Communication Aids to Support People with Dementia and IDD One of the biggest challenges facing caregivers and loved ones of someone with moderate to severe dementia and/or intellectual and developmental disabilities (IDD) is communication. Both conditions can affect a person’s ability to understand what is being said and to respond in a clear, appropriate and easy-to-understand way. Because communication can become so challenging, many caregivers and loved ones make the mistake of getting visibly frustrated, avoiding communication as much as possible and even speaking as if the person with dementia and IDD isn’t in the room and by nature can’t understand anything being said. Read more