Cited by 149Genetics and Neurodevelopmental DisordersAnimal Vocal Communication and BehaviorLanguage and cultural evolution

FOXP2 and the role of cortico-basal ganglia circuits in speech and language evolution

Enard, Wolfgang·2011·Current Opinion in Neurobiology

Abstract

Purpose of the review A reduced dosage of the transcription factor FOXP2 leads to speech and language impairments probably owing to deficits in cortical and subcortical neural circuits. Based on evolutionary sequence analysis it has been proposed that the two amino acid substitutions that occurred on the human lineage have been positively selected. Here I review recent studies investigating the functional consequences of these two substitutions and discuss how these first endeavors to study human brain evolution can be interpreted in the context of speech and language evolution.Recent findings Mice carrying the two substitutions in their endogenous Foxp2 gene show specific alterations in dopamine levels, striatal synaptic plasticity and neuronal morphology. Mice carrying only one functional Foxp2, show additional and partly opposite effects suggesting that FOXP2 has contributed to tuning cortico-basal ganglia circuits during human evolution. Evidence from human and songbird studies suggest that this could have been relevant during language acquisition or vocal learning, respectively.Summary FOXP2 could have contributed to the evolution of human speech and language by adapting cortico-basal ganglia circuits. More generally the recent studies allow careful optimism that aspects of human brain evolution can be investigated in model systems such as the mouse.

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Crossref · 10.1016/j.conb.2011.04.008

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  • The basal ganglia contribute to diverse cognitive functions in memory, attention, planning, skill learning, and potentially to speech and language evolution.

    “In addition to their involvement in sensorimotor coordination, the basal ganglia also contribute to diverse cognitive functions in memory, attention, planning, skill learning [39], and potentially to speech and language evolution [40, 41].”

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Authors
Enard, W.
Affiliations
Max Planck Institute for Evolutionary Anthropology (DE)
Corresponding author
Enard, Wolfgang
Venue
Current Opinion in Neurobiology
Publisher
Elsevier BV
Published
2011-06
Volume
21
Issue
3
Pages
415-424
ISSN
0959-4388 (ISSN-L)
OpenAlex
W2047847592
Cited by
149
References
104
Citations by year
2026: 4 · 2025: 9 · 2024: 5 · 2023: 4 · 2022: 9 · 2021: 9 · 2020: 5 · 2019: 10 · 2018: 11 · 2017: 15 · 2016: 13 · 2015: 10 · 2014: 17 · 2013: 20 · 2012: 8
FWCI
1.51
Type
journal article
Language
en
Open access
closed
Locations
  • Current Opinion in Neurobiology (publishedVersion)
  • PubMed (publishedVersion)
  • Max Planck Institute for Plasma Physics (submittedVersion)
  • MPG.PuRe (Max Planck Society) (submittedVersion)
Funders
Max-Planck-Gesellschaft
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetics and Neurodevelopmental Disorders
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Developmental Biology › Animal Vocal Communication and Behavior
  • Social Sciences › Cultural Studies › Language and cultural evolution
Keywords
FOXP2, cortico-basal ganglia circuits, human brain evolution, dopamine, neuronal morphology, positive selection, vocal learning, songbird song, language acquisition
MeSH terms
Animals, Basal Ganglia, Cerebral Cortex, Humans, Language, Neural Pathways, Speech, Evolution, Molecular, Mice, Forkhead Transcription Factors

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