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

Functions of Connective Tissues01:17

Functions of Connective Tissues

16.8K
Connective tissues perform a broad range of functions in the body. Their primary function is to connect and link different tissues in the body and act as packaging material between tissues. The areolar tissue, a connective tissue prototype, commonly cements various tissue types in diverse body organs. In contrast, adipose tissue cushions internal organs while insulating the body from heat loss.
Hard connective tissues, such as bones and cartilage, provide structure and support to the body.
16.8K
Dietary Connections01:23

Dietary Connections

62.0K
In biological systems, most metabolic pathways are interconnected. The cellular respiration processes that convert glucose to ATP—such as glycolysis, pyruvate oxidation, and the citric acid cycle—tie into those that break down other organic compounds. As a result, various foods—from apples to cheese to guacamole—end up as ATP. In addition to carbohydrates, food also contains proteins and lipids—such as cholesterol and fats. All of these organic compounds are used...
62.0K
Introduction to Connective Tissues01:11

Introduction to Connective Tissues

15.0K
Connective tissues are one of the four main tissue types in humans that are extensively present in the body. They are characterized by cells embedded in an extracellular matrix (ECM) composed of a ground substance and three main types of protein fibers— collagen, elastic, and reticular fibers. The ground substance of connective tissues can range from a watery and jelly-like consistency to mineralized and hard. The wide variety of cells in the connective tissues include fibroblasts,...
15.0K
Classification of Connective Tissues01:30

Classification of Connective Tissues

16.0K
The connective tissues have different properties and functions in the human body. They are broadly categorized into proper, supporting, or fluid connective tissues.
Connective Tissue Proper
Connective tissue proper is the most abundant class of connective tissues. As its name implies, it predominantly connects different tissues in the body. Depending on the cell types, ground substance, viscosity, and fiber types in the ECM, connective tissue proper is further categorized into loose and dense....
16.0K
Embryonic Connective Tissues01:20

Embryonic Connective Tissues

6.5K
During early development, the embryo forms two types of connective tissues— the mesenchyme and mucoid connective tissue.
The mesenchyme is the first connective tissue that emerges in the developing embryo. It consists of loosely arranged multipotent mesenchymal cells and reticular fibers in the extracellular matrix. This loose arrangement allows easy migration of cells, which is essential for germ layer positioning, patterning, and organ morphogenesis during embryonic development.
6.5K
Dense Connective Tissue01:13

Dense Connective Tissue

12.1K
Dense connective tissue contains more collagen fibers than loose connective tissue. As a consequence, it displays greater resistance to stretching. There are two major categories of dense connective tissue— regular and irregular.
Dense Regular Connective Tissue
In dense regular connective tissue, fibers are arranged parallel to each other, enhancing its tensile strength and resistance to stretching in the direction of the fiber orientations. Ligaments and tendons are made of dense regular...
12.1K

You might also read

Related Articles

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

Sort by
Same author

Individualized mapping of functional brain networks in older adulthood.

Imaging neuroscience (Cambridge, Mass.)·2026
Same author

Biphasic Dose-Response and Mechanism Analysis of Vanillic Acid from <i>Larix gmelinii</i> on <i>Neofusicoccum laricinum</i>.

International journal of molecular sciences·2026
Same author

Effects of social support and type D personality, with serial mediation by psychological resilience and positive coping styles - a cross-sectional study: Subjective well-being in hemodialysis patients.

Medicine·2026
Same author

SimulScan and Partial Least Squares: Visualizing Swallowing Through Functional and Dynamic Imaging Correlations.

Magnetic resonance in medicine·2026
Same author

Interconnected influences of diet, gut microbiome, and metabolome on cognition across three metabolomics platforms.

Research square·2026
Same author

Circulating lipids are related to longitudinal changes of ATN biomarkers for Alzheimer's disease.

Molecular psychiatry·2026
Same journal

Neural Markers of Interocular Grouping During Binocular Rivalry With MEG.

Human brain mapping·2026
Same journal

Neural Correlates of Explicit Outcome Expectation Effects: An Activation Likelihood Estimation Meta-Analysis.

Human brain mapping·2026
Same journal

Benchmarking fMRI Denoising Pipelines.

Human brain mapping·2026
Same journal

Modeled Long-Term Effects of Psilocybin on Dynamic Activity and Effective Connectivity of Fronto-Striatal-Thalamic Circuits.

Human brain mapping·2026
Same journal

Intrinsic Functional Architecture Reflects Individual Differences in Passive Working Memory: An Exploratory Resting-State fMRI Study.

Human brain mapping·2026
Same journal

Symptom Overlap and Neurobiological Similarities Between Posttraumatic Stress Disorder and Tinnitus.

Human brain mapping·2026
See all related articles

Related Experiment Video

Updated: Feb 6, 2026

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

10.6K

Task-evoked functional connectivity does not explain functional connectivity differences between rest and task

Lauren K Lynch1,2, Kun-Han Lu2,3, Haiguang Wen2,3

  • 1Weldon School of Biomedical Engineering, Purdue University, West Lafayette, Indiana.

Human Brain Mapping
|August 26, 2018
PubMed
Summary
This summary is machine-generated.

Engaging in tasks alters brain functional connectivity by changing spontaneous activity, not just task-evoked responses. This suggests tasks suppress ongoing brain network correlations.

Keywords:
natural visionspontaneous activitytask evoked functional connectivitytask-rest interaction

More Related Videos

Functional Near Infrared Spectroscopy of the Sensory and Motor Brain Regions with Simultaneous Kinematic and EMG Monitoring During Motor Tasks
11:31

Functional Near Infrared Spectroscopy of the Sensory and Motor Brain Regions with Simultaneous Kinematic and EMG Monitoring During Motor Tasks

Published on: December 5, 2014

15.7K
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

3.7K

Related Experiment Videos

Last Updated: Feb 6, 2026

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

10.6K
Functional Near Infrared Spectroscopy of the Sensory and Motor Brain Regions with Simultaneous Kinematic and EMG Monitoring During Motor Tasks
11:31

Functional Near Infrared Spectroscopy of the Sensory and Motor Brain Regions with Simultaneous Kinematic and EMG Monitoring During Motor Tasks

Published on: December 5, 2014

15.7K
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

3.7K

Area of Science:

  • Neuroscience
  • Cognitive Neuroscience
  • Brain Imaging

Background:

  • Functional connectivity (FC) patterns differ between task and resting states.
  • The precise drivers of these FC differences remain incompletely understood.
  • Brain activity during tasks is a mix of spontaneous and task-evoked neural activity.

Purpose of the Study:

  • To investigate the contributions of spontaneous versus task-evoked activity to functional connectivity changes during a naturalistic task.
  • To characterize alterations in apparent functional connectivity between resting state and movie watching in humans.

Main Methods:

  • Analysis of functional connectivity differences between resting-state and naturalistic movie-watching conditions.
  • Distinguishing contributions from task-evoked activity and changes in spontaneous network dynamics.

Main Results:

  • Differences in functional connectivity were minimally explained by task-evoked processing of movie content.
  • The majority of FC differences were attributed to modifications in spontaneous brain networks during the task.
  • Task engagement led to reduced correlations in ongoing activity across cortical networks, particularly between visual and non-visual sensory/motor areas.

Conclusions:

  • Task-evoked activity and spontaneous activity are interdependent.
  • Engaging in complex tasks appears to suppress spontaneous brain activity and its inter-regional correlations.
  • Understanding these dynamics is crucial for interpreting brain function during cognitive tasks.