ADAA member Dr. Eda Gorbis co-authors this blog post with Evelyn Dubon, MS..."Generally, OCD manifest before the individual is diagnosed with dementia. The individual will already display OCD symptoms such as repeating rituals (washing hands) or obsessive thoughts. When being diagnosed with dementia, OCD symptoms might worsen over time. For instance, the ritual of washing hands might increase to five times a day when it was twice a day. Moreover, because of memory loss, the ritual might increase overtime..."