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Related Concept Videos

Fatigue01:21

Fatigue

267
Fatigue occurs when materials rupture under repeated or fluctuating loads, even at stress levels far below their static breaking strength. It typically results in brittle failure, even for ductile materials. It is a critical consideration in designing machines and structural components subjected to repetitive or varying loads. The nature of these loadings can range from fluctuating loads like unbalanced pump impellers causing vibrations to repeatedly bending a thin steel rod wire back and forth...
267
The Influence of Cognition on Affect01:29

The Influence of Cognition on Affect

4
Cognition plays a pivotal role in shaping emotional experiences, as demonstrated by Schachter and Singer’s two-factor theory of emotion. According to this model, emotion arises from a combination of physiological arousal and cognitive interpretation. The body’s physiological response to stimuli is ambiguous and only gains emotional significance through cognitive labeling. For instance, an increased heart rate and adrenaline surge while standing near an attractive person may be...
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Traits and States01:17

Traits and States

326
Personality traits represent consistent patterns in behavior, thoughts, and emotions, reflecting an individual's tendencies across various situations. For example, extraversion, a well-known trait, manifests in individuals as talkative, energetic, and enthusiastic behaviors. These traits are stable over time, offering a reliable framework for predicting how people might act in different contexts. However, they do not define every moment of an individual's life. In contrast to traits,...
326
Language and Cognition01:27

Language and Cognition

478
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.
478
Cognitive Development During Adulthood01:30

Cognitive Development During Adulthood

343
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,...
343
Self-Regulation01:25

Self-Regulation

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Self-regulation, also known as self-control, encompasses a range of cognitive and behavioral processes that allow individuals to adjust their internal states and outward actions to align with socially acceptable norms and long-term goals. It plays a fundamental role in adaptive functioning, from resisting impulsive behaviors to persisting through challenging tasks. While its benefits are widely recognized, self-regulation is not limitless. Muraven and Baumeister's theory posits that...
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The Effect of Anti-Fatigue Decoction on the Behaviors and Serological Indicators in a Central Fatigue Rat Model
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The Complex Interplay Between Trait Fatigue and Cognition in Multiple Sclerosis.

C Guillemin1,2, E Lommers1,3, G Delrue3

  • 1GIGA-CRC In Vivo Imaging, University of Liège, Liège, Belgium.

Psychologica Belgica
|April 13, 2022
PubMed
Summary
This summary is machine-generated.

Fatigue significantly impacts cognitive function in Multiple Sclerosis (MS) patients. Differentiating between physical and cognitive fatigue is crucial, as each affects distinct cognitive domains like working memory and executive functions.

Keywords:
AnxietyCognitionDepressionFatigueMultiple Sclerosis

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Area of Science:

  • Neuroscience
  • Clinical Psychology
  • Rehabilitation Medicine

Background:

  • Cognitive impairments are prevalent in Multiple Sclerosis (MS).
  • The specific impact of MS-related symptoms, particularly multidimensional fatigue and anxio-depressive symptoms, on cognitive status remains unclear.
  • Existing research presents conflicting results regarding fatigue's influence on cognition in MS.

Purpose of the Study:

  • To investigate the predictive role of multidimensional fatigue (physical and cognitive) and anxio-depressive symptoms on cognitive performance in MS patients.
  • To compare the relationship between fatigue, mood, and cognition in MS patients versus healthy controls.
  • To determine if fatigue predicts cognitive performance independently of disease progression (EDSS score) and mood symptoms.

Main Methods:

  • A comprehensive neuropsychological assessment was administered to 29 MS patients and 28 healthy controls.
  • Fatigue was assessed using the Multidimensional Fatigue Inventory (MFSI), and anxio-depressive symptoms via the HAD scale.
  • Stepwise regression analyses were used to identify predictors of cognitive performance across six domains (working memory, learning, executive functions, attention, processing speed), including EDSS scores.

Main Results:

  • In MS patients, physical fatigue predicted working memory, while cognitive fatigue predicted executive functioning and processing speed.
  • The Expanded Disability Status Scale (EDSS) score also predicted processing speed in MS patients.
  • Healthy controls showed an association only between executive functioning and depression; fatigue did not predict cognition in this group.

Conclusions:

  • Fatigue significantly predicts cognitive performance in Multiple Sclerosis patients, independent of mood symptoms and disease progression.
  • Treating fatigue as a multidimensional construct is essential, as physical and cognitive fatigue uniquely influence different cognitive domains.
  • These findings highlight the critical role of fatigue management in addressing cognitive deficits in MS.