Tatiana Alexandrovna Stroganova

Learn More
The 'functional topography' approach has been applied to study alpha rhythms in infant twins during the second half-year of life. The experimental sample included 154 normal infants born at 32-41 weeks of gestational age. Their chronological age varied from 7.4 to 12.4 months. EEG was registered during wakefulness under two experimental conditions:(More)
BACKGROUND An elevated excitation/inhibition ratio has been suggested as one mechanism underpinning autism. An imbalance between cortical excitation and inhibition may manifest itself in electroencephalogram (EEG) abnormalities in the high frequency range. The aim of this study was to investigate whether beta and gamma range EEG abnormalities are(More)
OBJECTIVE To study behavioral correlates of theta oscillations in infants and preschool children. METHODS EEG was recorded during baseline (visual attention) and two test conditions--exploration of toys and attention to 'social' stimulation. Age specific frequency boundaries of theta and mu rhythms were assessed using narrow bin analysis of EEG spectra.(More)
The neurophysiological basis of attention control has been investigated in infants during the second half of the first year of life. The marked improvement of voluntary control of attention and action is known to occur during this age period. EEG was registered in 60 infants aged 8-11 months under three experimental conditions: (1) attention to an object in(More)
Unusual reactions to auditory stimuli are often observed in autism and may relate to ineffective inhibitory modulation of sensory input (sensory gating). A previous study of P50 sensory gating did not reveal abnormalities in high-functioning school age children [C. Kemner, B. Oranje, M.N. Verbaten, H. van Engeland, Normal P50 gating in children with autism,(More)
OBJECTIVE This study aimed to investigate electrophysiological correlates of initial attention orienting to temporally novel sound in children with autism (CWA). METHODS Twenty-one CWA (4-8 years) and 21 age-matched typically developing children (TDC) were presented with pairs of clicks separated by a 0.5s intra-pair interval, with longer (7-9s) intervals(More)
The extended phenotype of autism spectrum disorders (ASD) includes a combination of arousal regulation problems, sensory modulation difficulties, and attention re-orienting deficit. A slow and inefficient re-orienting to stimuli that appear outside of the attended sensory stream is thought to be especially detrimental for social functioning. Event-related(More)
OBJECTIVE Functional brain abnormalities associated with autism in 3-8-year-old boys were studied with EEG recorded under controlled experimental condition of sustained visual attention and behavioral stillness. METHODS EEG was recorded in two independent samples of boys with autism (BWA) from Moscow (N=21) and Gothenburg (N=23) and a corresponding number(More)
OBJECTIVES The study examined the suggestion that infant ability to maintain attention in anticipatory task and to sustain interference is related to the active inhibitory processes in cortical neural networks. METHODS The extent of selective EEG synchronization in the alpha range has been taken as a measure of cortical inhibition. EEG was registered in(More)
To address the hotly debated question of motor system involvement in language comprehension, we recorded neuromagnetic responses elicited in the human brain by unattended action-related spoken verbs and nouns and scrutinized their timecourse and neuroanatomical substrates. We found that already very early on, from ∼80 ms after disambiguation point when the(More)