The vermis plays a vital role in integrating sensory information from various parts of the body, allowing for precise movements and maintaining balance. When the vermis is underdeveloped or absent, it can lead to a range of symptoms, including:
1. **Motor Dysfunction**: Difficulty with fine motor skills, such as writing or buttoning a shirt, as well as gross motor skills, like walking or maintaining balance.
2. **Coordination Problems**: Challenges with tasks that require coordination between different body parts, such as catching a ball or tying shoelaces.
3. **Speech and Language Difficulties**: In some cases, individuals may experience difficulties with speech and language due to the involvement of the vermis in language processing.
4. **Cognitive Impairments**: Some studies suggest that individuals with kilpnäärmehäirete may also experience cognitive impairments, although more research is needed to fully understand this connection.
The most common form of kilpnäärmehäirete is Dandy-Walker syndrome, which is typically diagnosed in infancy or early childhood. Other forms include:
1. **Agenesis of the Corpus Callosum**: A rare condition where the corpus callosum, the band of nerve fibers connecting the two hemispheres of the brain, is absent or underdeveloped.
2. **Holoprosencephaly**: A condition where the forebrain fails to divide properly during early development, leading to a range of symptoms similar to those seen in kilpnäärmehäirete.