4. High on systemising
Both autistics and those with BPD are known to be high systemisers – that means a drive to analyse and build a system based upon patterns of information.
One largescale 2017 study found that people with autism and BPD had equally high systemising traits, but those with autism or those with comorbid autism and BPD were lower on empathy traits. It’s worth pointing out here that many in the autism community now believe autistic people are only lower on cognitive empathy traits, with some actually experiencing higher than normal emotional empathy.
Another study found that people with BPD were more neurotic, more emotionally dysregulated, had higher extraversion, were more open for new experiences, and were less conscientious than those with autism. Those with autism were found to be more inhibited, and more compulsive than those with BPD.