Participant recruitment
Adult ADHD, impulsivity, ADHD
RECRUITMENT
Participants with and without ADHD were recruited from the community through posters across university campuses, social media adverts, institutional recruitment emails, and advertisements on appropriate support groups’ websites and newsletters (e.g., UK Adult ADHD Network). All advertisements contained a link to the study’s information sheet and consent form where interested individuals could provide consent and complete an online screening survey. Recruited participants completed the study in a live online experiment with a researcher. The remote but synchronous approach was required as the start of the study coincided with the COVID-19 pandemic when attendance at the laboratory was not permitted. The entire experiment took around two hours to complete. Participants received a £20 shopping voucher.No prior research was available measuring attention or impulsivity using a TRP loading paradigm. However, two studies had examined attention in those with ADHD using a TRP depletion paradigm [