Search Results - "Orekhova, Elena V."

Arousal and attention re-orienting in autism spectrum disorders: evidence from auditory event-related potentials by Orekhova, Elena V, Stroganova, Tatiana A

“…The extended phenotype of autism spectrum disorders (ASD) includes a combination of arousal regulation problems, sensory modulation difficulties, and attention…”
Get full text

Altered visual cortex excitability in premenstrual dysphoric disorder: Evidence from magnetoencephalographic gamma oscillations and perceptual suppression by Manyukhina, Viktoriya O, Orekhova, Elena V, Prokofyev, Andrey O, Obukhova, Tatiana S, Stroganova, Tatiana A

“…Premenstrual dysphoric disorder (PMDD) is a psychiatric condition characterized by extreme mood shifts during the luteal phase of the menstrual cycle (MC) due…”
Get full text

Different hemispheric lateralization for periodicity and formant structure of vowels in the auditory cortex and its changes between childhood and adulthood by Orekhova, Elena V., Fadeev, Kirill A., Goiaeva, Dzerassa E., Obukhova, Tatiana S., Ovsiannikova, Tatiana M., Prokofyev, Andrey O., Stroganova, Tatiana A.

“…The spectral formant structure and periodicity pitch are the major features that determine the identity of vowels and the characteristics of the speaker…”
Get full text

Spatial suppression in visual motion perception is driven by inhibition: Evidence from MEG gamma oscillations by Orekhova, Elena V., Rostovtseva, Ekaterina N., Manyukhina, Viktoriya O., Prokofiev, Andrey O., Obukhova, Tatiana S., Nikolaeva, Anastasia Yu, Schneiderman, Justin F., Stroganova, Tatiana A.

“…Spatial suppression (SS) is a visual perceptual phenomenon that is manifest in a reduction of directional sensitivity for drifting high-contrast gratings whose…”
Get full text

Gamma oscillations point to the role of primary visual cortex in atypical motion processing in autism by Orekhova, Elena V, Manyukhina, Viktoriya O, Galuta, Ilia A, Prokofyev, Andrey O, Goiaeva, Dzerassa E, Obukhova, Tatiana S, Fadeev, Kirill A, Schneiderman, Justin F, Stroganova, Tatiana A

“…Neurophysiological studies suggest that abnormal neural inhibition may explain a range of sensory processing differences in autism spectrum disorders (ASD). In…”
Get full text

Additive effect of contrast and velocity suggests the role of strong excitatory drive in suppression of visual gamma response by Orekhova, Elena V, Prokofyev, Andrey O, Nikolaeva, Anastasia Yu, Schneiderman, Justin F, Stroganova, Tatiana A

“…It is commonly acknowledged that gamma-band oscillations arise from interplay between neural excitation and inhibition; however, the neural mechanisms…”
Get full text

Globally elevated excitation-inhibition ratio in children with autism spectrum disorder and below-average intelligence by Manyukhina, Viktoriya O, Prokofyev, Andrey O, Galuta, Ilia A, Goiaeva, Dzerassa E, Obukhova, Tatiana S, Schneiderman, Justin F, Altukhov, Dmitrii I, Stroganova, Tatiana A, Orekhova, Elena V

“…Altered neuronal excitation-inhibition (E-I) balance is strongly implicated in ASD. However, it is not known whether the direction and degree of changes in the…”
Get full text

Visual gamma oscillations predict sensory sensitivity in females as they do in males by Manyukhina, Viktoriya O., Rostovtseva, Ekaterina N., Prokofyev, Andrey O., Obukhova, Tatiana S., Schneiderman, Justin F., Stroganova, Tatiana A., Orekhova, Elena V.

“…Gamma oscillations are driven by local cortical excitatory (E)–inhibitory (I) loops and may help to characterize neural processing involving…”
Get full text

Abnormal pre-attentive arousal in young children with autism spectrum disorder contributes to their atypical auditory behavior: an ERP study by Stroganova, Tatiana A, Kozunov, Vladimir V, Posikera, Irina N, Galuta, Ilia A, Gratchev, Vitaliy V, Orekhova, Elena V

“…Auditory sensory modulation difficulties and problems with automatic re-orienting to sound are well documented in autism spectrum disorders (ASD). Abnormal…”
Get full text

Auditory cortex responses to clicks and sensory modulation difficulties in children with autism spectrum disorders (ASD) by Orekhova, Elena V, Tsetlin, Marina M, Butorina, Anna V, Novikova, Svetlana I, Gratchev, Vitaliy V, Sokolov, Pavel A, Elam, Mikael, Stroganova, Tatiana A

“…Auditory sensory modulation difficulties are common in autism spectrum disorders (ASD) and may stem from a faulty arousal system that compromises the ability…”
Get full text

Reduced Oblique Effect in Children with Autism Spectrum Disorders (ASD) by Sysoeva, Olga V, Davletshina, Maria A, Orekhova, Elena V, Galuta, Ilia A, Stroganova, Tatiana A

“…People are very precise in the discrimination of a line orientation relative to the cardinal (vertical and horizontal) axes, while their orientation…”
Get full text

Auditory Magnetic Response to Clicks in Children and Adults: Its Components, Hemispheric Lateralization and Repetition Suppression Effect by Orekhova, Elena V., Butorina, Anna V., Tsetlin, Marina M., Novikova, Svetlana I., Sokolov, Pavel A., Elam, Mikael, Stroganova, Tatiana A.

“…The auditory magnetic event-related fields (ERF) qualitatively change through the child development, reflecting maturation of auditory cortical areas. Clicks…”
Get full text

Excess of High Frequency Electroencephalogram Oscillations in Boys with Autism by Orekhova, Elena V, Stroganova, Tatiana A, Nygren, Gudrun, Tsetlin, Marina M, Posikera, Irina N, Gillberg, Christopher, Elam, Mikael

“…Background An elevated excitation/inhibition ratio has been suggested as one mechanism underpinning autism. An imbalance between cortical excitation and…”
Get full text

Alpha activity as an index of cortical inhibition during sustained internally controlled attention in infants by Orekhova, Elena V, Stroganova, Tatiana A, Posikera, Irina N

“…Objectives: The study examined the suggestion that infant ability to maintain attention in anticipatory task and to sustain interference is related to the…”
Get full text

EEG hyper-connectivity in high-risk infants is associated with later autism by Orekhova, Elena V, Elsabbagh, Mayada, Jones, Emily Jh, Dawson, Geraldine, Charman, Tony, Johnson, Mark H

“…It has been previously reported that structural and functional brain connectivity in individuals with autism spectrum disorders (ASD) is atypical and may vary…”
Get full text

Neural gain control measured through cortical gamma oscillations is associated with sensory sensitivity by Orekhova, Elena V., Stroganova, Tatiana A., Schneiderman, Justin F., Lundström, Sebastian, Riaz, Bushra, Sarovic, Darko, Sysoeva, Olga V., Brant, Georg, Gillberg, Christopher, Hadjikhani, Nouchine

“…Gamma oscillations facilitate information processing by shaping the excitatory input/output of neuronal populations. Recent studies in humans and nonhuman…”
Get full text

Frequency of gamma oscillations in humans is modulated by velocity of visual motion by Orekhova, Elena V, Butorina, Anna V, Sysoeva, Olga V, Prokofyev, Andrey O, Nikolaeva, Anastasia Yu, Stroganova, Tatiana A

“…Gamma oscillations are generated in networks of inhibitory fast-spiking (FS) parvalbumin-positive (PV) interneurons and pyramidal cells. In animals, gamma…”
Get full text

Functional EEG connectivity in infants associates with later restricted and repetitive behaviours in autism; a replication study by Haartsen, Rianne, Jones, Emily J. H., Orekhova, Elena V., Charman, Tony, Johnson, Mark H.

“…We conducted a replication study of our prior report that increased alpha EEG connectivity at 14-months associates with later autism spectrum disorder (ASD)…”
Get full text

Sensory gating in young children with autism: Relation to age, IQ, and EEG gamma oscillations by Orekhova, Elena V., Stroganova, Tatiana A., Prokofyev, Andrey O., Nygren, Gudrun, Gillberg, Cristopher, Elam, Mikael

“…Unusual reactions to auditory stimuli are often observed in autism and may relate to ineffective inhibitory modulation of sensory input (sensory gating). A…”
Get full text

Input-dependent modulation of MEG gamma oscillations reflects gain control in the visual cortex by Orekhova, Elena V., Sysoeva, Olga V., Schneiderman, Justin F., Lundström, Sebastian, Galuta, Ilia A., Goiaeva, Dzerasa E., Prokofyev, Andrey O., Riaz, Bushra, Keeler, Courtney, Hadjikhani, Nouchine, Gillberg, Christopher, Stroganova, Tatiana A.

“…Gamma-band oscillations arise from the interplay between neural excitation (E) and inhibition (I) and may provide a non-invasive window into the state of…”
Get full text