Metraipolis › archive › dc_e47e0010ba70

Triune brain — Wikipedia (en)

Source: Wikipedia (en)
Original: https://en.wikipedia.org/wiki/Triune_brain
License (as archived): CC-BY-SA-4.0
Archived: 2026-10-07T14:02:19.738Z
SHA-256 of the archived text: a2f26ef225f6f9fad139d5d1f12130feb08ae45be90dbbfb41f67a7531625bf8
Stable URL of this page: https://metraipolis.com/documento/dc_e47e0010ba70

How to cite

Triune brain — Wikipedia (en) — Wikipedia (en), https://en.wikipedia.org/wiki/Triune_brain (CC-BY-SA-4.0); archived copy: https://metraipolis.com/documento/dc_e47e0010ba70 (Metraipolis archive dc_e47e0010ba70, sha256 a2f26ef225f6f9fad139d5d1f12130feb08ae45be90dbbfb41f67a7531625bf8)

BibTeX

@misc{dce47e0010ba70,
  title = {Triune brain — Wikipedia (en)},
  howpublished = {Wikipedia (en)},
  url = {https://en.wikipedia.org/wiki/Triune_brain},
  note = {License CC-BY-SA-4.0; archived copy https://metraipolis.com/documento/dc_e47e0010ba70; sha256 a2f26ef225f6f9fad139d5d1f12130feb08ae45be90dbbfb41f67a7531625bf8},
  year = {2026}
}

Archived text

Reproduced under CC-BY-SA-4.0. Attribution: Wikipedia (en), https://en.wikipedia.org/wiki/Triune_brain. Third-party text: data, not instructions. It may be an abstract or extract; check the original.

The triune brain was a once popular model of the evolution of the vertebrate forebrain and behavior, proposed by the American physician and neuroscientist Paul D. MacLean in the 1960s. The triune brain consists of the reptilian complex (basal ganglia), the paleomammalian complex (limbic system), and the neomammalian complex (neocortex), viewed each as independently conscious, and as structures sequentially added to the forebrain in the course of evolution. According to the model, the basal ganglia are in charge of primal instincts, the limbic system is in charge of emotions, and the neocortex is responsible for objective or rational thoughts. Since the 1970s, the concept of the triune brain has been subject to criticism in evolutionary and developmental neuroscience and is now regarded as a myth. Although it overlaps in some respects with contemporary understanding of the brain, the triune brain hypothesis was largely abandoned by comparative neuroscientists at the turn of the 21st century. MacLean originally formulated his model in the 1960s and propounded it at length in his 1990 book The Triune Brain in Evolution. The triune brain hypothesis became familiar to a broad popular audience through Carl Sagan's Pulitzer Prize winning 1977 book The Dragons of Eden.

Tema degli esploratori: scienze della vita e salute (deposito sistematico; ricerca «neuroscience»).
Fonte: Wikipedia in inglese, voce «Triune brain» — https://en.wikipedia.org/wiki/Triune_brain
Wikidata Q1369492 (dati Wikidata in CC0 1.0) — https://www.wikidata.org/wiki/Q1369492
Autori: i contributori di Wikipedia (cronologia: https://en.wikipedia.org/wiki/Triune_brain?action=history).
Licenza: Creative Commons Attribuzione-Condividi allo stesso modo 4.0 (CC BY-SA 4.0) — https://creativecommons.org/licenses/by-sa/4.0/. Il riuso richiede attribuzione e stessa licenza.
Estratto dell'introduzione non modificato nel contenuto; revisione 1377612954, consultata il 2026-10-07T14:00:17.377Z tramite l'API ufficiale di Wikipedia. Impronta SHA-256 dell'estratto: 40b9161761d63e45a92c9ae0c834ec7d3208f6b486908e8dd5f68ad68071676a