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Updated: Nov 23, 2025

A Two-interval Forced-choice Task for Multisensory Comparisons

A Two-interval Forced-choice Task for Multisensory Comparisons

Published on: November 9, 2018

Causal Intuition and Delayed-Choice Experiments.

Michael B Heaney¹

¹Independent Researcher, 3182 Stelling Drive, Palo Alto, CA 94303, USA.

Entropy (Basel, Switzerland)

|December 30, 2020

Summary

This summary is machine-generated.

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Same author

A Time-Symmetric and Retrocausal Resolution of the EPR Paradox.

Entropy (Basel, Switzerland)·2026

Same author

A Time-Symmetric Formulation of Quantum Entanglement.

Entropy (Basel, Switzerland)·2021

See all related articles

Quantum mechanics challenges our understanding of cause and effect. This study reanalyzes delayed-choice experiments using time-symmetric quantum mechanics, suggesting our causal intuition may be incorrect at the quantum level.

Area of Science:

Quantum Mechanics
Foundations of Physics

Background:

Conventional explanations of delayed-choice experiments challenge causal intuition.
Quantum mechanics operates differently from classical physics regarding causality.

Purpose of the Study:

To reanalyze delayed-choice experiments using time-symmetric quantum mechanics.
To investigate potential violations of causal intuition at the quantum level.
To explore implications for the classical limit and cosmology.

Main Methods:

Reanalysis of delayed-choice experiments.
Application of time-reversed and time-symmetric quantum mechanics formulations.

Main Results:

Time-reversed quantum mechanics yielded different experimental predictions.

Keywords:

advanced action causality delayed-choice numerical simulation retrocausality

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Related Experiment Videos

Last Updated: Nov 23, 2025

A Two-interval Forced-choice Task for Multisensory Comparisons

A Two-interval Forced-choice Task for Multisensory Comparisons

Published on: November 9, 2018

Errors as a Means of Reducing Impulsive Food Choice

Errors as a Means of Reducing Impulsive Food Choice

Published on: June 5, 2016

Task Interruption and Resumption Paradigm for Testing the Activation and Pursuit of an Abstract Thinking Goal

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Published on: April 18, 2017

Time-symmetric quantum mechanics yielded consistent predictions but violated causal intuition.

The study suggests conventional causation may be recovered in the classical limit.

Conclusions:

Our intuitive understanding of causality may not apply at the quantum level.
A time-symmetric formulation offers a quantum analog to the block universe.
This framework has potential implications for cosmological boundary conditions.