May 2005 PMID 15866152

Evolution of the brain and intelligence.

Gerhard Roth, Ursula Dicke

Mentions

57
Peak: 7 in Jun 2021
across 5 sources since Aug 2020

Extended reach

14,874
potential audience

Total likes

314

Video views

7,800

Mentions per month

Aug 2020 – Oct 2025

Where it's discussed

  • News30 articles
  • X / Twitter12 posts
  • Blogs11 articles
  • Bluesky2 posts
  • YouTube2 videos

AI synopsis

What people are saying

Discussions reference foundational research such as Jerison's 1973 work and recent studies like Marhounová et al. 2019, with some users expressing curiosity about topics like cephalopod brain evolution and the reasons behind large brain sizes, while others question terminology and suggest additional sources, reflecting moderate engagement driven by curiosity but limited deep analysis.

AgreementNeither agree nor disagree

The discussions show a mix of agreement and ambivalence, with some referencing classic works and recent studies, but no strong consensus emerges.

InterestModerate interest

The posts indicate moderate interest, especially with references to intriguing topics like cephalopods and the evolutionary reasons for large brains.

EngagementModerate engagement

There is some engagement, as users discuss specific research findings, question terminology like DOI, and connect ideas about brain size and intelligence.

ImpactModerate impact

The talks suggest that the publication spurs curiosity and discussion about brain evolution and intelligence, though it does not seem to spark revolutionary ideas or debates.

Abstract in brief

  • The evolution of intelligence has independently occurred in various vertebrate groups like primates, elephants, and cetaceans, with humans having more complex brains, especially in the cortex and prefrontal regions.
  • Key brain features linked to intelligence include the number of cortical neurons and conduction velocity, which influence information processing, with humans having slightly more cortical neurons than other mammals.
  • The high intelligence of humans likely arises from combining and enhancing traits seen in nonhuman primates, such as theory of mind, imitation, and language, rather than from entirely unique brain features.]

Top posts

Most liked on X and Bluesky
Miles Wischnewski - Psyched!
@MilesWischnews1 · X

Humans have a big brain. But why? In our latest video we talk about how the brain evolved to be big and if this relates to intelligence! #neuroscience #Intelligence #Evolution https://t.co/v4Je8gQdcf

Jun 17, 2021 · 9 likes · 5 shares · 1,252 followers View post →
Zach Cofran
@dizachster.bsky.social · Bluesky

In ANTH 323 yesterday students led a great discussion about evolution of the brain and intelligence in cephalopods, a fascinating contrast with humans

Mar 26, 2025 · 2 likes View post →
ビタ一文
@Q1vita · X

@nucleasetatataa ごめん今気づいた! 哺乳類一般だと、古いレビュー論文でよければRoth & Dicke (2005)とかあるよ(https://t.co/p0PLyJZh1N)。これ以降のはちょっと追ってないね……。

Jan 3, 2023 · 1 like · 93 followers View post →
Gustavo Guillén
@gustavoguillenh · X

Nuestro cerebro se está encogiendo y es por esto https://t.co/JDJQWRpLp4 a través de @YouTube

Aug 2, 2020 · 1 like · 33 followers View post →
Brain Evolution News
@BrainEvolutionN · X

RT @MilesWischnews1: Humans have a big brain. But why? In our latest video we talk about how the brain evolved to be big and if this relate…

Jun 17, 2021 · 5 shares · 1,659 followers View post →
Miles Wischnewski - Psyched!
@MilesWischnews1 · X

RT @MilesWischnews1: Humans have a big brain. But why? In our latest video we talk about how the brain evolved to be big and if this relate…

Jun 18, 2021 · 5 shares · 1,252 followers View post →

All mentions

Ana Martínez Gómez
@BrainByAna · X

1. Jerison 1973, Evolution of the Brain and Intelligence, Academic Press 2. Marhounová et al. 2019, Evolution, doi:10.1111/evo.13805 3. Herculano-Houzel et al. 2007, PNAS, doi:10.1073/pnas.0611396104 4. Herculano-Houzel et al. 2014, Front Neuroanat, doi:10.3389/fnana.2014.00077

Oct 2, 2025 · 12 followers View post →
Ana Martínez Gómez
@brainbyana.bsky.social · Bluesky

Bibliography: 1. Jerison 1973, Evolution of the Brain and Intelligence, Academic Press 2. Marhounová et al. 2019, Evolution, doi:10.1111/evo.13805 3. Herculano-Houzel et al. 2007, PNAS, doi:10.1073/pnas.0611396104 4. Herculano-Houzel et al. 2014, Front Neuroanat, doi:10.3389/fnana.2014.00077

Oct 2, 2025 · 2 shares View post →
Zach Cofran
@dizachster.bsky.social · Bluesky

In ANTH 323 yesterday students led a great discussion about evolution of the brain and intelligence in cephalopods, a fascinating contrast with humans

Mar 26, 2025 · 2 likes View post →
ビタ一文
@Q1vita · X

@nucleasetatataa ごめん今気づいた! 哺乳類一般だと、古いレビュー論文でよければRoth & Dicke (2005)とかあるよ(https://t.co/p0PLyJZh1N)。これ以降のはちょっと追ってないね……。

Jan 3, 2023 · 1 like · 93 followers View post →
Nicolas Colin
@LeChat84 · X

@Sandra_Congress Dites-le avec des DOI ! https://t.co/f0rCB2zFTd

Sep 29, 2022 · 780 followers View post →
Nicolas Colin
@LeChat84 · X

@MorissaSchwartz A DOI maybe ? https://t.co/f0rCB2zFTd

Sep 29, 2022 · 780 followers View post →
Miles Wischnewski - Psyched!
@MilesWischnews1 · X

RT @MilesWischnews1: Humans have a big brain. But why? In our latest video we talk about how the brain evolved to be big and if this relate…

Jun 18, 2021 · 5 shares · 1,252 followers View post →
Inna Vorobey
@inna_vorobey · X

RT @MilesWischnews1: Humans have a big brain. But why? In our latest video we talk about how the brain evolved to be big and if this relate…

Jun 18, 2021 · 5 shares · 143 followers View post →
Max Farnworth
@max_farnworth · X

RT @MilesWischnews1: Humans have a big brain. But why? In our latest video we talk about how the brain evolved to be big and if this relate…

Jun 17, 2021 · 5 shares · 584 followers View post →
JB Johnston Club
@JBJohnstonClub · X

RT @MilesWischnews1: Humans have a big brain. But why? In our latest video we talk about how the brain evolved to be big and if this relate…

Jun 17, 2021 · 5 shares · 335 followers View post →
Brain Evolution News
@BrainEvolutionN · X

RT @MilesWischnews1: Humans have a big brain. But why? In our latest video we talk about how the brain evolved to be big and if this relate…

Jun 17, 2021 · 5 shares · 1,659 followers View post →
Miles Wischnewski - Psyched!
@MilesWischnews1 · X

Humans have a big brain. But why? In our latest video we talk about how the brain evolved to be big and if this relates to intelligence! #neuroscience #Intelligence #Evolution https://t.co/v4Je8gQdcf

Jun 17, 2021 · 9 likes · 5 shares · 1,252 followers View post →
n_ataie
@n_ataie · X

Evolution of the brain and intelligence https://t.co/rV4hGyobHL Most of what the brain does is run the body. The Encephalization quotient (EQ) is a measure of the ratio between observed to predicted brain mass for an animal (given size); large EQs may predict intelligence. https://t.co/2LzV4N6Y0m

Feb 28, 2021 · 88 followers View post →
Gustavo Guillén
@gustavoguillenh · X

Nuestro cerebro se está encogiendo y es por esto https://t.co/JDJQWRpLp4 a través de @YouTube

Aug 2, 2020 · 1 like · 33 followers View post →