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Related Concept Videos

Perception01:28

Perception

888
Perception is a fundamental psychological process that enables individuals to organize, interpret, and consciously experience sensory information. This process is crucial for understanding and interacting with the world around us. It includes both bottom-up and top-down processing, each playing a distinct role in how we perceive our environment.
Bottom-up processing begins at the sensory level, where receptors detect external environmental stimuli. These could include the tactile sensation of...
888
Lazarus's Cognitive Appraisal Theory01:20

Lazarus's Cognitive Appraisal Theory

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Cognitive psychologist Richard Lazarus proposed the cognitive-mediational theory of emotions, which emphasizes how individuals' assessments of stressors significantly affect their experience of stress. According to Lazarus, the stress response is determined by a two-step appraisal process: primary appraisal and secondary appraisal. These cognitive appraisals help individuals evaluate the potential impact of a stressor and determine the adequacy of their coping resources.
Primary Appraisal:...
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Problem Solving: Dimensional Analysis01:08

Problem Solving: Dimensional Analysis

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Every mathematical equation that connects separate distinct physical quantities must be dimensionally consistent, which implies it must abide by two rules. For this reason, the concept of dimension is crucial. The first rule is that an equation's expressions on either side of an equality must have the exact same dimension, i.e., quantities of the same dimension can be added or removed. The second rule stipulates that all popular mathematical functions, such as exponential, logarithmic, and...
5.7K
Factors Affecting Perception01:25

Factors Affecting Perception

2.5K
Perception is influenced by perceptual set, context, motivation, and emotion. Perceptual set, or perceptual expectancy, refers to the tendency to perceive things in a particular way, influenced by previous experiences and expectations. This phenomenon affects the interpretation of stimuli, creating a set of mental tendencies and assumptions that impact sensory perceptions of sound, taste, touch, and sight.
An illustrative example of a perceptual set is the scenario where an airline pilot told...
2.5K
Framing Effects03:26

Framing Effects

7.8K
Information is everywhere and its presentation—such as how and when items are presented—can impact our perceptions and decisions surrounding the info. This broad concept umbrellas framing effects—influences that occur due to the way information is framed in its appearance, whether it’s purely the order or the specific wording of a message. Let’s take a look at numerous ways in which two versions of something can objectively say the same thing, yet we respond in...
7.8K
The Availability Heuristic01:08

The Availability Heuristic

6.8K
A heuristic is a general problem-solving framework (Tversky & Kahneman, 1974). You can think of these as mental shortcuts that are used to solve problems. Different types of heuristics are used in different types of situations, and the impulse to use a heuristic occurs when one of five conditions is met (Pratkanis, 1989):
6.8K

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Related Experiment Video

Updated: Dec 22, 2025

Author Spotlight: Exploring the Link Between Time Perception of Visual Stimuli and Reading Skills
09:27

Author Spotlight: Exploring the Link Between Time Perception of Visual Stimuli and Reading Skills

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When time drags.

Chanda Prescod-Weinstein1

  • 1is an assistant professor of physics and astronomy, and a core faculty member in women's studies at the University of New Hampshire. Her research in theoretical physics focuses on cosmology, neutron stars and particles beyond the standard model.

New Scientist (1971)
|May 7, 2020
PubMed
Summary

The coronavirus pandemic can feel slow, but exploring cosmic timescales offers perspective and comfort. Understanding the vastness of the universe provides solace during challenging times.

Area of Science:

  • Cosmology
  • Astrophysics
  • Philosophy of Science

Background:

  • The COVID-19 pandemic has induced a subjective sense of time dilation and societal slowdown.
  • Existential reflections on time and human experience are common during global crises.

Purpose of the Study:

  • To explore the psychological benefits of contemplating cosmic timescales.
  • To offer a unique perspective on the human experience of time during the pandemic.

Main Methods:

  • Conceptual analysis of astronomical timescales.
  • Philosophical reflection on the human perception of time.
  • Integration of scientific concepts with personal narrative.

Main Results:

  • Observing vast cosmic timescales can reframe the perception of immediate, pandemic-induced temporal distortions.

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  • Contemplating the universe's age and scale can provide a sense of comfort and perspective.

    • Conclusions:

    • The study of cosmology and astrophysics offers a valuable tool for psychological well-being.
    • Understanding our place in the universe can mitigate feelings of isolation and temporal stagnation during crises.