نتایج جستجو برای: 8 hz and alpha 8

تعداد نتایج: 16953717  

Journal: :The International journal of neuroscience 1993
E Rahn E Başar

A new algorithm for averaging of evoked potentials (EPs) is introduced and compared with the conventional method. The root mean square (rms) values of the alpha and theta band EEG activities 1-s preceding stimulus presentation were computed: stimuli were blocked during phases of high prestimulus activity, thus evoking auditory responses selectively during periods of low activity. Ten volunteers...

Journal: :Psychological science 2012
David A Bridwell Ramesh Srinivasan

Attention biases sensory processing toward neurons containing information about behaviorally relevant events. These attentional biases apparently reflect the combined influence of feature enhancement and suppression. We examined the separate influence of enhancement and suppression in visual processing by determining whether responses to an unattended flicker were modulated when the flicker fea...

Journal: :Clinical Neurophysiology 2021

Our previous research showed high predictive accuracy at differentiating responders from non-responders to repetitive transcranial magnetic stimulation (rTMS) for depression using resting electroencephalography (EEG) and clinical data baseline one-week following treatment onset a machine learning algorithm. In particular, theta (4–8 Hz) connectivity alpha power (8–13 significantly differed betw...

2014
Winfried Schlee Martin Schecklmann Astrid Lehner Peter M Kreuzer Veronika Vielsmeier Timm B Poeppl Berthold Langguth

Subjective tinnitus is characterized by the conscious perception of a phantom sound which is usually more prominent under silence. Resting state recordings without any auditory stimulation demonstrated a decrease of cortical alpha activity in temporal areas of subjects with an ongoing tinnitus perception. This is often interpreted as an indicator for enhanced excitability of the auditory cortex...

Journal: :Physical review letters 2007
A Cingöz A Lapierre A-T Nguyen N Leefer D Budker S K Lamoreaux J R Torgerson

Over 8 months, we monitored transition frequencies between nearly degenerate, opposite-parity levels in two isotopes of atomic dysprosium (Dy). These frequencies are sensitive to variation of the fine-structure constant (alpha) due to relativistic corrections of opposite sign for the opposite-parity levels. In this unique system, in contrast to atomic-clock comparisons, the difference of the el...

Journal: :Seizure 1998
Miles E. Drake Hosi Padamadan Sharon A. Newell

The interictal EEG is often normal in epilepsy patients, particularly with partial seizures of extratemporal origin. Quantitative techniques of EEG analysis may increase the yield of diagnostic abnormality in such patients. Thirty patients with partial seizures of frontal or temporal origin had EEG recorded from left frontal (F7-C3), right frontal (F8-C4), left posterior (T5-O1), and right post...

Journal: :International journal of psychophysiology : official journal of the International Organization of Psychophysiology 2009
Søren Bo Andersen Roger Anthony Moore Louise Venables Philip Joseph Corr

EEG coherence and EEG power response were recorded as 63 participants engaged in one of three experimental conditions: 'personal rumination', 'nominal rumination', and 'baseline counting'. The rumination conditions were separated by a neutral (counting) task to eliminate neural carry-over effects. For personal rumination, participants spent 2 min ruminating about something in their life about w...

Journal: :ASME open journal of engineering 2023

Abstract Electroencephalogram (EEG) alpha power (8–13 Hz) is a characteristic of various creative task conditions and involved in ideation. Alpha varies as function creativity-related demands. This study investigated the event-related potentials (ERPs), activation, potential machine learning (ML) to classify neural responses engineering students with creativity task. All participants performed ...

Journal: :NeuroImage 2014
Antje Strauß Sonja A. Kotz Mathias Scharinger Jonas Obleser

Slow neural oscillations (~1-15 Hz) are thought to orchestrate the neural processes of spoken language comprehension. However, functional subdivisions within this broad range of frequencies are disputed, with most studies hypothesizing only about single frequency bands. The present study utilizes an established paradigm of spoken word recognition (lexical decision) to test the hypothesis that w...

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