The Causal Role of Left and Right Superior Temporal Gyri in Speech Perception in Noise: A Transcranial Magnetic Stimulation Study

Kennedy-Higgins, Dan; Devlin, Joseph T.; Nuttall, Helen E.; Adank, Patti

doi:10.1162/jocn_a_01521

Cited by 21 publications

(24 citation statements)

References 58 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…In addition, superior frontal and temporal regions are engaged in lip reading, although we did not find strong evidence for a modality preference of these regions. None of these comprehension-relevant regions was strictly lateralised, in line with the notion that speech comprehension is largely a bilateral process ( Kennedy-Higgins et al, 2020 ).…”

Section: Discussionsupporting

confidence: 75%

Shared and modality-specific brain regions that mediate auditory and visual word comprehension

Keitel

Groß

Kayser

2020

eLife

View full text Add to dashboard Cite

Visual speech carried by lip movements is an integral part of communication. Yet, it remains unclear in how far visual and acoustic speech comprehension are mediated by the same brain regions. Using multivariate classification of full-brain MEG data, we first probed where the brain represents acoustically and visually conveyed word identities. We then tested where these sensory-driven representations are predictive of participants' trial-wise comprehension. The comprehension-relevant representations of auditory and visual speech converged only in anterior angular and inferior frontal regions and were spatially dissociated from those representations that best reflected the sensory-driven word identity. These results provide a neural explanation for the behavioural dissociation of acoustic and visual speech comprehension and suggest that cerebral representations encoding word identities may be more modality-specific than often upheld.

show abstract

Section: Discussionsupporting

confidence: 75%

Shared and modality-specific brain regions that mediate auditory and visual word comprehension

Keitel

Groß

Kayser

2020

eLife

View full text Add to dashboard Cite

show abstract

“…right superior temporal regions were interrupted in healthy participants (Kennedy-Higgins et al 2020).…”

Section: Right Hemisphere Resultsmentioning

confidence: 96%

The Neuroanatomy of Speech Processing: A Large-Scale Lesion Study

Rogalsky

Basilakos

Rorden

et al. 2020

Preprint

View full text Add to dashboard Cite

The neural basis of language has been studied for centuries, yet the networks critically involved in simply identifying or understanding a spoken word remain elusive. Several functional-anatomical models of the critical neural substrates of receptive speech processes have been proposed, including auditory-related regions in the (1) left mid-posterior superior temporal lobe, (2) left anterior superior temporal lobe, or (3) bilateral in the mid-posterior superior temporal areas, and (4) motor-related regions in the left frontal lobe (in normal and/or noisy conditions). One difficulty in comparing these models is that they often focus on different aspects of the sound-to-meaning pathway and different types of stimuli and tasks. Two auditory tasks that are typically used in separate studies-nonword discrimination and word comprehension-often yield different conclusions. We assessed word/nonword discrimination and clear/noisy word comprehension in 160 individuals with focal brain damage: left (n=115) or right (n=19) hemisphere stroke, left (n=18) or right (n=8) anterior temporal lobectomy, and 26 neurologically-intact controls. Discrimination and comprehension doubly dissociated both behaviorally and neurologically. In support of a bilateral model, clear speech comprehension was near ceiling in 92% of left stroke cases, and right temporal damage was, for the first time, found to impair phoneme discrimination. Lesion-symptom mapping analyses for the word discrimination, non-word discrimination, and noisy word comprehension tasks each implicated most of the left superior temporal gyrus (STG) except the anterior most regions. Comprehension tasks also implicated the left pMTG, while discrimination tasks also implicated more dorsal sensorimotor regions in posterior perisylvian cortex. 1 0Control Subjects. Twenty-six adults (21 female, age range = 42-83, mean age = 59 years, years of education range = 12-16, mean education = 15 years) were recruited and tested at San Diego State University. All control subjects were native English speakers, right-handed, and selfreported no history of psychological or neurological disease.Informed consent was obtained from each patient prior to participation in the study, and all procedures were approved by the Institutional Review Boards

show abstract

“…At least one study (Boatman et al, 1998) (Wada & Rasmussen, 1960), and functional neuroimaging studies of speech perception routinely implicate right temporal structures in speech perception (Belin, Zatorre, Hoge, Evans, & Pike, 1999;Blumstein, Myers, & Rissman, 2005;Davis, Ford, Kherif, & Johnsrude, 2011;Giraud et al, 2004;Turkeltaub & Branch Coslett, 2010;Zatorre, Meyer, Gjedde, & Evans, 1996). More recently, a study by Kennedy-Higgins, Devlin, Nuttall, and Adank (2020) found that listeners' ability to repeat speech presented against background noise was impaired when they received TMS above either the left or right superior temporal gyrus, but not when stimulation was performed at a control site. Collectively, such findings suggest a non-negligible role for the right hemisphere in speech perception.…”

Section: How Might the Right Hemisphere Support Speech Perception?mentioning

confidence: 99%

The Role of the Right Hemisphere in Processing Phonetic Variability Between Talkers

Luthra

2021

Neurobiology of Language

View full text Add to dashboard Cite

Neurobiological models of speech perception posit that both left and right posterior temporal brain regions are involved in the early auditory analysis of speech sounds. However, frank deficits in speech perception are not readily observed in individuals with right hemisphere damage. Instead, damage to the right hemisphere is often associated with impairments in vocal identity processing. Herein lies an apparent paradox: The mapping between acoustics and speech sound categories can vary substantially across talkers, so why might right hemisphere damage selectively impair vocal identity processing without obvious effects on speech perception? In this review, I attempt to clarify the role of the right hemisphere in speech perception through a careful consideration of its role in processing vocal identity. I review evidence showing that right posterior superior temporal, right anterior superior temporal and right inferior / middle frontal regions all play distinct roles in vocal identity processing. In considering the implications of these findings for neurobiological accounts of speech perception, I argue that the recruitment of right posterior superior temporal cortex during speech perception may specifically reflect the process of conditioning phonetic identity on talker information. I suggest that the relative lack of involvement of other right hemisphere regions in speech perception may be because speech perception does not necessarily place a high burden on talker processing systems, and I argue that the extant literature hints at potential subclinical impairments in the speech perception abilities of individuals with right hemisphere damage.

show abstract

The Causal Role of Left and Right Superior Temporal Gyri in Speech Perception in Noise: A Transcranial Magnetic Stimulation Study

Cited by 21 publications

References 58 publications

Shared and modality-specific brain regions that mediate auditory and visual word comprehension

Shared and modality-specific brain regions that mediate auditory and visual word comprehension

The Neuroanatomy of Speech Processing: A Large-Scale Lesion Study

The Role of the Right Hemisphere in Processing Phonetic Variability Between Talkers

Contact Info

Product

Resources

About