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Alpha rhythm, described by Hans Berger, is mainly recorded from the occipital cortex (OCC) of relaxed subjects with their eyes closed. Early studies indicated the thalamo‑cortical circuit as the origin of alpha rhythm. Recent works suggest an additional relationship between alpha rhythm and the Default Mode Network (DMN). We simultaneously recorded electroencephalography (EEG) and functional magnetic...
Temporal information processing (TIP) is a well known neural process that underlies many aspects of human cognition, e.g., speech comprehension and speech production. The specific disorders of these language functions result from left hemispheric brain damage. A lot of literature data, as well as earlier experiments performed in our Laboratory have indicated that specific temporal training improves...
The study concerns the effect of task difficulty on perception of temporal order (TO) for auditory stimuli presented in rapid succession. The measurement comprises auditory mismatch negativity (MMN), i.e., a negative potential with latency from 100 to 250 ms, induced by preattentive changes during auditory stimulation (Näätänen et al. 1978). Fifteen healthy volunteers, aged 21-29 years, participated...
Using fMRI we tested brain activations involved in temporal processing following Fast ForWord (FFW) training in 11 young volunteers. They performed the Temporal Order Judgment task in two sessions: before and after the training. The task was to report the order of two sounds presented in rapid succession. Each pair consisted of a short (10-ms) and a long (50-ms) sound separated by Inter-Stimulus-Intervals...
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