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

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.
Dementia l: Introduction01:22

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...
Dissociative Disorders01:27

Dissociative Disorders

Dissociative disorders represent complex psychological conditions characterized by disruptions in consciousness, memory, identity, or perception. These disruptions cause individuals to experience a disconnection from their thoughts, emotions, and memories. The phenomenon is not merely an occasional lapse in attention but a profound alteration in mental functioning that can severely impact daily life.
Dissociative Fugue
A hallmark feature of dissociative disorders is the dissociative fugue...
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...
Dissociative Identity Disorder01:30

Dissociative Identity Disorder

Dissociative Identity Disorder (DID), previously termed multiple personality disorder, is a complex psychological condition characterized by the presence of two or more distinct identities or personality states. Each identity exhibits unique patterns of behavior, voice, and mannerisms and may possess separate memories and emotional responses. The alternating control between identities can result in memory gaps and challenges in recalling daily activities, often exacerbating the individual's...
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...

You might also read

Related Articles

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

Sort by
Same author

Characteristics of fall recurrence among persistent, quasi-persistent, and transient fallers: a 3-year analysis from the SCOPE study.

European geriatric medicine·2026
Same author

sEEGnal: an automated EEG preprocessing pipeline evaluated against expert-driven preprocessing.

Computers in biology and medicine·2026
Same author

Authors' Reply to: "Comment on 'Impact of Simultaneous Topography-Guided PRK on Corneal Haze after Cross-Linking for Keratoconus: A Quantitative Densitometry Analysis'".

Cornea·2026
Same author

Efficacy and safety of implantable phakic contact lens versus implantable collamer lens in myopic eyes: a systematic review and meta-analysis.

Journal of cataract and refractive surgery·2026
Same author

The Combined Role of Cognitive, Plasma, Volumetric and EEG Markers Along the Alzheimer's Disease Continuum in Down Syndrome.

Journal of intellectual disability research : JIDR·2026
Same author

Safety and tolerability of switching to bictegravir/emtricitabine/tenofovir alafenamide versus continuing dolutegravir/lamivudine in people living with HIV with neuropsychiatric comorbidities: Week 24 and 48 results from the Management of INSTI-associated Neuropsychiatric Disorders (MIND) clinical trial.

International journal of antimicrobial agents·2026

Related Experiment Video

Updated: May 16, 2026

Dual-Task Stroop Paradigm for Detecting Cognitive Deficits in High-Functioning Stroke Patients
07:42

Dual-Task Stroop Paradigm for Detecting Cognitive Deficits in High-Functioning Stroke Patients

Published on: December 16, 2022

Dysfunctional and compensatory duality in mild cognitive impairment during a continuous recognition memory task.

Sara Aurtenetxe1, Nazareth P Castellanos, Stephan Moratti

  • 1Laboratory of Cognitive and Computational Neuroscience, Centre for Biomedical Technology, Technical University of Madrid and Complutense University of Madrid, Madrid, Spain. sara.aurtenetxe@ctb.upm.es

International Journal of Psychophysiology : Official Journal of the International Organization of Psychophysiology
|November 27, 2012
PubMed
Summary

Mild cognitive impairment (MCI) shows distinct brain oscillation patterns, with increased theta and decreased alpha, beta, and gamma power during memory tasks compared to controls. These findings reveal a dual neurophysiological signature of MCI.

More Related Videos

The Deese-Roediger-McDermott (DRM) Task: A Simple Cognitive Paradigm to Investigate False Memories in the Laboratory
07:26

The Deese-Roediger-McDermott (DRM) Task: A Simple Cognitive Paradigm to Investigate False Memories in the Laboratory

Published on: January 31, 2017

The Double-H Maze: A Robust Behavioral Test for Learning and Memory in Rodents
09:01

The Double-H Maze: A Robust Behavioral Test for Learning and Memory in Rodents

Published on: July 8, 2015

Related Experiment Videos

Last Updated: May 16, 2026

Dual-Task Stroop Paradigm for Detecting Cognitive Deficits in High-Functioning Stroke Patients
07:42

Dual-Task Stroop Paradigm for Detecting Cognitive Deficits in High-Functioning Stroke Patients

Published on: December 16, 2022

The Deese-Roediger-McDermott (DRM) Task: A Simple Cognitive Paradigm to Investigate False Memories in the Laboratory
07:26

The Deese-Roediger-McDermott (DRM) Task: A Simple Cognitive Paradigm to Investigate False Memories in the Laboratory

Published on: January 31, 2017

The Double-H Maze: A Robust Behavioral Test for Learning and Memory in Rodents
09:01

The Double-H Maze: A Robust Behavioral Test for Learning and Memory in Rodents

Published on: July 8, 2015

Area of Science:

  • Neuroscience
  • Cognitive Science
  • Biomedical Engineering

Background:

  • Mild cognitive impairment (MCI) is characterized by cognitive deficits.
  • Understanding the neurophysiological underpinnings of MCI is crucial for early diagnosis and intervention.
  • Deviations in brain oscillatory dynamics are a key area of investigation in MCI research.

Purpose of the Study:

  • To characterize differences in brain oscillation power during a recognition memory task in individuals with MCI compared to healthy elderly controls.
  • To identify specific frequency bands and brain regions associated with altered oscillatory activity in MCI.
  • To explore the potential of these oscillatory changes as neurophysiological markers for MCI.

Main Methods:

  • Magnetoencephalography (MEG) was used to record brain activity during a continuous recognition memory task.
  • Wavelet transform analysis in the source space, utilizing a minimum norm algorithm, was applied to oscillatory brain activity.
  • Statistical comparisons were made between MCI subjects and elderly controls on measures of oscillatory power.

Main Results:

  • Both groups achieved a similar recognition accuracy (77% hit ratio).
  • MCI subjects exhibited significantly increased theta power (p<0.001) compared to controls.
  • MCI subjects showed significantly reduced alpha (p<0.002), gamma power (p<0.001), and beta reduction (p<0.001) in frontal, temporal, and parietal areas across different time windows.

Conclusions:

  • MCI is associated with a dual pattern of altered brain oscillatory activity, including increases in theta and decreases in alpha, beta, and gamma power.
  • These distinct changes in oscillatory power are specific to certain time windows, frequency bands, and brain regions.
  • Characterizing these opposing neurophysiological processes may enhance the understanding of MCI and contribute to its diagnostic and therapeutic strategies.