Frontal cerebral blood flow change associated with infant-directed speech

Saito, Yasufumi; Aoyama, Shiori; Kondo, Toshiyuki; Fukumoto, Rie; Konishi, Naomi; Nakamura, Katsuki; Kobayashi, Masao; Toshima, Tamotsu

doi:10.1136/adc.2006.097949

Cited by 102 publications

(86 citation statements)

References 15 publications

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“…Similarly, short direct projections between anterior temporal lobe and PFC that support auditory processing and speech perception (Romanski & Goldman-Rakic, 2002; Scott & Johnsrude, 2003) may also specialize relatively early to support language development. This prediction aligns with evidence showing increased PFC activation in infants when hearing infant-directed but not adult-directed speech (Saito et al, 2007), forward but not backward speech (Dehaene-Lambertz et al, 2002), and when organizing words by hierarchical contexts (Werchan et al, 2016). Other areas within the frontal lobe, such as the premotor area, may begin to specialize for control over more complex motor actions soon thereafter.…”

Section: Constraints On Adaptation and Niche Construction Via Anatomisupporting

confidence: 86%

A novel ecological account of prefrontal cortex functional development.

Werchan

Amso

2017

Psychological Review

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In this paper, we argue that prefrontal cortex ontogenetic functional development is best understood through an ecological lens. We first begin by reviewing evidence supporting the existing consensus that PFC structural and functional development is protracted based on maturational constraints. We then examine recent findings from neuroimaging studies in infants, early life stress research, and connectomics that support the novel hypothesis that PFC functional development is driven by reciprocal processes of neural adaptation and niche construction. We discuss implications and predictions of this model for redefining the construct of executive functions and for informing typical and atypical child development. This ecological account of PFC functional development moves beyond descriptions of development that are characteristic of existing frameworks, and provides novel insights into the mechanisms of developmental change, including its catalysts and influences.

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Section: Constraints On Adaptation and Niche Construction Via Anatomisupporting

confidence: 86%

A novel ecological account of prefrontal cortex functional development.

Werchan

Amso

2017

Psychological Review

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“…In response to music, newborns' frontal lobe showed activation with increased [HbO 2 ] (Sakatani et al, 1999;Chen et al, 2002). Saito et al (2007a) found a larger increase in [HbO 2 ] in the frontal area in response to infant-directed speech than to adultdirected speech. Infant-directed speech tends to have richer prosodic expressions with exaggerated pitch contours, which is presumed to facilitate infants' speech acquisition.…”

Section: Frontal Activation In Response To Speechmentioning

confidence: 96%

Optical imaging of infants' neurocognitive development: Recent advances and perspectives

Minagawa‐Kawai

Mori

Hebden

et al. 2008

Developmental Neurobiology

112

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Near-infrared spectroscopy (NIRS) provides a unique method of monitoring infant brain function by measuring the changes in the concentrations of oxygenated and deoxygenated hemoglobin. During the past 10 years, NIRS measurement of the developing brain has rapidly expanded. In this article, a brief discussion of the general principles of NIRS, including its technical advantages and limitations, is followed by a detailed review of the role played so far by NIRS in the study of infant perception and cognition, including language, and visual and auditory functions. Results have highlighted, in particular, the developmental changes of cerebral asymmetry associated with speech acquisition. Finally, suggestions for future studies of neurocognitive development using NIRS are presented. Although NIRS studies of the infant brain have yet to fulfill their potential, a review of the work done so far indicates that NIRS is likely to provide many unique insights in the field of developmental neuroscience.

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“…Under normal conditions, oxygenation of the brain is determined by neuronal metabolic requirements and changes in neuronal activity are met by changes in perfusion [26][27][28][29] . At the same time, relative hypoxemia would be compensated by a hyperemic response and hyperoxia would be counteracted by arteriolar vasoconstriction, thus enabling a stable oxygen extraction [30][31][32] .…”

Section: Discussionmentioning

confidence: 99%

Cerebral Oxygenation and Oxygen Extraction in the Preterm Infant during Desaturation: Effects of Increasing FiO<sub>2</sub> to Assist Recovery

Baerts

Lemmers

Bel³

2010

Neonatology

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Background: In the clinical setting, episodes of desaturation in newborn infants are often treated by increasing the fraction of inspired oxygen (FiO₂). Objectives: To study the effect of an increase in FiO₂ on cerebral oxygenation during recovery from desaturation, as measured by near-infrared spectroscopy (NIRS). Methods: Peripheral arterial saturation (SaO₂), NIRS-monitored cerebral saturation (rScO₂), and fractional cerebral oxygen extraction (cFTOE) were analyzed in the first 3 days of life during 6 episodes of desaturation (SaO₂ <75%, >30 s) in each of 24 otherwise stable spontaneously breathing preterm infants (gestational age 29.8 ± 1.5 weeks, birth weight 1,215 ± 280 g; mean ± SD), during 3 episodes without and 3 episodes with increased FiO₂ during recovery from desaturation. Results: Post-recovery SaO₂ with increased FiO₂ was significantly higher than post-recovery SaO₂ without increased FiO₂. Post-recovery SaO₂ and rScO₂ were significantly increased over baseline saturations when FiO₂ was increased. Post-recovery rScO₂ was very high for several minutes in some cases, while cFTOE was highly suggestive of oxygen delivery that exceeded consumption. Conclusions: Assuming that NIRS-measured rScO₂ is an indicator of cerebral oxygen content, an increase in FiO₂ to assist recovery from desaturation may cause hyperoxygenation of the brain in relatively stable preterm infants. This procedure may be particularly harmful in the sick very preterm infant with limited regulation of brain circulation and poorly developed antioxidant defenses.

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Frontal cerebral blood flow change associated with infant-directed speech

Abstract: IDS significantly increased brain function compared with ADS. These results suggest that the emotional tone of maternal utterances could have a role in activating the brains of neonates to attend to the utterances, even while sleeping.

Cited by 102 publications

References 15 publications

A novel ecological account of prefrontal cortex functional development.

A novel ecological account of prefrontal cortex functional development.

Optical imaging of infants' neurocognitive development: Recent advances and perspectives

Cerebral Oxygenation and Oxygen Extraction in the Preterm Infant during Desaturation: Effects of Increasing FiO<sub>2</sub> to Assist Recovery

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