This ailment manifests in such unique combinations and intensities in individuals, that it is hard to pinpoint the exact stages, according to the Lewy Body Dementia Association. The association lists memory loss as the most common early-stage symptom.
The earliest and most commonly manifested stage of Lewy Body Dementia (LBD) is dementia, notes the Lewy Body Dementia Association. This is characterized by memory loss, confusion with and changes in the patients' manner of speaking and personality changes. Memory loss manifests itself in forgetting common words, familiar names and routes and daily habits and routines. The patient may also lose cognitive skills such as the ability to learn new skills, solve simple problems and make decisions, according to the Lewy Body Dementia Association. Sleep disorders are common and are among the earliest signs of LBD. Patients show signs of confusion when transitioning between sleep and waking realities, notes the Lewy Body Dementia Association.
A lack of alertness and awareness of their surroundings is another stage of LBD. This can strike at any time of the day or night. Hallucinations that involve vision, sounds, taste and smell are also reported as the ailment progresses, states the Lewy Body Dementia Association. LBD in the advanced stages may manifest as Parkinsonism and the patient's gait and range of movement shows signs of degeneration and impairment. Psychiatric problems such as depression, delusions and aggression and symptoms such as fainting and irregular blood pressure are also common, according to the Lewy Body Dementia Association.