A Neuro-Technological Intervention for Adolescents With GAD

Inclusion Criteria: * Between 13 to 18 years of age inclusive * Literate in English Language * Newly diagnosed with Generalised Anxiety Disorder: current episode, based on Computerised Diagnostic Interview Schedule for Children (C-DISC) * If on medication, dosage stable or unchanged for at least preceding 8 weeks * Has parental consent Exclusion Criteria: * Diagnosis (as defined by DSM-5) of: anxiety disorder induced by medication, substance, or another medical condition; obsessive compulsive disorder; bipolar disorder; any psychotic disorder (lifetime); intellectual disability (i.e. IQ\<70); autism spectrum disorder; attention-deficit/hyperactivity disorder * History of substance or drug use disorder (as per DSM-5 criteria) within the last 3 months * Neurological disorders or insults (e.g. epilepsy, cerebrovascular accidents) * Metal in the cranium, skull defects, or skin lesions on scalp (e.g. cuts, abrasion, rash) at proposed electrode sites * Irregular heart rhythms or heart problems * Severe visual or hearing impairment * Prior experience with mindfulness-based therapy (e.g. mindfulness-based stress reduction \[MBSR\], mindfulness-based cognitive therapy \[MBCT\])