It is the individual awareness of your unique thoughts, memories, feelings, sensations, and environments.

Essentially, consciousness is your awareness of yourself and the world around you.

This awareness is subjective and unique to you.

Young woman contemplating waterfall

swissmediavision / Getty Images

Regardless of these debates, there is no doubt that your conscious experiences are constantly shifting and changing.

For example, you may be focused on reading this article in one moment.

Your consciousness may then shift to the memory of a conversation you had earlier with a co-worker.

Next, you might notice how uncomfortable your chair is, or maybe you are mentally planning dinner.

States of Consciousness

Consciousness doesn’t just have an “on” and “off” switch.

Instead, it comes in different stages and levels that can vary and shift throughout the day.

Higher states of consciousness are often associated with spiritual or mystical experiences.

They use scores on these assessments to guide diagnosis and treatment decisions.

What Are the 5 Levels of Consciousness?

What Are the Functions of Consciousness?

Consciousness has several biological and social purposes.

Consciousness is an essential state in philosophy, spirituality, and religion.

All of these requireself-awareness, which is impossible without consciousness.

Some of these changes occur naturally; others are the result of factors such as drugs or brain damage.

Changes to consciousness also can cause changes to perception, thinking, understanding, and interpretations of the world.

Talking to your doctor right away can ensure that you get immediate treatment before problems get worse.

Structuralistsused a process known asintrospectionto analyze and report conscious sensations, thoughts, and experiences.

Trained observers would carefully inspect the contents of their own minds.

This was a very subjective process, but it helped inspire further research on the scientific study of consciousness.

The American psychologistWilliam Jamescompared consciousness to a streamunbroken and continuous despite constant shifts and changes.

PsychoanalystSigmund Freudfocused on understanding the importance of the unconscious and conscious mind.

Today, consciousness is generally defined as an awareness of yourself and the world.

However, there are still debates about the different aspects of this awareness.

Research on consciousness has focused on understanding the neuroscience behind our conscious experiences.

Scientists have even utilized brain-scanning technology to seek out specificneuronsthat might be linked to different conscious events.

The quality of an organisms consciousness is represented by the level of integration.

This theory tends to focus on whether something is conscious and to what degree it is conscious.

Veauthier B, Hornecker JR, Thrasher T.Recent-onset altered mental status: Evaluation and management.afp.

2021;104(5):461-470.

Zeigler-Hill V, Shackelford TK.Encyclopedia of Personality and Individual Differences.

Springer International Publishing; 2020.

Liljenstrom H.Consciousness, decision making, and volition: freedom beyond chance and necessity.Theory Biosci.

2016;17(7):450-461. doi:10.1038/nrn.2016.44

Baars BJ.The global workspace theory of consciousness.

In S Schneider, M Velmans (Eds),The Blackwell Companion to Consciousness, Second Edition.

  1. doi:10.1002/9781119132363.ch16

Graziano MSA.The attention schema theory: A foundation for engineering artificial consciousness.Front Robot AI.