How are thinking and other aspects of cognition affected?
Individuals with a moderate-to-severe brain injury most typically experience problems in basic cognitive skills: sustaining attention, concentrating on tasks at hand, and remembering newly learned material. They may think slowly, speak slowly, and solve problems slowly. They may become confused easily when normal routines are changed or when the stimulation level from the environment exceeds their threshold. They may persevere at tasks too long, being unable to switch to a different tactic or a new task when encountering difficulties. Or, on the other hand, they may jump at the first “solution” they see, substituting impulsive responses for considered actions. They may be unable to go beyond a concrete appreciation of situations, to find abstract principles that are necessary to carry learning into new situations. Their speech and language may be impaired: word-finding problems, understanding the language of others, and the like. A major class of cognitive abilities that may be affecte
