The Joe Rogan Experience #965 - Robert Sapolsky
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May 25, 2017 
Neuroendocrinologist Robert Sapolsky discusses Toxoplasmosis parasitic manipulation of host behavior, evolutionary influences on oxytocin and decision-making, baboon social dynamics, biology's impact on behavior, evolution of perception on human behavior, and biological factors in legal systems.
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Toxoplasmosis in Rodents
- Toxoplasmosis, a protozoan parasite, can only reproduce sexually in cats.
- It manipulates rodents' brains, eliminating their fear of cat smells.
Attraction to Cat Urine
- Some rats infected with toxoplasmosis develop an attraction to cat urine.
- This is due to the parasite crossing circuitry in the brain's hypothalamus.
Parasite Manipulation
- Parasites like rabies and toxoplasmosis manipulate host behavior for their benefit.
- Toxoplasmosis may affect the dopamine system, influencing the reward system.