Related Experiment Video
Updated: Aug 23, 2025

A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference
Published on: September 5, 2019
Distinctly Entangled
1University of California, Merced.
Neuroscience should view the brain as an interactionally complex system, not reducible to its parts. This perspective supports understanding brain function holistically, challenging purely analytical approaches.
Area of Science:
- Neuroscience
- Systems Neuroscience
- Philosophy of Mind
Background:
- Traditional neuroscience often employs reductionist methods, analyzing brain components in isolation.
- Understanding complex brain functions requires novel theoretical frameworks.
- The concept of interactionally complex systems offers an alternative to reductionism.
Purpose of the Study:
- To evaluate the merits of viewing the brain as an interactionally complex system, as proposed by Pessoa.
- To support the overarching framework while critically examining specific assertions.
- To advance the theoretical underpinnings of systems neuroscience.
Main Methods:
- Conceptual analysis of Pessoa's "interactionally complex system" hypothesis.
- Philosophical argumentation to support and critique specific claims.
- Literature review of relevant neuroscience and systems theory.
Main Results:
- Pessoa's interactionally complex system approach provides a valuable lens for understanding brain function.
- Certain specific claims within Pessoa's framework warrant further scrutiny and may require revision.
- The proposed approach offers a compelling alternative to purely reductionist neuroscience.
Conclusions:
- The brain is best understood as an interactionally complex system, emphasizing emergent properties and interconnectedness.
- While supporting the general paradigm, specific claims need refinement for empirical and theoretical coherence.
- This perspective encourages a shift towards holistic and systems-level investigations in neuroscience.
Related Concept Videos
Spin–Spin Coupling: Two-Bond Coupling (Geminal Coupling)
The central atom need not be NMR-active because its electrons are affected by the electron polarization of the spin-active atoms. However, spin information is transmitted less effectively than in one-bond coupling, and 2J values are usually weaker than 1J values. The energy of...
Attachment of Sister Chromatids
¹H NMR Signal Multiplicity: Splitting Patterns
¹H NMR: Long-Range Coupling
In alkenes, spin information is communicated via σ–π overlap, as seen in allylic (four-bond) and homoallylic (five-bond) couplings. These coupling interactions are stronger when the σ bond is parallel to the alkene...
Insensitive Nuclei Enhanced by Polarization Transfer (INEPT)
Spin–Spin Coupling: Three-Bond Coupling (Vicinal Coupling)
The extent of coupling depends on the C‑C bond length, the two H‑C‑C angles, any electron-withdrawing substituents, and the dihedral angle between the...

