On Aspergers and Abstraction

As you might imagine, having a brother with Aspergers has given me some unique perspective into the human condition.  Though I'm no expert (at least not in the academic sense) of Asbergers, I have observed that my brother struggles most with Abstract thought, which disrupts his ability to pick up social cues, make decisions, and process information, among other things.

In fact, I dare say that impaired abstract thought is not just a symptom, but the core characterstic of his condition. ...