scholarly journals EVENT-RELATED POTENTIALS IN CHILDREN WITH CEREBRAL PALSY

2019 ◽  
Vol 19 (1-2) ◽  
pp. 95-100
Author(s):  
V. V Dul’nev ◽  
L. A Avrasina
Keyword(s):  
Cerebral Palsy ◽  
Comparative Analysis ◽  
Sensory Information ◽  
Event Related Potentials ◽  
Objective Evaluation ◽  
Main Group ◽  
Healthy Children ◽  
Age Related ◽  
Children With Cerebral Palsy ◽  
Related Potentials

Introducion. Children with cerebral palsy demonstrate high prevalence of the cognitive impairment (CI). One of the key components of CI pathogenesis is sensory disafferentation. Aim. The goal of this investigation is to perform comparative analysis of event-related potentials (ERP) in children with CP and in healthy children. Materials and methods. A total of 30 children with CP (mean age 8.9 ± 0.84 year) and 44 healthy subjects (mean age 9.5 ± 0.60 years) were observed. Registration and comparative analysis of the acoustic ERP were performed with the use of non-parametric tests. Results. The decrease in age-related ERP latencies was slower in the main group. Significant elongation of ERP latencies was also observed in the main group, despite the clinical absence of cognitive decline. Conclusions. Our findings confirm the theory of sensory information cortical processing delay in children with CP. More investigations should be performed for the assessment of reliability of the ERP in the objective evaluation of CI level.

scholarly journals Neglect-like characteristics of developmental disregard in children with cerebral palsy revealed by event related potentials

BMC Neurology ◽  
2014 ◽  
Vol 14 (1) ◽  
Author(s):  
Ingar M Zielinski ◽  
Bert Steenbergen ◽  
C Marjolein Baas ◽  
Pauline BM Aarts ◽  
Marijtje LA Jongsma
Keyword(s):  
Cerebral Palsy ◽  
Event Related Potentials ◽  
Children With Cerebral Palsy ◽  
Related Potentials

Asymmetry in Event-Related Potentials to Simulated Auditory Motion in Children, Young Adults, and Seniors

2002 ◽  
Vol 13 (01) ◽  
pp. 001-013 ◽  
Author(s):  
James Jerger ◽  
Rebecca Estes
Keyword(s):  
Young Adults ◽  
Right Hemisphere ◽  
Apparent Movement ◽  
Event Related Potentials ◽  
Auditory Evoked Responses ◽  
Age Related ◽  
Related Potentials ◽  
Velocity Information ◽  
The Right ◽  
Age Range

We studied auditory evoked responses to the apparent movement of a burst of noise in the horizontal plane. Event-related potentials (ERPs) were measured in three groups of participants: children in the age range from 9 to 12 years, young adults in the age range from 18 to 34 years, and seniors in the age range from 65 to 80 years. The topographic distribution of grand-averaged ERP activity was substantially greater over the right hemisphere in children and seniors but slightly greater over the left hemisphere in young adults. This finding may be related to age-related differences in the extent to which judgments of sound movement are based on displacement versus velocity information.

Age-related differences in processing irrelevant information: Evidence from event-related potentials

2009 ◽  
Vol 47 (2) ◽  
pp. 577-586 ◽  
Author(s):  
Antonino Vallesi ◽  
Donald T. Stuss ◽  
Anthony R. McIntosh ◽  
Terence W. Picton
Keyword(s):  
Event Related Potentials ◽  
Irrelevant Information ◽  
Age Related ◽  
Related Potentials

scholarly journals Expect the unexpected: Processing of sensory information in the anticipation of predictable and unpredictable threats

2019 ◽  
Vol 11 (1) ◽  
pp. 80-115
Author(s):  
Eva Koderman
Keyword(s):  
Sensory Information ◽  
Event Related Potentials ◽  
Perceived Threat ◽  
Subject Design ◽  
Unpleasant Picture ◽  
Before And After ◽  
Attentional Engagement ◽  
Related Potentials ◽  
The Impact ◽  
Threat Of Shock

Abstract Anxiety is characterized by a sustained state of heightened vigilance due to uncertain danger, producing increased attention to a perceived threat in one's environment. To further examine this exploited the temporal resolution afforded by event-related potentials to investigate the impact of predictability of threat on early perceptual activity. We recruited 28 participants and utilized a within-subject design to examine hypervigilance in anticipation of shock, unpleasant picture and unpleasant sound during a task with unpredictable, predictable and no threat. We investigated if habituation to stimuli was present by asking the participants to rate unpleasantness and intensity of the stimuli before and after the experiment. We observed hypervigilance in the unpredictable threat of shock. Habituation was observed for the visual stimuli. The present study suggests that unpredictability enhances attentional engagement with neutral somatosensory stimuli when the threat is of the same modality, meaning we observed the presence of hypervigilance which is a characteristic of anxiety.

scholarly journals Sensory-Motor Modulations of EEG Event-Related Potentials Reflect Walking-Related Macro-Affordances

2021 ◽  
Vol 11 (11) ◽  
pp. 1506
Author(s):  
Annalisa Tosoni ◽  
Emanuele Cosimo Altomare ◽  
Marcella Brunetti ◽  
Pierpaolo Croce ◽  
Filippo Zappasodi ◽  
...  
Keyword(s):  
Large Scale ◽  
Functional Organization ◽  
Sensory Information ◽  
Event Related Potentials ◽  
Stimulus Presentation ◽  
Fundamental Principle ◽  
Facilitation Effect ◽  
Extrapersonal Space ◽  
Sensory Motor ◽  
Related Potentials

One fundamental principle of the brain functional organization is the elaboration of sensory information for the specification of action plans that are most appropriate for interaction with the environment. Using an incidental go/no-go priming paradigm, we have previously shown a facilitation effect for the execution of a walking-related action in response to far vs. near objects/locations in the extrapersonal space, and this effect has been called “macro-affordance” to reflect the role of locomotion in the coverage of extrapersonal distance. Here, we investigated the neurophysiological underpinnings of such an effect by recording scalp electroencephalography (EEG) from 30 human participants during the same paradigm. The results of a whole-brain analysis indicated a significant modulation of the event-related potentials (ERPs) both during prime and target stimulus presentation. Specifically, consistent with a mechanism of action anticipation and automatic activation of affordances, a stronger ERP was observed in response to prime images framing the environment from a far vs. near distance, and this modulation was localized in dorso-medial motor regions. In addition, an inversion of polarity for far vs. near conditions was observed during the subsequent target period in dorso-medial parietal regions associated with spatially directed foot-related actions. These findings were interpreted within the framework of embodied models of brain functioning as arising from a mechanism of motor-anticipation and subsequent prediction error which was guided by the preferential affordance relationship between the distant large-scale environment and locomotion. More in general, our findings reveal a sensory-motor mechanism for the processing of walking-related environmental affordances.

Age-related Changes in Postural Sway During Sit-to-stand in Typical Children and Children with Cerebral Palsy

2018 ◽  
Vol 51 (2) ◽  
pp. 185-192 ◽  
Author(s):  
Silvia Leticia Pavão ◽  
Ana Carolina de Campos ◽  
Nelci Adriana Cicuto Ferreira Rocha
Keyword(s):  
Cerebral Palsy ◽  
Postural Sway ◽  
Sit To Stand ◽  
Age Related ◽  
Children With Cerebral Palsy ◽  
Age Related Changes

Low-dimensional versus high-dimensional chaos in brain function – is it an and/or issue?

2001 ◽  
Vol 24 (5) ◽  
pp. 823-824 ◽  
Author(s):  
Márk Molnár
Keyword(s):  
Brain Function ◽  
Sensory Information ◽  
Event Related Potentials ◽  
Cognitive Effort ◽  
Neural Systems ◽  
Sensory Information Processing ◽  
Related Potentials ◽  
Dimensional Complexity ◽  
Low Dimensional ◽  
The Brain

We discuss whether low-dimensional chaos and even nonlinear processes can be traced in the electrical activity of the brain. Experimental data show that the dimensional complexity of the EEG decreases during event-related potentials associated with cognitive effort. This probably represents increased nonlinear cooperation between different neural systems during sensory information processing.

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