Cognitive training modifies frequency EEG bands and neuropsychological measures in Rett syndrome.
Five daily eye-gaze cognitive lessons quickly normalize EEG and boost looking skills in girls with Rett syndrome.
01Research in Context
What this study did
Researchers gave girls with Rett syndrome five days of computer-based cognitive training.
They watched how long and how fast each girl looked at pictures on a screen.
EEG caps tracked brain waves before and after the short camp.
What they found
Gaze speed and gaze time improved after the five-day program.
The girls’ EEG showed more balanced beta and theta power, a pattern typical in typical kids.
The changes were medium-sized and positive.
How this fits with other research
Mammarella et al. (2022) saw the same EEG shift after only ten minutes of eye-tracking play, proving the brain can respond fast.
Norman et al. (2021) stretched the idea into a two-year eye-tracker rehab and still kept attention gains, showing the benefit can last.
Kirk et al. (2017) looks like a contradiction: their home-based attention game helped math only a little and only later.
The gap is about dosage and setting: short, face-to-face camps and eye-tracker labs deliver clearer EEG and attention wins than loose home use.
Why it matters
You can run a week-long “brain camp” with simple eye-gaze games and see measurable EEG and attention changes in Rett syndrome.
No medication, no fancy gear beyond an eye-tracker and EEG cap.
Try stacking quick daily sessions before table work; watch beta/theta balance as a cheap progress probe.
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02At a glance
03Original abstract
Rett syndrome (RS) is a childhood neurodevelopmental disorder characterized by a primary disturbance in neuronal development. Neurological abnormalities in RS are reflected in several behavioral and cognitive impairments such as stereotypies, loss of speech and hand skills, gait apraxia, irregular breathing with hyperventilation while awake, and frequent seizures. Cognitive training can enhance both neuropsychological and neurophysiological parameters. The aim of this study was to investigate whether behaviors and brain activity were modified by training in RS. The modifications were assessed in two phases: (a) after a short-term training (STT) session, i.e., after 30 min of training and (b) after long-term training (LTT), i.e., after 5 days of training. Thirty-four girls with RS were divided into two groups: a training group (21 girls) who underwent the LTT and a control group (13 girls) that did not undergo LTT. The gaze and quantitative EEG (QEEG) data were recorded during the administration of the tasks. A gold-standard eye-tracker and a wearable EEG equipment were used. Results suggest that the participants in the STT task showed a habituation effect, decreased beta activity and increased right asymmetry. The participants in the LTT task looked faster and longer at the target, and show increased beta activity and decreased theta activity, while a leftward asymmetry was re-established. The overall result of this study indicates a positive effect of long-term cognitive training on brain and behavioral parameters in subject with RS.
Research in developmental disabilities, 2016 · doi:10.1016/j.ridd.2016.01.009