Table 8.
Top 9 clusters of keywords related to neuromodulation techniques on ASD
| Cluster ID | Silhouette | Label | Included Keywords (Top 5) | Mean (Year) | |
|---|---|---|---|---|---|
| 0 | 0.645 | Deep brain stimulation | Deep brain stimulation; Double blind; Major depressive disorder; Psychiatric disorder; Connectivity | 2016 | |
| 1 | 0.632 | Theory of mind | Asperger syndrome; Noninvasive brain stimulation; Social cognition; Prefrontal cortex; Direct current stimulation | 2015 | |
| 2 | 0.718 | Cortical inhibition | Excitability; High functioning autism; Human motor cortex; Dorsolateral prefrontal cortex; Brain stimulation | 2014 | |
| 3 | 0.817 | Vagus nerve stimulation | Autism spectrum disorder; Children; Vagus nerve stimulation; Modulation; Behavior | 2008 | |
| 4 | 0.686 | Transcranial direct current stimulation | Attention deficit/hyperactivity disorder; Adolescent; Transcranial direct current stimulation; Depression; Adult | 2016 | |
| 5 | 0.824 | Mirror neuron system | Transcranial magnetic stimulation; Autism; Motor cortex; Activation; Corticospinal excitability | 2012 | |
| 6 | 0.782 | Event-related potentials | Cortex; Attention; rTMS; Abnormality; Frequency | 2013 | |
| 7 | 0.791 | Premotor cortex | Cruent; Perception; Asymmetry; Epilepsy; DC stimulation | 2008 | |
| 8 | 0.769 | Brain connectivity | Spectrum disorder; Functional connectivity; EEG; Frontal cortex; Brain connectivity | 2009 | |