Related Experiment Video
Updated: Apr 18, 2026
06:23
The 4 Mountains Test: A Short Test of Spatial Memory with High Sensitivity for the Diagnosis of Pre-dementia Alzheimer's Disease
Published on: October 13, 2016
34.3K
Ill-defined problem solving in amnestic mild cognitive impairment: linking episodic memory to effective solution
S Sheldon1, S Vandermorris2, M Al-Haj3
1Department of Psychology, McGill University 1205 Dr. Penfield Avenue, Montreal, Quebec, Canada H3A 1B1.
Neuropsychologia
|January 11, 2015
Summary
Episodic memory, crucial for recalling past events, is vital for solving complex, ill-defined problems. Individuals with amnestic mild cognitive impairment (aMCI) show deficits in both, impacting daily functioning.
Area of Science:
- Neuroscience
- Cognitive Psychology
- Gerontology
Background:
- The medial temporal lobes (MTL), particularly the hippocampus, are critical for episodic memory.
- Emerging research links episodic memory processes to solving ill-defined problems lacking routine solutions.
Purpose of the Study:
- To investigate the relationship between episodic memory and the ability to solve ill-defined social problems.
- To examine problem-solving skills in individuals with amnestic mild cognitive impairment (aMCI), a condition marked by episodic memory deficits.
Main Methods:
- Participants included individuals with aMCI and matched controls.
- A comprehensive assessment battery included neuropsychological tests, the Autobiographical Interview for episodic content, and an ill-defined social problem-solving task.
Main Results:
- The aMCI group exhibited reduced episodic richness in autobiographical recall compared to controls.
- Individuals with aMCI demonstrated poorer performance on ill-defined social problem-solving tasks.
- Episodic memory richness positively correlated with effective ill-defined problem-solving abilities.
Conclusions:
- Episodic memory plays a significant role in ill-defined, goal-directed behaviors and flexible thinking tasks.
- Impaired ill-defined problem-solving in aMCI may be linked to difficulties in maintaining functional independence.
- Findings suggest a broader functional role for episodic memory beyond traditional memory recall.
Related Concept Videos
01:22Dementia l: Introduction
1
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...
1
01:26Alzheimer's Disease: Overview
2.0K
Alzheimer's Disease (AD) is a continually advancing neurodegenerative disorder, distinguished by escalating memory loss, cognitive dysfunction, and dementia. The disease unfolds in three stages: preclinical, mild cognitive impairment (MCI), and dementia. Its onset is insidious, and the progression gradual, with the cause not well explained by other disorders.
The clinical diagnosis of AD hinges on the presence of memory and other cognitive impairments. Biomarkers, such as changes in Aβ...
The clinical diagnosis of AD hinges on the presence of memory and other cognitive impairments. Biomarkers, such as changes in Aβ...
2.0K
01:29Alzheimer Disease l: Introduction
2
Alzheimer disease is a chronic, progressive, and irreversible neurodegenerative disorder and the most common cause of dementia in older adults. It leads to gradual neuronal loss, causing cognitive decline, behavioral changes, and loss of functional independence.Risk Factors and EtiologyThe disease is multifactorial. Age is the strongest risk factor, with prevalence doubling every 5 years after age 65. Genetic factors include mutations in genes such as APP, PSEN1, and PSEN2, which are associated...
2
01:30Cognitive Development During Adulthood
1.3K
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,...
1.3K
01:13Amnesia
892
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...
892
01:30Cognitive Enhancers: Cholinesterase Inhibitors and NMDA Receptor Antagonists
917
Cognitive enhancers, also known as "smart drugs," are substances used to enhance memory, mental alertness, and concentration. These can be natural or synthetic and improve cognition in conditions like Alzheimer's disease (AD) and other neurodegenerative diseases. Some common examples include caffeine, amphetamines, methylphenidate, modafinil, arecoline, donepezil, vortioxetine, and piracetam. These enhancers work on the principle of synaptic plasticity and altered circuit function.
917