When it comes to dementia, although it is often incurable, early detection plays a crucial role in managing and slowing down its progression. Familiarizing oneself with the various stages of dementia enables the timely recognition of its symptoms. To simplify the assessment process, most experts divide dementia into four broad categories: pre-dementia (comprising of three stages), early stage, middle stage, and late stage.
Preclinical Stage: No Cognitive Decline
When it comes to the early stages of dementia, such as preclinical and prodromal states, individuals typically do not exhibit any signs of cognitive decline. However, there are still important indicators to consider. One of the most notable symptoms during the preclinical stage is the loss of the sense of smell. Interestingly, this sensory dysfunction can occur up to a decade prior to the emergence of any cognitive symptoms.
Prodromal Stage: Mild Cognitive Impairment
The prodromal stage is the next phase after the preclinical stage, characterized by two distinct states. One of these states is mild cognitive impairment (MCI), which is marked by noticeable cognitive issues. Individuals may experience a decline in their work performance, have difficulty remembering names, struggle to retain information from written text, frequently lose important objects, and find it challenging to concentrate. These cognitive impairments often lead to increased anxiety among affected individuals.