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

Long-Term Memory01:18

Long-Term Memory

670
Long-term memory is a relatively permanent type of memory, capable of storing vast amounts of information over extended periods. Its storage capacity is generally considered unlimited.
Long-term memory can be categorized into two primary types: explicit and implicit memory. Explicit memory, also known as declarative memory, involves the conscious recollection of information that we deliberately try to remember, recall, and articulate. This type of memory encompasses specific facts, events, and...
670
Correlations02:20

Correlations

35.8K
Correlation means that there is a relationship between two or more variables (such as ice cream consumption and crime), but this relationship does not necessarily imply cause and effect. When two variables are correlated, it simply means that as one variable changes, so does the other. We can measure correlation by calculating a statistic known as a correlation coefficient. A correlation coefficient is a number from -1 to +1 that indicates the strength and direction of the relationship between...
35.8K
Correlation and Causation01:27

Correlation and Causation

42.4K
Statistical tests can calculate whether there is a relationship, or correlation, between independent and dependent variables. An indirect relationship of the variables signifies a correlation, while a direct relationship shows causation. If it is determined that no connection exists between the variables, then the correlation is a coincidence.
Correlation versus Causation
If the dependent variable increases or decreases when the independent variable increases, there is a positive or negative...
42.4K
Higher Mental Functions of Brain: Learning and Memory01:26

Higher Mental Functions of Brain: Learning and Memory

2.1K
Memory is one of the most vital higher mental functions of the brain. Memory is closely related to learning because it enables us to retain information and experiences from our past to use them in our present life. It also helps us to remember facts, events, and skills, such as riding a bike or swimming. There are two types of memory — declarative memory, which involves memorizing facts or events, and procedural memory, which enables us to remember how to do something like writing or...
2.1K
Systematic Error: Methodological and Sampling Errors01:15

Systematic Error: Methodological and Sampling Errors

10.9K
In the case of systematic errors, the sources can be identified, and the errors can be subsequently minimized by addressing these sources. According to the source, systematic errors can be divided into sampling, instrumental, methodological, and personal errors.
Sampling errors originate from improper sampling methods or the wrong sample population. These errors can be minimized by refining the sampling strategy. Defective instruments or faulty calibrations are the sources of instrumental...
10.9K
Fundamental Attribution Error01:14

Fundamental Attribution Error

13.7K
According to some social psychologists, people tend to overemphasize internal factors as explanations—or attributions—for the behavior of other people. They tend to assume that the behavior of another person is a trait of that person, and to underestimate the power of the situation on the behavior of others. They tend to fail to recognize when the behavior of another is due to situational variables, and thus to the person’s state. This erroneous assumption is...
13.7K

You might also read

Related Articles

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

Sort by
Same author

Revisiting the earliest hyperscanning study: power and functional connectivity in the alpha band may link brains far apart.

Frontiers in human neuroscience·2024
Same author

READv2: advanced and user-friendly detection of biological relatedness in archaeogenomics.

Genome biology·2024
Same author

Benchmarking kinship estimation tools for ancient genomes using pedigree simulations.

Molecular ecology resources·2024
Same author

Spatiotemporal signal space separation for regions of interest: Application for extracting neuromagnetic responses evoked by deep brain stimulation.

Human brain mapping·2024
Same author

Abnormally low sensorimotor α band nonlinearity serves as an effective EEG biomarker of Parkinson's disease.

Journal of neurophysiology·2024
Same author

Human inbreeding has decreased in time through the Holocene.

Current biology : CB·2021

Related Experiment Video

Updated: Jan 28, 2026

C. elegans Positive Butanone Learning, Short-term, and Long-term Associative Memory Assays
09:58

C. elegans Positive Butanone Learning, Short-term, and Long-term Associative Memory Assays

Published on: March 11, 2011

30.4K

Brain Oscillatory Correlates of Visual Short-Term Memory Errors.

Igor Mapelli1, Tolga Esat Özkurt1

  • 1Neurosignal Laboratory, Graduate School of Informatics, Middle East Technical University, Ankara, Turkey.

Frontiers in Human Neuroscience
|March 1, 2019
PubMed
Summary

Brain activity during memory tasks reveals distinct patterns. Reduced theta power during encoding aids successful memory formation, while increased alpha-beta activity during retention signals memory errors and false memories.

Keywords:
EEGfalse memorymemory errorsneural oscillationsvisualworking memory

More Related Videos

Short-Term Free-Floating Slice Cultures from the Adult Human Brain
09:14

Short-Term Free-Floating Slice Cultures from the Adult Human Brain

Published on: November 5, 2019

9.7K
Isolation Method for Long-Term and Short-Term Hematopoietic Stem Cells
06:41

Isolation Method for Long-Term and Short-Term Hematopoietic Stem Cells

Published on: May 19, 2023

2.6K

Related Experiment Videos

Last Updated: Jan 28, 2026

C. elegans Positive Butanone Learning, Short-term, and Long-term Associative Memory Assays
09:58

C. elegans Positive Butanone Learning, Short-term, and Long-term Associative Memory Assays

Published on: March 11, 2011

30.4K
Short-Term Free-Floating Slice Cultures from the Adult Human Brain
09:14

Short-Term Free-Floating Slice Cultures from the Adult Human Brain

Published on: November 5, 2019

9.7K
Isolation Method for Long-Term and Short-Term Hematopoietic Stem Cells
06:41

Isolation Method for Long-Term and Short-Term Hematopoietic Stem Cells

Published on: May 19, 2023

2.6K

Area of Science:

  • Cognitive Neuroscience
  • Neuroimaging
  • Memory Research

Background:

  • Understanding the neural mechanisms of memory formation is crucial for cognitive science.
  • Visual working memory (WM) involves complex brain dynamics during encoding and retention.
  • Differentiating successful memories from errors and false memories requires analyzing brain oscillations.

Purpose of the Study:

  • To investigate the brain's oscillatory dynamics during the encoding and retention phases of a visual working memory task.
  • To compare the neural signatures of successful memories, erroneous memories, and false memories.
  • To elucidate the role of specific brain rhythms in memory accuracy and cognitive effort.

Main Methods:

  • Electroencephalography (EEG) was used to record brain activity.
  • Participants performed a visual working memory task involving object images.
  • Spectral analysis was applied to EEG data to examine theta (6-8 Hz) and alpha-beta (10-26 Hz) oscillations.

Main Results:

  • Lower occipital theta power during encoding was associated with successful and false memories, indicating efficient neural activation.
  • Higher right parieto-occipital alpha-beta activity during retention correlated with erroneous and false memories, suggesting inefficient resource allocation.
  • Increased alpha-beta activity in false memories may reflect cognitive effort to manage semantic and perceptual load.

Conclusions:

  • Distinct oscillatory patterns in theta and alpha-beta bands differentiate successful memory encoding from errors.
  • Alpha-beta activity during retention serves as an indicator of memory maintenance efficiency and cognitive load.
  • These findings offer insights into the neural basis of memory accuracy and the generation of false memories.