Effects of Toxoplasma on Human Behavior | Zendy

Jaroslav Flegr | Zendy

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Effects of Toxoplasma on Human Behavior

Author(s) -

Jaroslav Flegr

Publication year - 2007

Publication title -

schizophrenia bulletin

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.823

H-Index - 190

eISSN - 1745-1707

pISSN - 0586-7614

DOI - 10.1093/schbul/sbl074

Subject(s) - toxoplasma gondii , psychomotor learning , asymptomatic , affect (linguistics) , personality , toxoplasmosis , psychology , developmental psychology , medicine , immunology , cognition , psychiatry , antibody , social psychology , communication

Although latent infection with Toxoplasma gondii is among the most prevalent of human infections, it has been generally assumed that, except for congenital transmission, it is asymptomatic. The demonstration that latent Toxoplasma infections can alter behavior in rodents has led to a reconsideration of this assumption. When infected human adults were compared with uninfected adults on personality questionnaires or on a panel of behavioral tests, several differences were found. Other studies have demonstrated reduced psychomotor performance in affected individuals. Possible mechanisms by which T. gondii may affect human behavior include its effect on dopamine and on testosterone.

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