Developmental Delay in Adults

developmental delay in adults

What is developmental delay in adults?

Developmental delay which first presents in infancy and childhood, and which then extends into adulthood, is often known as a developmental disability.

In some cases, developmental delay can be overcome, depending on its cause and severity, and it does not always extend into adulthood.

But developmental delay that does last into adulthood, is a permanent disability or symptom of a developmental disorder or rare disease.

Developmental delay in adults: developmental disability

Adults, as with children, may experience developmental disability in all areas of their development. This includes not meeting developmental milestones in all areas of their development – physical, social and emotional, cognitive, and speech and language development. 

Developmental delay in babies and children that continues into adulthood is usually severe and may impact the quality of life of an individual, or their ability to handle day-to-day tasks independently. This is dependent on the type and severity of the developmental disability. 

Causes

Developmental disorders

Some of the most well-known developmental disorders include autism spectrum disorder, attention deficit disorder/attention deficit hyperactivity disorder (ADD/ADHD), and fetal alcohol syndrome. 

Many of the symptoms of these disorders include developmental delay that extends into adulthood. This can include issues with social skills – issues with communication, an inability to form relationships with others, a need for rigid and repetitive routines and ways of doing things, and an intense interest in one theme topic, or activity. It may also include issues with speech and language development, and issues with focus and concentration. 

Trauma – mental or physical 

Developmental delay in childhood may be the result of childhood trauma. This may be due to neglect, abuse, or injury to the brain or nervous system. 

In some cases, developmental delay that is the result of neglect may be addressed, and early intervention may help support development to a normative level. However, sometimes this is not possible and may extend into an individual’s adult life. 

Rare disease

Some rare diseases or genetic syndromes present with developmental delay as a symptom, and in some cases depending on the disease and individual affected, this delay may extend into adulthood. 

Individuals with Pitt-Hopkins syndrome often experience developmental delays in several developmental areas as children. Generally, their speech and language delay extends into adulthood, with many affected not being able to develop the ability to speak. 

Adults with Angelman syndrome may display continued signs of developmental delay about their speech development, and may also display continued learning difficulties and disabilities beyond childhood. 

Some rare diseases are regressive disorders and present with developmental delay that develops later, in childhood or early adulthood, and which get worse with age. Individuals with Sanfilippo, for example, often lose the ability to walk and talk, even after having gained these skills as young children. 

Understanding adult developmental delay as a symptom of a rare disease or genetic syndrome is something that genetic counseling can help individuals and their families understand better. It can also help with the entire genetic diagnosis process, to get to the root cause of developmental delay that continues into adulthood.

To detect such delays, it is important to consider talking with a professional. Genetic counseling may provide the answers that you and your family are looking for in navigating certain rare syndromes including Smith-Magenis syndrome and others (SMS).

Understanding developmental delays in adults is crucial for effective support and intervention. FDNA’s free AI-powered Child Development Checker app can help identify potential genetic concerns. It provides valuable insights and connects you with experts for personalized guidance. Use the app today to ensure comprehensive care and support for developmental delays.

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