J Evol Biol May 2012 PMID 22435703

Comparative analysis of encephalization in mammals reveals relaxed constraints on anthropoid primate and cetacean brain scaling.

A M Boddy, M R McGowen, C C Sherwood, L I Grossman, M Goodman, D E Wildman

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Mentions

14
Peak: 5 in Nov 2022
across 3 sources since Oct 2021

Extended reach

48,687
potential audience

Total likes

2,191

Video views

36,143

Mentions per month

Oct 2021 – May 2024

Where it's discussed

  • X / Twitter9 posts
  • YouTube3 videos
  • Blogs2 articles

AI synopsis

What people are saying

Most posts mention brain size in relation to behavior, such as question about whether larger brains lead to more violence, using casual language and media references that reveal limited depth. The tone indicates curiosity but not a detailed understanding or strong stance, reflecting modest interest and engagement in the research findings.

AgreementNeither agree nor disagree

The discussions briefly touch on the idea that brain size correlates with behavior or energy use, but do not strongly endorse or oppose the research conclusions.

InterestModerate interest

Participants show some curiosity, especially around questions of brain size and behavior, but overall engagement with the scientific details is limited.

EngagementModerate engagement

The posts reflect moderate involvement, with some sharing of videos and questions, indicating an initial interest but not deep analysis or critique.

ImpactNeutral impact

The discussions seem to have minimal influence on broader scientific or societal conversations, mostly sharing media rather than drawing conclusions.

Abstract in brief

  • The study analyzes the relationship between brain and body size in 630 mammal species, finding that anthropoid primates and toothed whales (cetaceans) show greater variability in brain size relative to body size, indicating relaxed evolutionary constraints.
  • These groups have experienced both increases and decreases in their encephalization quotient (EQ), suggesting that changes in brain size relative to body size have been influenced by both neutral genetic drift and natural selection.
  • Overall, the research highlights that brain scaling in mammals is not strictly constrained and has evolved differently across lineages, particularly in primates and cetaceans, leading to greater diversity in cognitive potential.

Top posts

Most liked on X and Bluesky
Paléonews
@PaleonewsFrance · X

Nouvelle vidéo: https://t.co/7vpvXp5lsV Est-ce que la taille du cerveau est corrélée à l'agressivité chez les mammifères ? Notre intelligence nous a t'elle rendu plus violent ? https://t.co/biWPowg6fr

Nov 9, 2022 · 17 likes · 3 shares · 4,594 followers View post →
Jackson Wheat
@JacksonWheat1 · X

"The Handyman's Tale": https://t.co/Hh7SmJZ1mn

Oct 28, 2021 · 4 likes · 3 shares · 2,839 followers View post →
Darius Nau
@darius_nau · X

@ausar_the I mean smaller brain→lower energy requirements might just have beaten the selective advantage of what a larger brain could have offered in their situation. Modern insectivores also seem to have below-average encaphalization quotients: https://t.co/VieFA4NHXR https://t.co/G9VVTeoWJJ

May 4, 2024 · 1 like · 274 followers View post →
John Smith⚛ (Explorer of Reality)
@doofgeek4011 · X

RT @JacksonWheat1: "The Handyman's Tale": https://t.co/Hh7SmJZ1mn

Nov 7, 2021 · 3 shares · 4,117 followers View post →
Vandalia1998
@Keyblade_Knight · X

RT @JacksonWheat1: "The Handyman's Tale": https://t.co/Hh7SmJZ1mn

Oct 29, 2021 · 3 shares · 397 followers View post →
Tdlane.bsky.social
@AJLane54 · X

RT @JacksonWheat1: "The Handyman's Tale": https://t.co/Hh7SmJZ1mn

Oct 29, 2021 · 3 shares · 220 followers View post →

All mentions

Darius Nau
@darius_nau · X

@ausar_the I mean smaller brain→lower energy requirements might just have beaten the selective advantage of what a larger brain could have offered in their situation. Modern insectivores also seem to have below-average encaphalization quotients: https://t.co/VieFA4NHXR https://t.co/G9VVTeoWJJ

May 4, 2024 · 1 like · 274 followers View post →
Franck
@Franck_de_sete · X

Gros cerveau et agressivité https://t.co/wwi1v18pPB via @YouTube

Nov 25, 2022 · 21 followers View post →
Ralph
@HLevret · X

RT @PaleonewsFrance: Nouvelle vidéo: https://t.co/7vpvXp5lsV Est-ce que la taille du cerveau est corrélée à l'agressivité chez les mammifè…

Nov 9, 2022 · 3 shares · 4 followers View post →
クロム! -
@BabalKabak · X

RT @PaleonewsFrance: Nouvelle vidéo: https://t.co/7vpvXp5lsV Est-ce que la taille du cerveau est corrélée à l'agressivité chez les mammifè…

Nov 9, 2022 · 3 shares · 37 followers View post →
Paléonews
@PaleonewsFrance · X

Nouvelle vidéo: https://t.co/7vpvXp5lsV Est-ce que la taille du cerveau est corrélée à l'agressivité chez les mammifères ? Notre intelligence nous a t'elle rendu plus violent ? https://t.co/biWPowg6fr

Nov 9, 2022 · 17 likes · 3 shares · 4,594 followers View post →
John Smith⚛ (Explorer of Reality)
@doofgeek4011 · X

RT @JacksonWheat1: "The Handyman's Tale": https://t.co/Hh7SmJZ1mn

Nov 7, 2021 · 3 shares · 4,117 followers View post →
Tdlane.bsky.social
@AJLane54 · X

RT @JacksonWheat1: "The Handyman's Tale": https://t.co/Hh7SmJZ1mn

Oct 29, 2021 · 3 shares · 220 followers View post →
Vandalia1998
@Keyblade_Knight · X

RT @JacksonWheat1: "The Handyman's Tale": https://t.co/Hh7SmJZ1mn

Oct 29, 2021 · 3 shares · 397 followers View post →
Jackson Wheat
@JacksonWheat1 · X

"The Handyman's Tale": https://t.co/Hh7SmJZ1mn

Oct 28, 2021 · 4 likes · 3 shares · 2,839 followers View post →