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Related Concept Videos

Working Memory01:24

Working Memory

Working memory refers to a combination of components, including short-term memory and attention, that allow an individual to hold information temporarily as we perform cognitive tasks. It is an essential cognitive function that enables the execution of complex tasks such as problem-solving, comprehension, and reasoning. Unlike short-term memory, which simply involves the storage of information for a brief period, working memory involves the active manipulation and processing of this information.
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,...
Information Processing Approach01:30

Information Processing Approach

The information-processing theory of cognitive development centers on fundamental mental processes, including attention, memory, and problem-solving skills. Researchers in this field examine how cognitive abilities, such as working memory, evolve and influence children's overall development. Studies indicate that children with stronger working memory tend to excel in reading comprehension, math, and problem-solving compared to peers with less efficient memory skills. Low working memory is also...
Interference and Decay01:16

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...
Chunking and Rehearsal in Sensory Memory01:22

Chunking and Rehearsal in Sensory Memory

Improving short-term memory can be achieved through techniques like chunking and rehearsal. Chunking involves organizing information into larger, more manageable units. This technique is particularly useful for information that exceeds the typical memory span of between five and nine items. For instance, logging into an online account with a password like "ta89vq0179gz" involves grouping letters and numbers into three chunks—ta89, vq01, and 79gz. It makes large amounts of information more...
Role of Cerebellum and Prefrontal Cortex in Memory01:14

Role of Cerebellum and Prefrontal Cortex in Memory

The cerebellum, while traditionally associated with motor control, also plays a crucial role in memory, particularly in procedural memory, which involves learning motor tasks that become automatic through repetition. For example, studies have shown that when the cerebellum is damaged, individuals or animals lose the ability to learn conditioned motor responses, such as the conditioned eye-blink response in classical conditioning experiments with rabbits. This study demonstrates the cerebellum's...

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Related Experiment Video

Updated: May 28, 2026

Working Memory Training for Older Participants: A Control Group Training Regimen and Initial Intellectual Functioning Assessment
07:01

Working Memory Training for Older Participants: A Control Group Training Regimen and Initial Intellectual Functioning Assessment

Published on: September 20, 2020

Reversing age-related decline in working memory.

Andrew R Mendelsohn1, James W Larrick

  • 1Panorama Research Institute and Regenerative Sciences Institute, Sunnyvale, California, USA. amend@regensci.org

Rejuvenation Research
|October 22, 2011
PubMed
Summary
This summary is machine-generated.

Aging rhesus monkeys show declining working memory linked to reduced neuronal activity in the prefrontal cortex. Stimulating specific receptors can restore this activity, offering potential treatments for age-related memory loss.

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A Cognitive Paradigm to Investigate Interference in Working Memory by Distractions and Interruptions
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A Cognitive Paradigm to Investigate Interference in Working Memory by Distractions and Interruptions

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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: May 28, 2026

Working Memory Training for Older Participants: A Control Group Training Regimen and Initial Intellectual Functioning Assessment
07:01

Working Memory Training for Older Participants: A Control Group Training Regimen and Initial Intellectual Functioning Assessment

Published on: September 20, 2020

A Cognitive Paradigm to Investigate Interference in Working Memory by Distractions and Interruptions
10:38

A Cognitive Paradigm to Investigate Interference in Working Memory by Distractions and Interruptions

Published on: July 16, 2015

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
  • Primate Models

Background:

  • Cognitive functions like working memory and attention decline with age.
  • Aging rhesus monkeys exhibit decreased neuronal activity in the prefrontal cortex during memory tasks.
  • This neuronal decline correlates with working memory deficits.

Purpose of the Study:

  • To investigate the neural mechanisms underlying age-related working memory decline in rhesus monkeys.
  • To identify potential therapeutic targets for restoring cognitive function in aging individuals.

Main Methods:

  • Monitoring neuronal activity in the prefrontal cortex of aging rhesus monkeys during a working memory task.
  • Administering agents to modulate specific neuronal pathways, including alpha-2 adrenergic receptors, cyclic adenosine monophosphate (cAMP) signaling, and potassium channels.

Main Results:

  • Loss of activity in specific prefrontal cortex neurons was observed during the delay period following a learning cue in aging monkeys.
  • Stimulation of alpha-2 adrenergic receptors rescued neuronal activity.
  • Inhibition of cAMP signaling and closure of specific potassium channels also restored neuronal activity.

Conclusions:

  • Age-related working memory decline is associated with reduced prefrontal cortex neuronal activity.
  • Modulating alpha-2 adrenergic receptors shows promise for treating working memory loss.
  • Targeting these neuronal pathways could offer therapeutic benefits for cognitive aging.