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

Information Processing Approach01:30

Information Processing Approach

889
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...
889
Working Memory01:24

Working Memory

1.3K
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...
1.3K
Language and Cognition01:27

Language and Cognition

881
Language serves as a bridge between ideas and communication, influencing how individuals perceive and interact with the world. Psychologists have long debated whether language shapes thought or vice versa. This discussion gained grip with Edward Sapir and Benjamin Lee Whorf in the 1940s, who proposed that language determines thought, a concept known as linguistic determinism. They suggested that the vocabulary and structure of a language influence how its speakers think and perceive reality.
881
Higher Mental Functions of Brain: Learning and Memory01:26

Higher Mental Functions of Brain: Learning and Memory

2.2K
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...
2.2K
Cognitive Development During Adulthood01:30

Cognitive Development During Adulthood

1.4K
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,...
1.4K
Role of Cerebellum and Prefrontal Cortex in Memory01:14

Role of Cerebellum and Prefrontal Cortex in Memory

1.5K
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...
1.5K

You might also read

Related Articles

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

Sort by
Same author

Predictive risk factors of recurrence in breast cancer after neoadjuvant treatment: the NEORISK study.

Future oncology (London, England)·2025
Same author

The burden of some of the most common zoonoses in primary care: a population-based study in Italy.

Postgraduate medical journal·2025
Same author

Human monoclonal antibodies targeting subdominant meningococcal antigens confer cross-protection against gonococcus.

Science translational medicine·2025
Same author

Glucagon-Like Peptide-1 receptor agonists, dual GIP/GLP-1 receptor agonist tirzepatide and suicidal ideation and behavior: A systematic review of clinical studies and pharmacovigilance reports.

Diabetes & metabolic syndrome·2025
Same author

State of the Art and Consensus Statements by Healthcare Providers, Patients, and Caregivers on Continuous Glucose Monitoring in Liver Glycogen Storage Diseases.

Journal of inherited metabolic disease·2025
Same author

Immunomodulatory effects of dental pulp stem cells on lymphocytes and monocytes from patients with rheumatoid arthritis.

Clinical and experimental rheumatology·2025
Same journal

Brain Aging in Specific Phobia: An ENIGMA-Anxiety Mega-Analysis.

Human brain mapping·2026
Same journal

Talking to the Brain: Using Large Language Models as Proxies to Model Brain Semantic Features.

Human brain mapping·2026
Same journal

Emotional Context Modulates the Response to Somatosensory Stimuli Within 20 milliseconds.

Human brain mapping·2026
Same journal

GABAergic Modulation of Brain Function During Prosaccade and Antisaccade Eye Movements: Evidence From Ultra-High-Field fMRI.

Human brain mapping·2026
Same journal

Injury Severity Influences Long-Term Cognitive Control in Pediatric "Mild" Traumatic Brain Injury.

Human brain mapping·2026
Same journal

Early Adulthood Signatures of Motherhood in Brain Aging.

Human brain mapping·2026
See all related articles

Related Experiment Video

Updated: May 2, 2026

Generalized Psychophysiological Interaction PPI Analysis of Memory Related Connectivity in Individuals at Genetic Risk for Alzheimer's Disease
09:38

Generalized Psychophysiological Interaction PPI Analysis of Memory Related Connectivity in Individuals at Genetic Risk for Alzheimer's Disease

Published on: November 14, 2017

14.4K

Efficiency of weak brain connections support general cognitive functioning.

Emiliano Santarnecchi1, Giulia Galli, Nicola Riccardo Polizzotto

  • 1Department of Medicine, Surgery and Neuroscience, Neurology and Neurophysiology Section, University of Siena, Siena, Italy.

Human Brain Mapping
|March 4, 2014
PubMed
Summary
This summary is machine-generated.

Individual intelligence differences are linked to brain network communication efficiency, particularly involving moderately weak, long-distance connections. This challenges the "stronger is better" view, highlighting the importance of both weak and strong brain connections for cognitive function.

Keywords:
brain connectivitycomparative psychologyfMRIfunctional connectivitygraph theoryintelligenceresting state

More Related Videos

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

3.9K
A Method for Investigating Age-related Differences in the Functional Connectivity of Cognitive Control Networks Associated with Dimensional Change Card Sort Performance
09:01

A Method for Investigating Age-related Differences in the Functional Connectivity of Cognitive Control Networks Associated with Dimensional Change Card Sort Performance

Published on: May 7, 2014

9.5K

Related Experiment Videos

Last Updated: May 2, 2026

Generalized Psychophysiological Interaction PPI Analysis of Memory Related Connectivity in Individuals at Genetic Risk for Alzheimer's Disease
09:38

Generalized Psychophysiological Interaction PPI Analysis of Memory Related Connectivity in Individuals at Genetic Risk for Alzheimer's Disease

Published on: November 14, 2017

14.4K
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

3.9K
A Method for Investigating Age-related Differences in the Functional Connectivity of Cognitive Control Networks Associated with Dimensional Change Card Sort Performance
09:01

A Method for Investigating Age-related Differences in the Functional Connectivity of Cognitive Control Networks Associated with Dimensional Change Card Sort Performance

Published on: May 7, 2014

9.5K

Area of Science:

  • Neuroscience
  • Cognitive Neuroscience
  • Network Science

Background:

  • Brain network topology is crucial for understanding brain function and cognitive abilities.
  • Previous research often focused on strong brain connections, neglecting weaker ones.
  • The relationship between the strength of brain connections and intelligence is not fully understood.

Purpose of the Study:

  • To investigate whether the strength of functional brain connections explains individual differences in intelligence.
  • To explore the role of both strong and weak connections in brain network topology related to cognitive abilities.

Main Methods:

  • Analyzed resting-state functional connectivity in 98 healthy individuals.
  • Correlated various connectivity measures with full scale, verbal, and performance intelligence quotients (IQs).
  • Examined the contribution of different connection strengths to brain network efficiency.

Main Results:

  • Individual differences in IQ were primarily explained by the communication efficiency of networks with moderately weak, long-distance connections.
  • Stronger connections contributed less to the variance in IQ levels.
  • Global network efficiency in specific brain regions (prefrontal lobes, hippocampus, temporal pole, postcentral gyrus) was associated with IQ variability.

Conclusions:

  • Challenges the traditional view that only strong brain connections are important for cognitive function.
  • Highlights the significant role of weaker, long-distance connections in determining human intelligence.
  • Suggests that both strong and weak functional brain connections are vital for the cognitive architecture underlying intelligence variability.