Inclusion Criteria:  Voluntary and able to provide informed consent Endorse current moderate to severe PIU on IAT-10 Currently attending an Australian university (full-time or part-time, international or domestic student) Ability to adhere to study procedures If taking psychoactive medication, have been stable on same type and dose for at least 4 weeks prior to study commencement  Exclusion Criteria:  History of neurological illness or moderate to severe brain injury Severely impaired visual/auditory ability Diagnosed history of learning difficulty or other condition involving cognitive impairment as a primary feature. Lack of both verbal and written fluency in English Have engaged in > 10 instances of formal mindfulness meditation practice in past 12 months