Psychopathy looks like a form of dementia, we still think.
Metals and brain neurofibrils: fertilizer connection? Plus a personal trauma.
Neuromelanin, brain iron homeostasis, and Uncle Fester.
Excess retinoids in utero and nastiness. Also a very weird coincidence involving Antarctica.
If you look at psychopathy as frontotemporal dementia without the motor or memory impairment, then you look to the dementia-causing agents, like TDP-43.
Persecutory delusions and anger.
Here are Neurological Correlates’ earlier posts under the category “Epigenetics”, and some new information relating to epigenetic changes correlating with late on-set Alzheimer’s Disease.