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Maternal Linguistic Input to Infants Born to Mothers With and Without Postpartum Psychosis and Infant Language Skills: A Preliminary Study.

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Title: Maternal Linguistic Input to Infants Born to Mothers With and Without Postpartum Psychosis and Infant Language Skills: A Preliminary Study.
Authors: Raju, Reny1, Srikar, Malavi1, Swaminathan, Divya1, Chandra, Prabha S.1, Vasuki, Prathyusha P.1, Meera, Shoba S.1 ssmeera@nimhans.ac.in
Source: American Journal of Speech-Language Pathology. Dec2025, Vol. 34 Issue 6, p3477-3488. 12p.
Subject Terms: *Communicative competence, *Data analysis, *Language acquisition, *Children, Cross-sectional method, Postpartum psychoses, Research funding, Tertiary care, Analysis of covariance, Classification of mental disorders, Mother-infant relationship, Linguistics, Sound recordings, Case-control method, Statistics, Time, Video recording
Geographic Terms: India
Company/Entity: World Health Organization , United Nations
Abstract: Purpose: This preliminary study investigated maternal linguistic input (MLI) to infants born to mothers with and without postpartum psychosis (PPP), infant language skills, and the impact of MLI on infant language skills. Method: This is a cross-sectional case-control study from South India. The study included 14 mother-infant dyads, with seven dyads each in the PPP group, Mage of infant(SD) = 8.44 (1.93) months, and the no-PPP group, Mage of infant(SD) = 8.14 (1.8) months. MLI was assessed through video recordings of mother-infant interactions, focusing on both quantity (total number of words) and quality (type of words, type-token ratio, length of utterance, and types of maternal verbal responsiveness to infant vocalizations). Infant language skills were assessed between 6 and 12 months of infants' age using two parent interview measures: (a) Receptive-Expressive Emergent Language Test-Third Edition and (b) MacArthur-Bates Communicative Development Inventories, Words and Gestures. These measures were administered in languages spoken by the families, such as Kannada, Tamil, Malayalam, and Hindi. Results: Findings indicated that mothers with PPP provided significantly fewer total words and word types, shorter length of utterances, fewer verbal responsiveness to infant vocalizations, and a significantly higher number of no verbal responses to infant vocalizations when compared to mothers without PPP. No significant differences were observed in infant receptive and expressive language skills between the groups. Overall, strong positive correlations were observed between maternal responsiveness to infant vocalizations and expressive language skills as well as between no verbal responses to infant vocalizations and receptive vocabulary counts. Conclusions: The study highlights that there exist differences in the patterns of MLI in mothers with and without PPP. However, further research is needed with larger samples and longitudinal designs to explore the long-term impact of PPP on infant language development. [ABSTRACT FROM AUTHOR]
Copyright of American Journal of Speech-Language Pathology is the property of American Speech-Language-Hearing Association and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Maternal Linguistic Input to Infants Born to Mothers With and Without Postpartum Psychosis and Infant Language Skills: A Preliminary Study.
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  Data: <searchLink fieldCode="AR" term="%22Raju%2C+Reny%22">Raju, Reny</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Srikar%2C+Malavi%22">Srikar, Malavi</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Swaminathan%2C+Divya%22">Swaminathan, Divya</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Chandra%2C+Prabha+S%2E%22">Chandra, Prabha S.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Vasuki%2C+Prathyusha+P%2E%22">Vasuki, Prathyusha P.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Meera%2C+Shoba+S%2E%22">Meera, Shoba S.</searchLink><relatesTo>1</relatesTo><i> ssmeera@nimhans.ac.in</i>
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  Data: <searchLink fieldCode="JN" term="%22American+Journal+of+Speech-Language+Pathology%22">American Journal of Speech-Language Pathology</searchLink>. Dec2025, Vol. 34 Issue 6, p3477-3488. 12p.
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  Data: *<searchLink fieldCode="DE" term="%22Communicative+competence%22">Communicative competence</searchLink><br />*<searchLink fieldCode="DE" term="%22Data+analysis%22">Data analysis</searchLink><br />*<searchLink fieldCode="DE" term="%22Language+acquisition%22">Language acquisition</searchLink><br />*<searchLink fieldCode="DE" term="%22Children%22">Children</searchLink><br /><searchLink fieldCode="DE" term="%22Cross-sectional+method%22">Cross-sectional method</searchLink><br /><searchLink fieldCode="DE" term="%22Postpartum+psychoses%22">Postpartum psychoses</searchLink><br /><searchLink fieldCode="DE" term="%22Research+funding%22">Research funding</searchLink><br /><searchLink fieldCode="DE" term="%22Tertiary+care%22">Tertiary care</searchLink><br /><searchLink fieldCode="DE" term="%22Analysis+of+covariance%22">Analysis of covariance</searchLink><br /><searchLink fieldCode="DE" term="%22Classification+of+mental+disorders%22">Classification of mental disorders</searchLink><br /><searchLink fieldCode="DE" term="%22Mother-infant+relationship%22">Mother-infant relationship</searchLink><br /><searchLink fieldCode="DE" term="%22Linguistics%22">Linguistics</searchLink><br /><searchLink fieldCode="DE" term="%22Sound+recordings%22">Sound recordings</searchLink><br /><searchLink fieldCode="DE" term="%22Case-control+method%22">Case-control method</searchLink><br /><searchLink fieldCode="DE" term="%22Statistics%22">Statistics</searchLink><br /><searchLink fieldCode="DE" term="%22Time%22">Time</searchLink><br /><searchLink fieldCode="DE" term="%22Video+recording%22">Video recording</searchLink>
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  Data: <searchLink fieldCode="DE" term="%22World+Health+Organization%22">World Health Organization</searchLink> <br /><searchLink fieldCode="DE" term="%22United+Nations%22">United Nations</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Purpose: This preliminary study investigated maternal linguistic input (MLI) to infants born to mothers with and without postpartum psychosis (PPP), infant language skills, and the impact of MLI on infant language skills. Method: This is a cross-sectional case-control study from South India. The study included 14 mother-infant dyads, with seven dyads each in the PPP group, Mage of infant(SD) = 8.44 (1.93) months, and the no-PPP group, Mage of infant(SD) = 8.14 (1.8) months. MLI was assessed through video recordings of mother-infant interactions, focusing on both quantity (total number of words) and quality (type of words, type-token ratio, length of utterance, and types of maternal verbal responsiveness to infant vocalizations). Infant language skills were assessed between 6 and 12 months of infants' age using two parent interview measures: (a) Receptive-Expressive Emergent Language Test-Third Edition and (b) MacArthur-Bates Communicative Development Inventories, Words and Gestures. These measures were administered in languages spoken by the families, such as Kannada, Tamil, Malayalam, and Hindi. Results: Findings indicated that mothers with PPP provided significantly fewer total words and word types, shorter length of utterances, fewer verbal responsiveness to infant vocalizations, and a significantly higher number of no verbal responses to infant vocalizations when compared to mothers without PPP. No significant differences were observed in infant receptive and expressive language skills between the groups. Overall, strong positive correlations were observed between maternal responsiveness to infant vocalizations and expressive language skills as well as between no verbal responses to infant vocalizations and receptive vocabulary counts. Conclusions: The study highlights that there exist differences in the patterns of MLI in mothers with and without PPP. However, further research is needed with larger samples and longitudinal designs to explore the long-term impact of PPP on infant language development. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of American Journal of Speech-Language Pathology is the property of American Speech-Language-Hearing Association and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
PLink https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=ehh&AN=189224620
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      – Type: doi
        Value: 10.1044/2025_AJSLP-25-00104
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      – Code: eng
        Text: English
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        Type: general
      – SubjectFull: Data analysis
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      – SubjectFull: Language acquisition
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      – SubjectFull: Cross-sectional method
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      – SubjectFull: Postpartum psychoses
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      – SubjectFull: Classification of mental disorders
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