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Related Concept Videos

Understanding Consciousness01:23

Understanding Consciousness

516
Consciousness can be defined as the state of being aware of and able to think about one's existence, sensations, and surroundings. It encompasses two major components: awareness and arousal. Awareness pertains to the recognition of environmental stimuli and internal states. At the same time, arousal refers to the physiological readiness to engage with these stimuli, which varies significantly between states like sleep and wakefulness.
Sleep, a crucial state, is characterized by reduced...
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High-Level and Low-Level Awareness01:19

High-Level and Low-Level Awareness

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Controlled processes in human consciousness represent high-alert mental states where individuals deliberately focus their attention on achieving specific goals. Controlled processes can be seen in situations like mastering new technology, where a person might become so absorbed that they ignore surrounding distractions. Such processes involve selective attention, requiring one to concentrate on particular elements of experience while disregarding others. These are governed by executive...
412
Subconsciousness and No Awareness01:15

Subconsciousness and No Awareness

391
The concept of subconscious awareness refers to the processing of information below the level of conscious thought, which significantly influences both behaviors and decisions. It is also known as waking subconscious awareness. This complex level of cognition operates without the direct awareness of the individual, facilitating rapid and simultaneous handling of multiple information streams.
An illustrative example of subconscious processing is its role in problem-solving. Often, individuals...
391
Altered States of Awareness01:06

Altered States of Awareness

574
Altered states of consciousness represent significant deviations from one's normal mental state. These deviations can range from subtle changes in awareness to profound transformations in perception, thought processes, and sensory experiences. Altered states of consciousness can be triggered by various factors, including drug use, meditation, hypnosis, illness, or even intense fatigue.
The ingestion of substances like stimulants or hallucinogens leads to chemical alterations in the brain...
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Self-Awareness and Its Effects01:21

Self-Awareness and Its Effects

22
Self-awareness is a psychological state in which the individual becomes the focal point of their attention. This inward focus transforms the self into an object of contemplation and assessment, influencing how individuals perceive their actions and their alignment with personal and societal standards.Triggers and Contexts for Self-AwarenessSelf-awareness can be activated by external stimuli that make individuals visually or audibly aware of themselves, such as mirrors, cameras, or recordings.
22
Lucid Dreaming01:10

Lucid Dreaming

236
Lucid dreaming is a unique state of consciousness where an individual realizes they are dreaming while still in the dream. This awareness allows them to manipulate their dream environment consciously. Researchers like Stephen LaBerge have significantly contributed to the understanding of lucid dreams, highlighting that during these dreams, certain areas of the brain, such as the prefrontal cortex, that involve self-awareness and thought evaluation show increased activity.
Studies have shown...
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Related Experiment Video

Updated: Oct 4, 2025

Assessment and Communication for People with Disorders of Consciousness
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Consciousness explained or described?

Aaron Schurger, Michael Graziano

    Neuroscience of Consciousness
    |February 11, 2022
    PubMed
    Summary
    This summary is machine-generated.

    Consciousness research often focuses on neural correlates of consciousness (NCCs), which describe brain activity but do not explain subjective experience. Attention schema theory, however, offers a potential explanatory framework for consciousness.

    Keywords:
    GNWTHOTTIITattention schema theorylawtheory

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    Area of Science:

    • Cognitive Neuroscience
    • Philosophy of Mind
    • Neuroscience

    Background:

    • Studying consciousness presents a challenge due to its subjective nature, contrasting with science's objective methods.
    • The search for neural correlates of consciousness (NCCs) emerged as a workaround, focusing on brain activity associated with conscious experience.

    Purpose of the Study:

    • To challenge the notion that current accounts of consciousness are true theories.
    • To argue that most modern accounts function as descriptive laws rather than explanatory theories.
    • To propose that attention schema theory may qualify as an explanatory theory of consciousness.

    Main Methods:

    • Analysis of modern accounts of consciousness.
    • Distinguishing between descriptive laws and explanatory theories.
    • Evaluating attention schema theory against explanatory criteria.

    Main Results:

    • Current accounts of consciousness primarily describe neural correlates without providing explanations.
    • These accounts function more like 'laws of consciousness,' similar to Newton's description of gravity.
    • Attention schema theory is presented as an exception, potentially offering an explanatory framework.

    Conclusions:

    • Most contemporary models of consciousness are descriptive laws, not comprehensive theories.
    • Attention schema theory represents a step towards a genuine explanatory theory of consciousness.
    • Further research is needed to validate attention schema theory's explanatory power.