Related Experiment Video
Updated: May 31, 2026

03:37
Cerebral Ischemic Coma Model Induced by Modified Four-Vessel Occlusion
Published on: July 5, 2024
Regarding reality: some consequences of two incapacities
1Department of Psychology, Cornell University Ithaca, NY, USA.
Frontiers in Psychology
|July 1, 2011
Summary
Determining if you are dreaming is empirically impossible because dream states can alter reality tests. Therefore, the most rational approach is to accept your current reality as genuine.
Area of Science:
- Philosophy of Mind
- Epistemology
- Cognitive Science
Background:
- The question of distinguishing waking reality from dreams is a classic philosophical problem.
- Empirical tests for reality verification must be statistical in nature.
- Previous attempts to establish reality-testing criteria are vulnerable to manipulation within altered states.
Purpose of the Study:
- To explore the empirical means by which one can determine if they are awake or dreaming.
- To analyze the inherent limitations of reality testing in subjective experiences.
- To propose a rational approach to the problem of distinguishing reality.
Main Methods:
- Conceptual analysis of reality testing and its statistical requirements.
- Examination of the vulnerability of baseline data in dreams or simulations.
- Critique of cryptographic defenses against reality modification in altered states.
Main Results:
- Statistical reality tests are fundamentally untrustworthy due to potential data tampering in dreams.
- The unlimited scope of reality modification in dreams invalidates standard verification methods.
- Even profound insights, like Buddhist enlightenment, may be unreliable indicators of ultimate reality.
Conclusions:
- The rational course of action is to accept experienced reality at face value.
- Awareness of this predicament is necessary for its application, which may be absent in altered cognitive states.
- Subjective enlightenment does not guarantee an accurate understanding of existence.
Related Concept Videos
Deindividuation
Deindividuation is a form of social influence on an individual’s behavior such that the individual engages in unusual or non-normal behavior while in a group setting. Why? Because in these group settings, the individual no longer sees themselves as an individual anymore, disinhibiting their behavior and personal restraint.
Secondary Spinal Cord Injury llI: Pathophysiology
Early Ischemia and Ionic ImbalanceWithin minutes of spinal cord injury, a secondary cascade begins, progressing over hours to weeks. Vascular damage reduces blood flow, causing ischemia and mitochondrial dysfunction. ATP depletion leads to ion pump failure, membrane depolarization, sodium influx, potassium efflux, and water accumulation, resulting in cellular swelling. Increased intracellular calcium further disrupts mitochondria and accelerates cellular injury.Excitotoxicity and Neuronal...
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...
Hepatic Encephalopathy
DefinitionHepatic encephalopathy is a reversible neurologic syndrome that results from advanced liver dysfunction or portosystemic shunting. It leads to disturbances in cognition, behavior, and motor function due to the brain’s exposure to gut-derived toxins that the liver fails to detoxify.EtiologyThis condition develops either in the setting of acute fulminant hepatitis or progressively during chronic liver disease, such as cirrhosis and portal hypertension. Portosystemic shunting—including...
Cognitive Dissonance
Social psychologists have documented that feeling good about ourselves and maintaining positive self-esteem is a powerful motivator of human behavior (Tavris & Aronson, 2008). In the United States, members of the predominant culture typically think very highly of themselves and view themselves as good people who are above average on many desirable traits (Ehrlinger, Gilovich, & Ross, 2005). Often, our behavior, attitudes, and beliefs are affected when we experience a threat to our...
Amnesia
Amnesia is a condition marked by long-term memory loss, which impairs the ability to recall past events or create new memories.
The severity and duration of memory loss vary depending on the type and underlying cause. Amnesia is classified into two main types: retrograde and anterograde.
Retrograde amnesia is marked by the loss of memories formed before the onset of the condition. Patients may recall distant past events but often forget those occurring shortly before the incident.
Anterograde...
The severity and duration of memory loss vary depending on the type and underlying cause. Amnesia is classified into two main types: retrograde and anterograde.
Retrograde amnesia is marked by the loss of memories formed before the onset of the condition. Patients may recall distant past events but often forget those occurring shortly before the incident.
Anterograde...

