Sabine Heim|Andreas Keil|Naseem Choudhury|Jennifer T. Friedman|April A. Benasich
Early gamma oscillations during rapid auditory processing in children with a language-learning impairment: Changes in neural mass activity after training
Rutgers, The State University of New Jersey|University of Florida|Rutgers, The State University of New Jersey|Ramapo College|College of New Jersey|Rutgers, The State University of New Jersey|Rutgers, The State University of New Jersey
children languagelearning impairment lli consistently shown difficulty tasks requiring precise rapid auditory processing remediation based neural plasticity assumes temporal precision neural coding improved intensive training protocols examined extent early oscillatory responses auditory cortex change audiovisual training using combined source modeling timefrequency analysis human electroencephalogram eeg twentyone elementary school students diagnosed lli underwent intervention average 32 days pre posttraining assessments included standardized languageliteracy tests eeg recordings response fastrate tone doublets twelve children typical language development also tested twice intervention given behaviorally improvements measures language observed lli group following completion training first eeg assessment found reduced amplitude phaselocking early 4575 ms oscillations gammaband range 2952 hz specifically lli group second stimulus tone doublet amplitude reduction second tone longer evident lli children postintervention although children still exhibited attenuated phaselocking findings suggest specific aspects inefficient sensory cortical processing lli ameliorated training