Final answer:
Capgras Syndrome is a brain anomaly where individuals misidentify familiar people as imposters. This disconnect between the face recognition system and emotional response system can lead to abnormal behavior like distrust and emotional detachment.
Step-by-step explanation:
One abnormality that can influence abnormal behavior is Capgras Syndrome. It is characterized by the misidentification of familiar people, where individuals believe that their loved ones have been replaced by imposters. The brain anomaly in Capgras Syndrome is a disconnect between the brain's face recognition system and the emotional response system. This disconnect can lead to abnormal behavior such as distrust, paranoia, and emotional detachment towards loved ones.