Neuropsychological tests
RTI, COLD
At baseline, participants completed the CANTAB Reaction Time task (RTI) and RAIS to assess IQ. At the cognitive visit after at least 21 days, participants completed an extensive neuropsychological test battery assessing ‘cold’ and ‘hot’ cognition including reinforcement learning. The outcome measures from the tests were categorised into specific cognitive domains a priori (pre-registration; NCT04239339). The cognitive domains included learning, inhibition, executive function, reinforcement behaviour, social cognition, emotion recognition, memory, attention, and decision-making. The neuropsychological tests included the Probabilistic Reversal Learning Task, the Interleaved Stop-Signal Go/No-Go Task, the Three-Dimensional Intra-Extra Dimensional Set Shifting Task, Cambridge Neuropsychological Test Automated Battery (CANTAB) Paired Associates Learning, CANTAB Spatial Working Memory, CANTAB Rapid Visual Information Processing, EMOTICOM Moral Judgement Task, EMOTICOM Intensity Morphing Task, EMOTICOM Emotion Recognition (Eyes) Task, EMOTICOM Ultimatum Game, EMOTICOM Cambridge Gambling Task, and the Sequential Model-Based Model-Free Task (MBMF). More detailed descriptions of the tasks are provided in 