Discrimination of emotional prosodies in human neonates: A pilot fNIRS study

Zhang, Dandan; Zhou, Yu; Hou, Xinlin; Cui, Yun; Zhou, Chuan

doi:10.1016/j.neulet.2017.08.047

Cited by 35 publications

(41 citation statements)

References 42 publications

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“…Nineteen studies used speech as an auditory stimulus, with seventeen studies reporting a positive change in Δ[HbO 2 ] (Saito et al, 2007a , b ; Gervain et al, 2008 , 2012 ; Arimitsu et al, 2011 ; Benavides-Varela et al, 2011 ; May et al, 2011 , 2018 ; Sato et al, 2012 ; Naoi et al, 2013 ; Carlier-Torres et al, 2014 ; Cristia et al, 2014 ; Bouchon et al, 2015 ; Vannasing et al, 2016 ; Issard and Gervain, 2017 ; Zhang et al, 2017 ). One study reported a varied Δ[HbO 2 ] (Kotilahti et al, 2010 ) and one study did not report Δ[HbO 2 ] but instead presented a positive Δ[HbT] response (Peña et al, 2003 ).…”

Section: Resultsmentioning

confidence: 99%

“…A negative or no change in Δ[HHb] was observed in five studies (Kotilahti et al, 2010 ; Gervain et al, 2012 ; Sato et al, 2012 ; Carlier-Torres et al, 2014 ; Arimitsu et al, 2018 ). It is noted that some studies did not explicitly state the direction of Δ[HbO 2 ] but instead discussed “activation” (Gervain et al, 2008 , 2016 ; Cristia et al, 2014 ; Bouchon et al, 2015 ; Zhang et al, 2017 ; May et al, 2018 ); in these cases, the graphs were visually inspected and a positive HbO 2 response identified as indicative of activation.…”

Section: Resultsmentioning

confidence: 99%

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Investigation of the Pattern of the Hemodynamic Response as Measured by Functional Near-Infrared Spectroscopy (fNIRS) Studies in Newborns, Less Than a Month Old: A Systematic Review

Roever

Bale

Mitra

et al. 2018

Front. Hum. Neurosci.

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It has been 20 years since functional near-infrared spectroscopy (fNIRS) was first used to investigate the evoked hemodynamic response to a stimulus in newborns. The hemodynamic response to functional activation is well-established in adults, with an observed increase in concentration change of oxygenated hemoglobin (Δ[HbO2]) and decrease in deoxygenated hemoglobin (Δ[HHb]). However, functional studies in newborns have revealed a mixed response, particularly with Δ[HHb] where an inconsistent change in direction is observed. The reason for this heterogeneity is unknown, with potential explanations arising from differing physiology in the developing brain, or differences in instrumentation or methodology. The aim of this review is to collate the findings from studies that have employed fNIRS to monitor cerebral hemodynamics in term newborn infants aged 1 day−1 month. A total of 46 eligible studies were identified; some studies investigated more than one stimulus type, resulting in a total of 51 reported results. The NIRS parameters reported varied across studies with 50/51 cases reporting Δ[HbO2], 39/51 reporting Δ[HHb], and 13/51 reporting total hemoglobin concentration Δ[HbT] (Δ[HbO2] + Δ[HHb]). However, of the 39 cases reporting Δ[HHb] in graphs or tables, only 24 studies explicitly discussed the response (i.e., direction of change) of this variable. In the studies where the fNIRS responses were discussed, 46/51 cases observed an increase in Δ[HbO2], 7/51 observed an increase or varied Δ[HHb], and 2/51 reported a varied or negative Δ[HbT]. An increase in Δ[HbO2] and decrease or no change in Δ[HHb] was observed in 15 studies. By reviewing this body of literature, we have identified that the majority of research articles reported an increase in Δ[HbO2] across various functional tasks and did not report the response of Δ[HHb]. Confirming the normal, healthy hemodynamic response in newborns will allow identification of unhealthy patterns and their association to normal neurodevelopment.

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Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Investigation of the Pattern of the Hemodynamic Response as Measured by Functional Near-Infrared Spectroscopy (fNIRS) Studies in Newborns, Less Than a Month Old: A Systematic Review

Roever

Bale

Mitra

et al. 2018

Front. Hum. Neurosci.

View full text Add to dashboard Cite

show abstract

“…Zhang et al reported right temporal cortex (mainly the middle temporal gyrus and superior temporal gyrus) activation in response to emotional, relative to neutral, prosody in neonates as early as 2–8 days after birth. Furthermore, the researchers observed a right parietal area (approximately located in the supramarginal gyrus) that showed a heightened sensitivity to fearful, relative to happy and neutral, prosody …”

Section: Overview Of Nirs Studies On Emotional Processing In Childrenmentioning

confidence: 99%

“…Furthermore, the researchers observed a right parietal area (approximately located in the supramarginal gyrus) that showed a heightened sensitivity to fearful, relative to happy and neutral, prosody. 39 Native language is usually the predominant way in which caregivers communicate with infants. Sato et al reported left temporal-parietal activation in response to forward maternal language in contrast to backward maternal language or forward speech in a foreign language.…”

Section: Emotionally Relevant Auditory Stimulimentioning

confidence: 99%

Emotional Processing in the First 2 Years of Life: A Review of Near‐Infrared Spectroscopy Studies

Maria

Shekhar

Nissilä

et al. 2018

Journal of Neuroimaging

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Emotional stimuli processing during childhood helps us to detect salient cues in our environment and prepares us for our social life. In early childhood, the emotional valences of auditory and visual input are salient and relevant cues of social aspects of the environment, and it is of special interest to understand how exactly the processing of emotional stimuli develops. Near‐infrared spectroscopy (NIRS) is a noninvasive neuroimaging tool that has proven valuable in studying emotional processing in children. After conducting a systematic search of PubMed, Web of Science, and Embase databases, we examined 50 NIRS studies performed to study emotional stimuli processing in children in the first 2 years of age. We found that the majority of these studies are done in infants and the most commonly used stimuli are visual and auditory. Many of the reviewed studies suggest the involvement of bilateral temporal areas in emotional processing of visual and auditory stimuli. It is unclear which neural activation patterns reflect maturation and at what age the emotional encoding reaches those typically seen in adults. Our review provides an overview of the database on emotional processing in children up to 2 years of age. Furthermore, it demonstrates the need to include the less‐studied age range of 1 to 2 years, and suggests the use of combined audio‐visual stimuli and longitudinal studies for future research on emotional processing in children. Thus, NIRS might be a vital tool to study the associations between the early pattern of neural responses and socioemotional development later in life.

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“…However, neither of the infant fNIRS studies on vocal emotion processing to date employed non-speech vocalisations at a time when infants are pre-verbal. One study in sleeping neonates found differentiated neural responses in the temporal cortex to fearful, angry, happy speech compared to neutral speech [37]. A study of 7-month-old awake infants similarly suggest that angry and happy speech evoked stronger frontal and temporal activations compared to neutral speech [27].…”

Section: Introductionmentioning

confidence: 99%

Is infant neural sensitivity to vocal emotion associated with mother-infant relational experience?

et al. 2019

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An early understanding of others’ vocal emotions provides infants with a distinct advantage for eliciting appropriate care from caregivers and for navigating their social world. Consistent with this notion, an emerging literature suggests that a temporal cortical response to the prosody of emotional speech is observable in the first year of life. Furthermore, neural specialisation to vocal emotion in infancy may vary according to early experience. Neural sensitivity to emotional non-speech vocalisations was investigated in 29 six-month-old infants using near-infrared spectroscopy (fNIRS). Both angry and happy vocalisations evoked increased activation in the temporal cortices (relative to neutral and angry vocalisations respectively), and the strength of the angry minus neutral effect was positively associated with the degree of directiveness in the mothers’ play interactions with their infant. This first fNIRS study of infant vocal emotion processing implicates bilateral temporal mechanisms similar to those found in adults and suggests that infants who experience more directive caregiving or social play may more strongly or preferentially process vocal anger by six months of age.

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Discrimination of emotional prosodies in human neonates: A pilot fNIRS study

Cited by 35 publications

References 42 publications

Investigation of the Pattern of the Hemodynamic Response as Measured by Functional Near-Infrared Spectroscopy (fNIRS) Studies in Newborns, Less Than a Month Old: A Systematic Review

Investigation of the Pattern of the Hemodynamic Response as Measured by Functional Near-Infrared Spectroscopy (fNIRS) Studies in Newborns, Less Than a Month Old: A Systematic Review

Emotional Processing in the First 2 Years of Life: A Review of Near‐Infrared Spectroscopy Studies

Is infant neural sensitivity to vocal emotion associated with mother-infant relational experience?

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