Related Experiment Video
Updated: May 18, 2026

Examining the Characteristics of Episodic Memory using Event-related Potentials in Patients with Alzheimer's Disease
Published on: August 30, 2011
Remembering the past and imagining the future in the elderly.
Daniel L Schacter1, Brendan Gaesser, Donna Rose Addis
1Department of Psychology, Harvard University, Cambridge, MA 02138, USA. dls@wjh.harvard.edu
Older adults show reduced episodic detail when remembering the past and imagining the future, linked to memory decline. This aligns with the constructive episodic simulation hypothesis, suggesting shared cognitive processes for memory and future thinking.
Area of Science:
- Cognitive Neuroscience
- Psychology
- Neuroimaging
Background:
- Remembering past and future events share cognitive processes and brain regions.
- Age-related changes impact memory and future imagination capacities.
Purpose of the Study:
- Review cognitive and neuroimaging studies on memory and future imagination in older adults.
- Examine age-related changes in episodic detail for past and future events.
Main Methods:
- Behavioral studies
- Neuropsychological assessments
- Neuroimaging techniques
Main Results:
- Older adults exhibit memory deficits correlating with impaired future imagination.
- Reduced episodic detail observed in older adults' memory and future imagination.
- Non-episodic factors also contribute to age-related memory and imagination changes.
Conclusions:
- Findings support the constructive episodic simulation hypothesis.
- Age-related decline affects the construction of future events from past information.
- Further research needed on functional implications for older adults.
Related Concept Videos
Cognitive Development During Adulthood
Autobiographical Memory
Implicit Memories
One key aspect of implicit...
Storage
Interference and Decay
Interference occurs when competing memories hinder the retrieval of particular information. It can be classified into two types: proactive and retroactive interference. Proactive...
Higher Mental Functions of Brain: Learning and Memory

