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Related Concept Videos

Competition02:34

Competition

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When organisms require the same limited resources within an environment, they may have to compete for them. Competition is a net-negative interaction. Even if two competing individuals or populations do not interact directly, the overall fitness of both competitors is lowered as a result of not having full access to the limited resource.
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Functions of Connective Tissues01:17

Functions of Connective Tissues

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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.
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Dietary Connections01:23

Dietary Connections

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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...
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Introduction to Connective Tissues01:11

Introduction to Connective Tissues

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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,...
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Classification of Connective Tissues01:30

Classification of Connective Tissues

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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....
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Embryonic Connective Tissues01:20

Embryonic Connective Tissues

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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.
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Related Experiment Video

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Analyzing Neural Activity and Connectivity Using Intracranial EEG Data with SPM Software
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Analyzing Neural Activity and Connectivity Using Intracranial EEG Data with SPM Software

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Functional EEG connectivity during competition.

Michela Balconi1,2, Maria Elide Vanutelli3,4

  • 1Research Unit in Affective and Social Neuroscience, Catholic University of the Sacred Heart, Milan, Italy. michela.balconi@unicatt.it.

BMC Neuroscience
|October 20, 2018
PubMed
Summary
This summary is machine-generated.

Competition enhances cognitive performance and alters brain connectivity. Studies show reduced response times and errors during competition, with further improvements after positive feedback. Inter-brain connectivity in prefrontal areas decreased, linking performance to neural synchrony.

Keywords:
CompetitionEEGFunctional connectivityHyperscanningReinforcing feedback

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Area of Science:

  • Social Neuroscience
  • Cognitive Neuroscience
  • Electrophysiology

Background:

  • Social interactions and competition significantly influence human behavior and relationships.
  • Previous research often used individual paradigms, neglecting interdependent social dynamics.
  • Competition highlights social comparison processes crucial for understanding social interactions.

Purpose of the Study:

  • Investigate behavioral and neural responses during competition using a hyperscanning paradigm.
  • Examine the effects of social reinforcement on competitive performance and brain activity.
  • Analyze inter-brain coupling and its relationship with cognitive performance in dyads.

Main Methods:

  • Dyads of volunteers participated in a computerized attention task under competitive and control conditions.
  • Electrophysiological (EEG) activity and performance were recorded using hyperscanning.
  • Behavioral data and inter-brain coupling measures were analyzed across individual, pre-feedback, and post-feedback competitive conditions.

Main Results:

  • Competitive tasks improved performance, indicated by reduced response times and error rates.
  • A significant improvement in performance was observed after positive reinforcing feedback.
  • Inter-brain functional connectivity, particularly in prefrontal areas, decreased in slower EEG bands (delta and theta).

Conclusions:

  • Behavioral improvements during competition are associated with altered inter-brain connectivity patterns.
  • Social reinforcement can further enhance competitive performance.
  • Findings contribute to understanding neural mechanisms underlying competition and social reinforcement processing.