Dr. Beswick was writing questions for a test, but found herself listening to reggae music coming from an adjoining office, and thinking about her upcoming trip to the Caribbean. She is experiencing
attentional deficit

Dr. Beswick was writing questions for a test, but found herself listening to reggae music coming from an adjoining office, and thinking about her upcoming trip to the Caribbean. She is experiencing  attentional deficit.

Explanation:

Attention deficit disorder (ADD) is a kind of neurological disorder that causes difficulty in concentration, lacking attention and facing many problems in completing tasks and social interaction.

Brain injury, genes and exposure to environment toxins are some of the causes of the attention deficit disorder.

In the above scenario, Dr. Beswick was attending a test. She was distracted by the reggae music that was coming from the adjoining office. After listening to the music she started thinking about her upcoming trip to Caribbean. Dr. Beswick was affected by attentional deficit disorder.