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Related Concept Videos

Radical Reactivity: Overview01:11

Radical Reactivity: Overview

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Radicals, the highly reactive species, gain stability by undergoing three different reactions. The first reaction involves a radical-radical coupling, in which a radical combines with another radical, forming a spin‐paired molecule. The second reaction is between a radical and a spin‐paired molecule, generating a new radical and a new spin‐paired molecule. The third reaction is radical decomposition in a unimolecular reaction, forming a new radical and a spin‐paired...
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Radical Formation: Elimination00:51

Radical Formation: Elimination

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Another method of radical formation is the elimination process. It is the opposite of the addition route and is driven by the instability of the radical. For example, as depicted in Figure 1, dibenzoyl peroxide yields a pair of unstable radicals upon homolysis. Given its instability, this radical spontaneously undergoes elimination via a C–C bond cleavage to form a relatively more stable phenyl radical. The mechanism involves cleavage of the bond between the α and β positions with respect...
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Group Polarization01:01

Group Polarization

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Group polarization is the strengthening of an original group attitude following the discussion of views within a group (Teger & Pruitt, 1967). That is, if a group initially favors a viewpoint, after discussion the group consensus is likely a stronger endorsement of the viewpoint. Conversely, if the group was initially opposed to a viewpoint, group discussion would likely lead to stronger opposition.
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Radical Formation: Overview01:03

Radical Formation: Overview

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A bond can be broken either by heterolytic bond cleavage to form ions or homolytic bond cleavage to yield radicals. A fishhook arrow is used to represent the motion of a single electron in homolytic bond cleavage. There are two main sources from which radicals can be formed:
Radicals from spin-paired molecules:
Radicals can be obtained from spin-paired molecules either by homolysis or electron transfer. While two radicals are formed in the former, an electron is added in the...
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Radical Formation: Addition00:47

Radical Formation: Addition

2.4K
Radicals can be formed by adding a radical to a spin-paired molecule. This is typically observed with unsaturated species, where the addition of a radical across the π bond leads to the production of a new radical by dissolving the π bond. For example, the addition of a Br radical to an alkene yields a carbon-centered radical.
Similar to charge conservation in chemical reactions, spin conservation is implicit for radical reactions. Accordingly, the product formed must possess an...
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Radical Chain-Growth Polymerization: Mechanism01:09

Radical Chain-Growth Polymerization: Mechanism

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The radical chain-growth polymerization mechanism consists of three steps: initiation, propagation, and termination of polymerization. The polymerization initiates when a free radical generated from the radical initiator adds to the unsaturated bond in the monomer. The unpaired electron of the free radical and one π electron in the unsaturated bond creates a σ bond between the free radical and the monomer. As a result, the other π electron in the unsaturated bond converts this species into...
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Related Experiment Video

Updated: Mar 17, 2026

Continuous Theta Burst Stimulation of the Posterior Medial Frontal Cortex to Experimentally Reduce Ideological Threat Responses
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On the Radicalization Process.

Samuel J Leistedt1,2,3,4

  • 1Forensic Mental Health Hospital "Les Marronniers", Rue Despars 94, Tournai, 7500, Belgium.

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|July 23, 2016
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Summary

Understanding the radicalization process is crucial for combating terrorism. This study offers a translational analysis of terrorist behavior, integrating psychological evaluation and literature review to identify key factors.

Keywords:
forensic scienceintelligence gatheringradicalizationsocial networkssocial psychologyterrorism

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Area of Science:

  • Psychology
  • Criminology
  • Sociology

Background:

  • Radicalization is a critical precursor to terrorist activities.
  • A comprehensive understanding of this process is vital for behavioral scientists.
  • Existing literature requires an in-depth, translational analysis.

Purpose of the Study:

  • To provide an in-depth description of the radicalization process.
  • To analyze terrorist behavior through psychological evaluation and literature review.
  • To highlight the importance of studying radicalization for behavioral science.

Main Methods:

  • Translational analysis integrating author's experience in psychological evaluation of terrorist behavior.
  • Exhaustive review of current literature using keywords: terrorism, radicalization, social psychology, psychopathology.
  • Database searches in Scopus, Medline, PubCentral, and Science Direct.

Main Results:

  • Identification of radicalization as a key step in terrorist activities.
  • Synthesis of existing knowledge on radicalization through a dual approach.
  • Emphasis on the need for further international research.

Conclusions:

  • Understanding radicalization is a priority for behavioral scientists.
  • Future research should focus on risk factors, brainwashing, media influence, and de-radicalization.
  • International collaborative studies are essential for a comprehensive approach.