Final answer:
Autism spectrum disorder (ASD) is associated with dysarthria and delayed speech, with variations in symptoms due to ASD being a spectrum disorder. ASD and other neurodevelopmental disorders can impact intellectual development, communication, and learning abilities.
Step-by-step explanation:
Autism spectrum disorder (ASD) is a neurodevelopmental disorder characterized by impaired social interaction and communication abilities, which can come with dysarthria and delayed speech and language development secondary to intellectual development. One of the symptoms of ASD includes a difficulty with social skills, such as making and maintaining eye contact and reading social cues. Furthermore, ASD can be associated with other conditions, such as epilepsy, and some forms of the disorder may also present with intellectual disability. It's important to note that because ASD is a spectrum disorder, the severity of symptoms can vary greatly from one individual to another. Some individuals with ASD can have good-to-excellent language skills and do not view themselves as suffering from a disorder but rather as having brains that process information differently.
Additionally, neurodevelopmental disorders can arise from disturbances in the nervous system's development, leading to intellectual deficits as in Down Syndrome, or affecting communication and learning abilities. Other neurodevelopmental disorders, like dyslexia, also impact language skills, manifesting in challenges with reading, writing, and sometimes speaking.