What is brain fog?
Laura McwhirterHeather SmythIngrid HoeritzauerAnna CouturierJon StoneAlan J CarsonPublished in: Journal of neurology, neurosurgery, and psychiatry (2022)
'Brain fog' is used on Reddit to describe heterogeneous experiences, including of dissociation, fatigue, forgetfulness and excessive cognitive effort, and in association with a range of illnesses, drugs and behaviours. Encouraging detailed description of these experiences will help us better understand pathophysiological mechanisms underlying cognitive symptoms in health and disease.