6 more
core   +1 more source

Frequency Characteristics of Rhythm Non-Assimilation in Canine Ventricular Fibrillation

open access: yesОбщая реаниматология, 2010
Ventricular fibrillation is the main cause of sudden cardiac death in many countries, including Russia; therefore to study ventricular fibrillation is an urgent problem.
M. I. Guryanov
doaj   +1 more source

Long-Term Neurophysiological Outcomes in Patients Undergoing Coronary Artery Bypass Grafting

open access: yesBrazilian Journal of Cardiovascular Surgery, 2021
Introduction: This study aims to evaluate late postoperative neurophysiological outcomes in patients after coronary artery bypass grafting (CABG). Methods: Forty-five male patients with stable coronary artery disease aged 45-69 years underwent extended ...
Irina V. Tarasova   +3 more
doaj   +1 more source

EEG theta and Mu oscillations during perception of human and robot actions. [PDF]

open access: yes, 2013
The perception of others' actions supports important skills such as communication, intention understanding, and empathy. Are mechanisms of action processing in the human brain specifically tuned to process biological agents?
Ishiguro, Hiroshi   +4 more
core   +2 more sources

On the role of theta-driven syllabic parsing in decoding speech: intelligibility of speech with a manipulated modulation spectrum

open access: yesFrontiers in Psychology, 2012
Recent hypotheses on the potential role of neuronal oscillations in speech perception propose that speech is processed on multi-scale temporal analysis windows formed by a cascade of neuronal oscillators locked to the input pseudo-rhythm.
Oded eGhitza
doaj   +1 more source

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