Complex sentence: A study of high-functioning adults with autism spectrum disorders found an increased prevalence of alexithymia, a personality construct characterized by the inability to recognize and articulate emotional arousal in oneself or others.
Split into simpler sentences: A study of high-functioning adults with autism spectrum disorders found an increased prevalence of alexithymia. Alexithymia is a personality construct which is characterized by the inability to recognize and articulate emotional arousal in oneself or others.