As the disease continues to progress through adolescent years, other symptoms may become apparent:
- Vision deterioration
- Progressive The loss of cognitive functioning which includes thinking, remembering, and reasoning which result in behavioral issues that interfere with an individual’s daily life.
- Decline in language ability
- Difficulty eating
- Loss of motor function
Challenges with cognitive and motor skills may be perceived as behavioral issues such as A condition of being overly active., anxiety, and obsessive activities. The child’s description of vision loss associated with CLN5 may be interpreted as hallucinations by parents or caregivers.