Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Aging01:26

Aging

Aging is a complex biological phenomenon influenced by various processes that affect cellular and systemic functions. Several prominent theories attempt to explain its mechanisms, highlighting cellular limitations, oxidative damage, and hormonal changes as central factors in aging.
Cellular Clock Theory
The cellular clock theory posits that the human lifespan is closely tied to the finite capacity of cells to divide, a phenomenon governed by telomeres, which are protective caps at the ends of...
Cognitive Development During Adulthood01:30

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,...
Elaborative Rehearsals01:07

Elaborative Rehearsals

Elaborative rehearsal is a crucial cognitive strategy that strengthens information encoding in long-term memory by making meaningful connections between new data and pre-existing knowledge. This approach contrasts with maintenance rehearsal, which involves simple repetition without delving into the significance of the information. While maintenance rehearsal might temporarily keep information active in short-term memory, it is less effective for long-term retention.
The effectiveness of...
Alzheimer Disease l: Introduction01:29

Alzheimer Disease l: Introduction

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...
Pharmacodynamics in Geriatric Patients: Effects of Age01:27

Pharmacodynamics in Geriatric Patients: Effects of Age

Age-related pharmacokinetic changes are extensively documented, but understanding age-related pharmacodynamic alterations is relatively limited. This knowledge gap can be partly attributed to the complexity of developing appropriate measures of drug responses compared to bioanalytical methods for determining drug concentrations.Most information regarding age-related differences in human pharmacodynamics originates from cross-sectional studies. However, these studies assume that observed mean...
Alzheimer Disease ll: Pathophysiology01:23

Alzheimer Disease ll: Pathophysiology

Alzheimer disease involves structural changes in the brain that begin long before symptoms appear. The most distinctive features are extracellular neuritic plaques and intracellular neurofibrillary tangles.Neuritic plaques form in the cerebral cortex and around blood vessels. These plaques contain a dense core of beta-amyloid (Aβ)—a toxic protein fragment that clumps outside neurons. The core is surrounded by damaged neuronal extensions, as well as reactive astrocytes and microglia. Abnormal...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Aging differentially affects memory vividness and remembered salience for emotionally negative images.

Psychology and aging·2026
Same author

Lower-Body Strength, Lean Mass, and Bone Mineral Density Across the Adult Lifespan: Age- and Sex-Related Associations.

Medicine and science in sports and exercise·2026
Same author

When knowledge interferes with perception: Neural mechanisms of the semantic amplification of visual false memory.

bioRxiv : the preprint server for biology·2026
Same author

Differential associations between subjective and objective physical activity and memory across adulthood: a specification curve analysis.

Scientific reports·2026
Same author

White-matter connectivity shapes visual and semantic representations in the aging brain.

bioRxiv : the preprint server for biology·2026
Same author

Perceptual and conceptual influences on memory judgments.

Communications psychology·2026

Related Experiment Video

Updated: Jun 8, 2026

Brain Imaging Investigation of the Neural Correlates of Emotion Regulation
14:04

Brain Imaging Investigation of the Neural Correlates of Emotion Regulation

Published on: August 26, 2011

Emotion processing in the aging brain is modulated by semantic elaboration.

Maureen Ritchey1, Brandy Bessette-Symons, Scott M Hayes

  • 1Center for Cognitive Neuroscience, Duke University, Durham, NC 27708, USA. maureen.ritchey@duke.edu

Neuropsychologia
|September 28, 2010
PubMed
Summary

Older adults show enhanced brain activity for positive stimuli during elaborative tasks, suggesting controlled processing mediates age-related emotional biases. This highlights the role of semantic elaboration in emotion regulation across the lifespan.

More Related Videos

An Experimental Paradigm for Measuring the Effects of Ageing on Sentence Processing
04:30

An Experimental Paradigm for Measuring the Effects of Ageing on Sentence Processing

Published on: October 25, 2019

Assessment of Age-related Changes in Cognitive Functions Using EmoCogMeter, a Novel Tablet-computer Based Approach
10:13

Assessment of Age-related Changes in Cognitive Functions Using EmoCogMeter, a Novel Tablet-computer Based Approach

Published on: February 14, 2014

Related Experiment Videos

Last Updated: Jun 8, 2026

Brain Imaging Investigation of the Neural Correlates of Emotion Regulation
14:04

Brain Imaging Investigation of the Neural Correlates of Emotion Regulation

Published on: August 26, 2011

An Experimental Paradigm for Measuring the Effects of Ageing on Sentence Processing
04:30

An Experimental Paradigm for Measuring the Effects of Ageing on Sentence Processing

Published on: October 25, 2019

Assessment of Age-related Changes in Cognitive Functions Using EmoCogMeter, a Novel Tablet-computer Based Approach
10:13

Assessment of Age-related Changes in Cognitive Functions Using EmoCogMeter, a Novel Tablet-computer Based Approach

Published on: February 14, 2014

Area of Science:

  • Neuroscience
  • Cognitive Aging
  • Psychology

Background:

  • Age-related differences exist in emotion processing neural correlates, including frontal and amygdala activity.
  • Older adults (OAs) show valence-specific biases, potentially linked to controlled elaboration capacity.
  • The specific role of semantic elaboration in mediating these valence effects in aging remains unclear.

Purpose of the Study:

  • To investigate the role of semantic elaboration in modulating valence effects in the aging brain.
  • To examine age-related differences in neural activity and functional connectivity during emotion processing under varying elaboration demands.
  • To test if executive function predicts valence effects in older adults during elaborative tasks.

Main Methods:

  • Functional magnetic resonance imaging (fMRI) was used to scan young adults (YAs) and OAs.
  • Participants viewed negative, neutral, and positive pictures during deep (elaborative) or shallow (perceptual) tasks.
  • Psychophysiological interaction (PPI) analyses assessed functional connectivity.

Main Results:

  • Amygdala activity related to emotion processing was preserved in aging and unaffected by elaboration.
  • OAs, compared to YAs, showed enhanced medial prefrontal cortex (PFC) and ventrolateral PFC activity for positive versus negative stimuli, but only during elaborative tasks.
  • Executive function in OAs predicted positive valence effects in the deep, but not shallow, task.
  • Age effects were found in valence-dependent functional connectivity between medial PFC and ventral striatum.
  • Age and task effects were observed in medial PFC-retrosplenial cortex interactions.

Conclusions:

  • Valence processing differences in aging are modulated by controlled processes like semantic elaboration.
  • Age-related shifts in valence processing are supported by controlled semantic elaboration, self-referential processing, and emotion regulation.
  • Findings suggest that controlled elaboration is a key mechanism underlying age-related valence biases in the brain.