Cited by 1,284Neurobiology of Language and BilingualismReading and Literacy DevelopmentNeural dynamics and brain function

Words in the brain's language

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Pulvermüller, Friedemann·1999·Behavioral and Brain Sciences

Abstract

If the cortex is an associative memory, strongly connected cell assemblies will form when neurons in different cortical areas are frequently active at the same time. The cortical distributions of these assemblies must be a consequence of where in the cortex correlated neuronal activity occurred during learning. An assembly can be considered a functional unit exhibiting activity states such as full activation (“ignition”) after appropriate sensory stimulation (possibly related to perception) and continuous reverberation of excitation within the assembly (a putative memory process). This has implications for cortical topographies and activity dynamics of cell assemblies forming during language acquisition, in particular for those representing words. Cortical topographies of assemblies should be related to aspects of the meaning of the words they represent, and physiological signs of cell assembly ignition should be followed by possible indicators of reverberation. The following postulates are discussed in detail: (1) assemblies representing phonological word forms are strongly lateralized and distributed over perisylvian cortices; (2) assemblies representing highly abstract words such as grammatical function words are also strongly lateralized and restricted to these perisylvian regions; (3) assemblies representing concrete content words include additional neurons in both hemispheres; (4) assemblies representing words referring to visual stimuli include neurons in visual cortices; and (5) assemblies representing words referring to actions include neurons in motor cortices. Two main sources of evidence are used to evaluate these proposals: (a) imaging studies focusing on localizing word processing in the brain, based on stimulus-triggered event-related potentials (ERPs), positron emission tomography (PET), and functional magnetic resonance imaging (fMRI), and (b) studies of the temporal dynamics of fast activity changes in the brain, as revealed by high-frequency responses recorded in the electroencephalogram (EEG) and magnetoencephalogram (MEG). These data provide evidence for processing differences between words and matched meaningless pseudowords, and between word classes, such as concrete content and abstract function words, and words evoking visual or motor associations. There is evidence for early word class-specific spreading of neuronal activity and for equally specific high-frequency responses occurring later. These results support a neurobiological model of language in the Hebbian tradition. Competing large-scale neuronal theories of language are discussed in light of the data summarized. Neurobiological perspectives on the problem of serial order of words in syntactic strings are considered in closing.

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  • Recent studies have shown that the neural mechanisms of speech production and perception are connected and overlapping, even in motor areas.

    “recent studies have shown that the neural mechanisms of speech production and perception are connected and overlapping, even in motor areas68–71.”

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Authors
Pulvermüller, F.
Venue
Behavioral and Brain Sciences
Published
1999-04
Volume
22
Issue
2
Pages
253-279
ISSN
  • 0140-525X (ISSN-L)
  • 1469-1825
OpenAlex
W2099535060
Cited by
1,284
References
16
Citations by year
2026: 27 · 2025: 30 · 2024: 45 · 2023: 22 · 2022: 27 · 2021: 35 · 2020: 29 · 2019: 52 · 2018: 63 · 2017: 29 · 2016: 63 · 2015: 39 · 2014: 51 · 2013: 53 · 2012: 48
FWCI
20.08
Type
journal article
Language
en
Open access
Locations
  • Behavioral and Brain Sciences (publishedVersion)
  • PubMed (publishedVersion)
  • KOPS (University of Konstanz) (submittedVersion, cc-by-nc-nd)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neurobiology of Language and Bilingualism
  • Social Sciences › Psychology › Developmental and Educational Psychology › Reading and Literacy Development
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural dynamics and brain function
Keywords
word processing, associative memory, language acquisition, function words, hemispheric lateralization, perisylvian cortex, cortical topography, reverberation, Hebbian learning, visual word recognition, action words, high-frequency response, event-related potentials
MeSH terms
Association Learning, Brain Mapping, Cerebral Cortex, Cognition, Dominance, Cerebral, Electroencephalography, Evoked Potentials, Humans, Linguistics, Magnetic Resonance Imaging, Memory, Models, Neurological, Motor Cortex, Periaqueductal Gray, Tomography, Emission-Computed, Visual Cortex, Magnetoencephalography

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