Related Experiment Video
Updated: Jun 19, 2026

09:17
Using Retinal Imaging to Study Dementia
Published on: November 6, 2017
The concept of dementia: retain, reframe, rename or replace?
Alexander F Kurz1, Nicola T Lautenschlager
1Department of Psychiatry and Psychotherapy, Technical University Munich, Germany. alexander.kurz@lrz.tum.de
International Psychogeriatrics
|October 10, 2009
Summary
The term "dementia" describes severe intellectual decline but needs reframing due to its narrow focus and outdated meaning. A new name is proposed to better reflect diverse cognitive and behavioral conditions and aid early diagnosis.
Area of Science:
- Neurology
- Geriatrics
- Psychiatry
Background:
- The term "dementia" historically signifies severe intellectual deterioration impacting daily functioning and necessitating care.
- Current medical understanding defines dementia by cognitive and behavioral symptoms stemming from progressive brain diseases, with significant variability in presentation.
Purpose of the Study:
- To evaluate the continued utility of the term "dementia" in clinical practice and medical classification systems.
- To propose revisions for the concept of dementia, emphasizing its heterogeneity and the need for updated terminology.
Main Methods:
- Conceptual analysis of the term "dementia" and its historical and medical applications.
- Review of existing diagnostic criteria and their limitations in capturing the spectrum of cognitive impairment.
Main Results:
- The concept of dementia, despite limitations, remains valuable for directing clinical attention to underlying pathologies and ensuring patient access to treatment and support.
- The current definition is too narrowly modeled on Alzheimer's disease, failing to adequately represent other dementia subtypes.
- The term "dementia" itself is considered outdated and inappropriate given its literal meaning and the evolving understanding of cognitive decline.
Conclusions:
- The concept of dementia should be retained but reframed in future psychiatric classifications to acknowledge symptom pattern heterogeneity.
- A new terminology is recommended to better align with scientific advancements, improve medical communication, and support early diagnosis and treatment of cognitive and behavioral disorders.
More Related Videos
Related Concept Videos
Dementia l: Introduction
Dementia is an acquired, progressive syndrome characterized by a decline in multiple cognitive domains severe enough to impair daily functioning and reduce independence. Although memory loss is a central feature, the diagnosis requires additional deficits involving language, executive function, visuospatial skills, judgment, calculation, or abstract reasoning. These cognitive impairments reflect underlying neurodegenerative or vascular processes that gradually disrupt neuronal networks...
Dementia
Dementia is a collective term for cognitive disorders primarily affecting memory, thinking, and reasoning. It is not a specific disease but a syndrome, with Alzheimer's disease being the most common cause, accounting for approximately 60-80% of cases. Other types include vascular dementia, Lewy body dementia, and frontotemporal dementia. Dementia affects millions worldwide, particularly older adults, though it is not a normal part of aging.
The progression of dementia is generally gradual.
The progression of dementia is generally gradual.
Storage
A schema is a mental framework that helps individuals organize and interpret information. Schemata, formed from previous experiences, influence how we process new information: how we encode it, the inferences we make, and how we retrieve it. For instance, a schema for what a typical classroom looks like might include desks, a teacher's desk, a whiteboard, and students in such an environment. This expectation helps us quickly understand and navigate new classrooms without needing to analyze each...
Amnesia
Amnesia is a condition marked by long-term memory loss, which impairs the ability to recall past events or create new memories.
The severity and duration of memory loss vary depending on the type and underlying cause. Amnesia is classified into two main types: retrograde and anterograde.
Retrograde amnesia is marked by the loss of memories formed before the onset of the condition. Patients may recall distant past events but often forget those occurring shortly before the incident.
Anterograde...
The severity and duration of memory loss vary depending on the type and underlying cause. Amnesia is classified into two main types: retrograde and anterograde.
Retrograde amnesia is marked by the loss of memories formed before the onset of the condition. Patients may recall distant past events but often forget those occurring shortly before the incident.
Anterograde...
Interference and Decay
Forgetting is a complex cognitive phenomenon influenced by several factors, among which interference and decay are particularly prominent. These processes explain why individuals often struggle to retrieve specific information from memory, leading to lapses in recall that can be observed in everyday situations.
Interference occurs when competing memories hinder the retrieval of particular information. It can be classified into two types: proactive and retroactive interference. Proactive...
Interference occurs when competing memories hinder the retrieval of particular information. It can be classified into two types: proactive and retroactive interference. Proactive...
Cognitive Development During Adulthood
Cognitive development continues throughout adulthood, undergoing significant shifts across early, middle, and late stages. Individual transition occurs from adolescent idealism to pragmatic and adaptable thinking in early adulthood. During this period, individuals learn to integrate personal beliefs with the recognition that other perspectives are equally valid. Exposure to the complexities of modern society, diverse experiences, and higher education contribute to this adaptive thought process,...

