Decreased level of psychobiological factor novelty seeking and lower intelligence in men latently infected with the protozoan parasite Toxoplasma gondii Dopamine, a …
J Flegr, M Preiss, J Klose, J Havlı́ček, M Vitáková… - Biological …, 2003 - Elsevier
Toxoplasma gondii, a parasitic protozoan, infects about 30–60% of people worldwide. The
latent toxoplasmosis, ie life-long presence of cysts in the brain and muscular tissues, has no
effect on human health. However, infected subjects score worse in psychomotor
performance tests and have different personality profiles than Toxoplasma-negative
subjects. The mechanism of this effect is unknown; however, it is supposed that presence of
parasites' cysts in the brain induces an increase of the concentration of dopamine. Here we …
latent toxoplasmosis, ie life-long presence of cysts in the brain and muscular tissues, has no
effect on human health. However, infected subjects score worse in psychomotor
performance tests and have different personality profiles than Toxoplasma-negative
subjects. The mechanism of this effect is unknown; however, it is supposed that presence of
parasites' cysts in the brain induces an increase of the concentration of dopamine. Here we …