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Correlations02:20

Correlations

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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...
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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.
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In statistics, two variables are said to be correlated if the values of one variable are associated with the other variable. Depending on the relationship between two variables, correlation can be of three types– positive correlation, negative correlation, and zero correlation.
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Related Experiment Video

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Brain Imaging Investigation of the Neural Correlates of Emotional Autobiographical Recollection
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Shared Neural Correlates Underlying Addictive Disorders and Negative Urgency.

Miji Um1, Zachary T Whitt2, Rebecca Revilla3

  • 1Department of Psychology, Indiana University⁻Purdue University Indianapolis, Indianapolis, IN, 46202, USA. mijium@iupui.edu.

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Negative urgency, acting rashly due to intense negative emotions, shares brain patterns with addiction. This trait may offer a transdiagnostic approach for treating addictive behaviors.

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addictive disordersdisordered eatingnegative urgencypathological gamblingsubstance use disorders

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Area of Science:

  • Neuroscience
  • Psychology
  • Addiction Research

Background:

  • Negative urgency is a personality trait linked to impulsive behavior in response to negative emotions.
  • It's recognized as a transdiagnostic endophenotype for addictive behaviors.
  • Neural correlates of negative urgency overlap with those of addiction.

Purpose of the Study:

  • To review the neural correlates of negative urgency.
  • To compare these with neural correlates of addictive disorders.
  • To propose transdiagnostic treatment and intervention strategies.

Main Methods:

  • Qualitative review of existing literature.
  • Comparison of neural patterns in negative urgency and addiction.
  • Synthesis of findings for future research directions.

Main Results:

  • Shared neural patterns in the ventral striatum, prefrontal cortex (PFC), orbitofrontal cortex (OFC), and amygdala.
  • These patterns link to risky behaviors and negative urgency.
  • Convergence suggests a transdiagnostic approach is warranted.

Conclusions:

  • Negative urgency and addictive disorders share significant neural underpinnings.
  • Leveraging these convergent patterns can inform transdiagnostic treatments.
  • Future research should focus on animal models, interventions, and biomarkers.