Related Experiment Video
Updated: Aug 13, 2026

07:37
Assessment and Communication for People with Disorders of Consciousness
Published on: August 1, 2017
The consciousness continuum: from "qualia" to "free will"
1UCSD Psychology, University of California, San Diego, La Jolla, 92093-0109, USA. gmandler@ucsd.edu
Psychological Research
|April 28, 2005
Summary
This study proposes a consciousness continuum, ranging from basic sensations to complex thoughts and actions. It
Area of Science:
- Cognitive Science
- Neuroscience
- Philosophy of Mind
Background:
- Current models of consciousness often lack a clear framework for diverse mental phenomena.
- Metaphysical concepts like qualia and free will remain ill-defined.
Purpose of the Study:
- To propose a unified framework for understanding consciousness.
- To define consciousness as a continuum based on intention and cognitive complexity.
- To offer a scientific alternative to vague philosophical concepts.
Main Methods:
- Conceptual analysis of consciousness phenomena.
- Defining a continuum based on two key factors: intention and cognitive complexity.
- Categorizing mental contents along this proposed continuum.
Main Results:
- Consciousness can be mapped onto a continuum from simple sensory input to complex volitional acts.
- The continuum is characterized by the presence/absence of intention and the degree of cognitive construction.
- This framework accommodates phenomena like spontaneous thoughts, unintended perceptions, and memory retrieval.
Conclusions:
- The proposed consciousness continuum offers a structured approach to studying subjective experience.
- It provides a scientific basis for understanding phenomena previously attributed to vague concepts.
- This framework facilitates empirical investigation into the nature of consciousness.
Related Concept Videos
Understanding Consciousness
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 physical...
Sleep, a crucial state, is characterized by reduced physical...
High-Level and Low-Level Awareness
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...
Altered States of Awareness
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 that...
The ingestion of substances like stimulants or hallucinogens leads to chemical alterations in the brain that...
Subconsciousness and No Awareness
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...
An illustrative example of subconscious processing is its role in problem-solving. Often, individuals...
Personal Identity
Personal identity is the deeply felt sense of self that individuals cultivate over time, intricately woven from intrinsic qualities they consider essential to their existence—qualities such as morality, intelligence, and friendliness. These attributes serve as vital internal benchmarks, guiding individuals in evaluating whether their actions resonate with their true selves.When personal identity takes center stage in one's life, individuals often emphasize their distinctiveness, highlighting...
Self-Awareness and Its Effects
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.

