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Spontaneous dense array gamma activity in children and adolescents with volatile solvent dependence
Sai Krishna Tikka1, Nizamuddin Parvez2, Arvind Nongpiur3
1KS Mani Center for Cognitive Neurosciences, Central Institute of Psychiatry, Kanke, Ranchi, Jharkhand, India ; Department of Psychiatry, Central Institute of Psychiatry, Kanke, Ranchi, Jharkhand, India.
Journal of Pediatric Neurosciences
|January 28, 2015
Summary
Inhalant dependence in youth is linked to neurocognitive deficits. Gamma activity, a cognitive marker, showed a correlation with dependence duration in the left frontal region, but no group differences were found.
Area of Science:
- Neuroscience
- Child and Adolescent Psychiatry
- Neuroimaging
Background:
- Inhalant dependence in children and adolescents is associated with neurocognitive deficits.
- Resting-state gamma activity is a key electroencephalographic (EEG) marker of cognitive function.
Purpose of the Study:
- To investigate resting-state gamma activity in pediatric inhalant dependence.
- To explore the relationship between inhaled amounts and gamma activity.
Main Methods:
- Collected clinical and EEG data from nine inhalant-dependent patients.
- Analyzed 30-50 Hz spectral power using Welch's method.
- Used descriptive statistics, correlation, and Mann-Whitney U-test for analysis.
Main Results:
- A significant positive correlation was observed between the duration of inhalant dependence and gamma spectral power in the left frontal region.
- No significant differences in gamma spectral power were found between groups with varying inhaled amounts.
Conclusions:
- Inhalant use involves complex neurobiological interactions affecting synaptic modulation.
- Studying EEG parameters, particularly gamma activity, is crucial for understanding these neurobiological changes.
