Imitation and speech: commonalities within Broca's area

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Imitation and speech: commonalities within Broca's area. / Kühn, Simone; Brass, Marcel; Gallinat, Jürgen.

In: BRAIN STRUCT FUNCT, Vol. 218, No. 6, 01.11.2013, p. 1419-27.

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@article{886b668cebd34a0388f1c9e232083e45,
title = "Imitation and speech: commonalities within Broca's area",
abstract = "The so-called embodiment of communication has attracted considerable interest. Recently a growing number of studies have proposed a link between Broca's area's involvement in action processing and its involvement in speech. The present quantitative meta-analysis set out to test whether neuroimaging studies on imitation and overt speech show overlap within inferior frontal gyrus. By means of activation likelihood estimation (ALE), we investigated concurrence of brain regions activated by object-free hand imitation studies as well as overt speech studies including simple syllable and more complex word production. We found direct overlap between imitation and speech in bilateral pars opercularis (BA 44) within Broca's area. Subtraction analyses revealed no unique localization neither for speech nor for imitation. To verify the potential of ALE subtraction analysis to detect unique involvement within Broca's area, we contrasted the results of a meta-analysis on motor inhibition and imitation and found separable regions involved for imitation. This is the first meta-analysis to compare the neural correlates of imitation and overt speech. The results are in line with the proposed evolutionary roots of speech in imitation.",
keywords = "Frontal Lobe, Functional Neuroimaging, Hand, Humans, Imitative Behavior, Likelihood Functions, Models, Neurological, Speech",
author = "Simone K{\"u}hn and Marcel Brass and J{\"u}rgen Gallinat",
year = "2013",
month = nov,
day = "1",
doi = "10.1007/s00429-012-0467-5",
language = "English",
volume = "218",
pages = "1419--27",
journal = "BRAIN STRUCT FUNCT",
issn = "1863-2653",
publisher = "Springer",
number = "6",

}

RIS

TY - JOUR

T1 - Imitation and speech: commonalities within Broca's area

AU - Kühn, Simone

AU - Brass, Marcel

AU - Gallinat, Jürgen

PY - 2013/11/1

Y1 - 2013/11/1

N2 - The so-called embodiment of communication has attracted considerable interest. Recently a growing number of studies have proposed a link between Broca's area's involvement in action processing and its involvement in speech. The present quantitative meta-analysis set out to test whether neuroimaging studies on imitation and overt speech show overlap within inferior frontal gyrus. By means of activation likelihood estimation (ALE), we investigated concurrence of brain regions activated by object-free hand imitation studies as well as overt speech studies including simple syllable and more complex word production. We found direct overlap between imitation and speech in bilateral pars opercularis (BA 44) within Broca's area. Subtraction analyses revealed no unique localization neither for speech nor for imitation. To verify the potential of ALE subtraction analysis to detect unique involvement within Broca's area, we contrasted the results of a meta-analysis on motor inhibition and imitation and found separable regions involved for imitation. This is the first meta-analysis to compare the neural correlates of imitation and overt speech. The results are in line with the proposed evolutionary roots of speech in imitation.

AB - The so-called embodiment of communication has attracted considerable interest. Recently a growing number of studies have proposed a link between Broca's area's involvement in action processing and its involvement in speech. The present quantitative meta-analysis set out to test whether neuroimaging studies on imitation and overt speech show overlap within inferior frontal gyrus. By means of activation likelihood estimation (ALE), we investigated concurrence of brain regions activated by object-free hand imitation studies as well as overt speech studies including simple syllable and more complex word production. We found direct overlap between imitation and speech in bilateral pars opercularis (BA 44) within Broca's area. Subtraction analyses revealed no unique localization neither for speech nor for imitation. To verify the potential of ALE subtraction analysis to detect unique involvement within Broca's area, we contrasted the results of a meta-analysis on motor inhibition and imitation and found separable regions involved for imitation. This is the first meta-analysis to compare the neural correlates of imitation and overt speech. The results are in line with the proposed evolutionary roots of speech in imitation.

KW - Frontal Lobe

KW - Functional Neuroimaging

KW - Hand

KW - Humans

KW - Imitative Behavior

KW - Likelihood Functions

KW - Models, Neurological

KW - Speech

U2 - 10.1007/s00429-012-0467-5

DO - 10.1007/s00429-012-0467-5

M3 - SCORING: Journal article

C2 - 23124975

VL - 218

SP - 1419

EP - 1427

JO - BRAIN STRUCT FUNCT

JF - BRAIN STRUCT FUNCT

SN - 1863-2653

IS - 6

ER -