A variety of other conditions are very often diagnosed with ADHD. Including
- Depression
- Sensory Processing Disorder
- Anxiety
- Obsessive-Compulsive Disorder
- Oppositional Defiant Disorder
- Learning Disabilities
- Bipolar Disorder
- Autism Spectrum Disorder
- Tourette Sydrome
Because these can be related and are often found together it's a good idea to understand them all as well as be able to differentiate.
Generally kids with SPD will display innapropriate responses to stimuli. This may be light, sound, or maybe the feel of cloth on their skin. This response can cause attention difficulties.
However when the stimuli is removed the attention difficulties will subside.