Previous research has shown that toxic mould can affect the brain, but the results of indoor mould exposure on cognitive functioning is less known.
Professor Shane Rogers, who is the research said: "Experiences reported in many hauntings are similar to mental or neurological symptoms reported by individuals exposed to toxic moulds.
"Psychoactive effects of some fungi are well-known, whereas the effects of others such as indoor moulds are less researched.
"Reports of psychiatric symptoms including mood swings, hyperactivity, and irrational anger, as well as cognitive impairment are prevalent among those exposed to moulds.
"More recent work is emerging that supports brain inflammation and memory loss in mice exposed to Stachybotrys charatarum, a common indoor air mould, as well as increased anxiety and fear."
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