Publications

1. Maunu J, Kirjavainen J, Rikalainen H, Parkkola R, Lapinleimu H, Haataja L, Lehtonen L and the PIPARI Study Group. Relation of prematurity and brain injury to crying in infancy. Pediatrics 2006;118:e57-e65.

2. Rautava L, Lempinen A, Ojala S, Parkkola R, Rikalainen H, Lapinleimu H, Haataja, L, Lehtonen, L and the PIPARI Study Group. Acoustic quality of cry in very-low-birth-weight infants at the age of 1 1/2 years. Early Human Development. 2007/1;83(1):5-12.

3. Maunu J, Ekholm E, Parkkola R, Palo P, Rikalainen H, Lapinleimu H, Haataja L, Lehtonen L and the PIPARI Study Group.  Antenatal doppler measurements and early brain injury in very low birth weight infants. J Pediatrics 2007;150:51-56.

4. Stolt S, Klippi A, Launonen K, Munck P, Lehtonen L, Lapinleimu H, Haataja L and the PIPARI Study Group. Size and composition of the lexicon in prematurily born very-low-birth-weight and full-term Finnish children at two years of age. J Child Language 2007;34:283-310.

5. Korja R, Maunu J, Kirjavainen J, Savonlahti E, Haataja L, Lapinleimu H, Manninen H, Piha J, Lehtonen L and the PIPARI Study Group. Mother-Infant interaction is influenced by the amount of holding in preterm infants. Early Human Development 2008;84(4):257-267.

6. Korja R, Savonlahti E, Ahlqvist-Björkruth S, Stolt S, Haataja, L., Lapinleimu H, Piha J, Lehtonen L and the PIPARI Study Group. Maternal depression is associated with mother-infant interaction in preterm infants. Acta Pediatrica 2008;2(97):724-730.

7. Reiman M, Kujari H, Maunu J, Parkkola R, Rikalainen H, Lapinleimu H, Lehtonen L, Haataja L and the PIPARI Study Group. Does placental inflammation relate to brain lesions and volume in preterm infants? J Pediatrics 2008;152:642-7.

8. Munck P, Maunu J, Kirjavainen J, Lapinleimu H, Haataja L, Lehtonen L and the PIPARI Study Group. Crying behavior in early infancy is associated with developmental outcome at two years of age in very low birth weight infants. Acta Paediatrica 2008;97:332-336.

9. Stolt S, Haataja L, Lapinleimu H. and Lehtonen L. Early lexical development of Finnish children – a longitudinal study.  First language 2008;28(3):259-279.

10. Ekblad M, Maunu J, Munck P, Ekblad S, Matomäki J, Lapinleimu H, Haataja L, Lehtonen L ja PIPARI-tutkimusryhmä. Keskosten äidit tupakoivat raskausaikana muita yleisemmin. Suomen Lääkärilehti 2008;11:1047-51.

11. Reiman M, Kujari H, Ekholm E, Lapinleimu H, Lehtonen L, Haataja L and the PIPARI Study Group. Interleukin-6 polymorphism is associated with histological chorioamnionitis and neonatal infections in preterm infants. J Pediatrics 2008;153(1):19-24.

12. Stolt S, Haataja L, Lapinleimu H and Lehtonen L. The early lexical development and its predictive value to language skills at two years in very-low-birth-weight cihldren. J of Communication Disorders 2009;42:107-123.

13. Maunu, J, Parkkola, R, Rikalainen, H, Lehtonen, L, Haataja, L, Lapinleimu, H and the PIPARI Study Group. Brain and ventricles in very low birth weight infants at term: a comparison among head circumference, ultrasound and magnetic resonance imaging. Pediatrics 2009;123(2):617-26.

14. Korja, R, Savonlahti, E, Haataja, L, Lapinleimu, H, Manninen, H, Piha, J, Lehtonen, L and the PIPARI Study Group. Attachment representations in mothers of preterm infants. Infant Behavior and Development 2009;32(3):305-11.

15. Stolt S, Haataja L, Lapinleimu H and Lehtonen L. Associations between lexicon and grammar at the end of the second year in Finnish children. J of Child Language 2009;36(4):779-806.

16. Reiman M, Parkkola R, Lapinleimu H, Lehtonen L, Haataja L and the PIPARI Study Group. Interleukin-6 – 174 and -572 genotypes and the volume of deep gray matter in preterm infants. Ped Res 2009;65:90-66.

17. Reiman M, Parkkola R, Johansson R, Jääskeläinen S, Kujari H, Lehtonen L, Haataja L, Lapinleimu H and the PIPARI Study Group. Diffusion tensor imaging of the inferior colliculus and brainstem auditory-evoked potentials in preterm infants. Pediatr Radiol 2009;39:804-9.

18. Lind A, Haataja L, Rautava L, Väliaho A, Lehtonen L, Lapinleimu H, Parkkola R, Korkman M and the PIPARI Study Group. Relations between brain volumes, neuropsychological assessment and parental questionnaire in prematurely born children. European Child & Adolescent Psychiatry 2010;19:407-417.

19. Lind A, Lapinleimu H, Korkman M, Lehtonen L, Parkkola R, Haataja L and the PIPARI Study Group. Five-year follow-up of prematurely born children with postnatally developing caudothalamic cysts. Acta Peadiatrica 2010;99:304-307.

20. Ekblad M, Korkeila J, Parkkola R, Lapinleimu H, Haataja L, Lehtonen L & the PIPARI Study Group. Maternal smoking during pregnancy and regional brain volumes in preterm infants. J Pediatrics 2010; 156(2): 185-90. doi: 10.1016/j.jpeds.2009.07.061.

21. Merisaari H., Parkkola R, Alhoniemi E, Teräs M, Lehtonen L, Haataja L, Lapinleimu H, Nevalainen O. Gaussian mixture model-based segmentation of MR images taken from premature infant brains. J Neurosci Methods. 2009; Aug 30; 182(1): 110-122. Epub 2009 Jun10.

22. Munck P, Haataja L, Maunu J, Parkkola R, Rikalainen H, Lapinleimu H, Lehtonen L & the PIPARI Study Group. Cognitive outcome at 2 years of age in Finnish infants with very low birth weight born between 2001 and 2006. Acta Peadiatrica 2010; 99: 359-66.

23. Korja R, Alhqvist-Björkroth S., Savonlahti E, Stolt S, Haataja L, Lapinleimu H, Piha J, Lehtonen L and the PIPARI Study Group. Relations between maternal attachment representations and the quality of mother-infant interaction in preterm and full-term infants. Infant Behavior and Development 2010; 33:330-336.

24. Maunu J, Lehtonen, L, Lapinleimu, H, Matomäki, J, Munck, P, Rikalainen, H, Parkkola, R, Haataja, L and the PIPARI Study Group. Ventricular dilatation in relation to outcome at two years of age in very low birth weight infants – a prospective Finnish cohort study. Developmental Medicine and Child Neurology 2011;53(1):48-54.

25. Lind A, Korkman M, Lehtonen L, Lapinleimu H, Parkkola R, Matomäki J, Haataja L and the PIPARI Study Group. Cognitive and neuropsychological outcomes at 5 years of age in preterm children born in the 2000s. Developmental Medicine & Child Neurology 2011;53:256-262.

26. Lind A, Parkkola R, Lehtonen L, Munck P, Maunu J, Lapinleimu H, Haataja L and the PIPARI Study Group. Associations between regional brain volumes at term equivalent age and development at two years of age in preterm children. Pediatric radiology 2011; 41(8):953-61.

27. Leppänen, M, Ekholm, E, Palo, P, Maunu, J, Munck, P, Parkkola, R, Matomäki, J, Lapinleimu, H, Haataja, L, Lehtonen, L, Rautava, P and the PIPARI Study Group. Abnormal antenatal doppler velocimetry and cognitive outcome in very-low-birth-weight infants at 2 years of age. Ultrasound Obstet Gynecol. 2010 36(2):178-85.

28. Munck, P., Niemi, P., Väliaho, A, Lapinleimu, H, Lehtonen, L, Haataja, L, and the PIPARI Study Group. Pre-reading skills of very-low-birth-weight prematurely born Finnish children. Child Neuropsychology  2012;18(1):92-103.

29. Huhtala, M, Korja, R, Lehtonen, L, Haataja, L, Lapinleimu, H, Munck, P, Rautava, P and the PIPARI Study Group. Parental psychological well-being and cognitive development of very low birth weight infants at 2 years. Acta Paediatrica 2011;100(12):1555-60. doi: 10.1111/j.1651-2227.2011.02428.x.

30. Stolt, S, Lehtonen, L, Haataja, L, Lapinleimu, H & the PIPARI Study Group (2011). The language used in early mother-child interaction by very-low-birth-weight children, with a focus on the emergence of grammar. Logopedia, Foniatria y Audiologia 2011;31(3):115-124.

30. Stolt, S, Lehtonen, L, Haataja, L, Lapinleimu, H & the PIPARI Study Group. El lenguage utilizado por ninos con muy bajo peso al nacer en la interaccion temprana entre madre e hijo, con atencion especial a la aparicion de la gramatica. Logopedia, Foniatria y Audiologia 2011;31(3);115-124.

31. Stolt, S, Matomäki, J, Haataja, L, Lapinleimu, H, Lehtonen, L & the PIPARI Study Group. The emergence of grammar in very-low-birth-weight Finnish children at two years age. Journal of Child Language 2013;40(2):336-357.

32. Stolt, S, Lehtonen, L, Haataja, L & Lapinleimu, H. Development and predictive value of early vocalizations in very-low-birth-weight children – a longitudinal study. Clinical Linguistics & Phonetics 2012; 26(5): 414-427.

33. Munck, P, Niemi, P, Lehtonen, L, Lapinleimu, H, Haataja, L & the PIPARI Study Group. Stability of cognitive outcome from two to five years of age in very-low-birth-weight children. Pediatrics 2012; 129: 503-8.

34. Huhtala, M, Korja, R, Lehtonen, L, Haataja, L, Lapinleimu, H, Munck, P, Rautava, P & the PIPARI Study Group. Parental psychological well-being and behavioural outcome of very low birth weight infants at 3 years. Peadiatrics 2012;129(4):e937-44.

35. Lepomäki, V, Paavilainen, T, Hurmes, S, Haataja, L, Lapinleimu, H, Lehtonen, L, Komu, M & Parkkola, R. Effect of antenatal growth and prematurity on brain white matter: diffusion tensor study. Pediatric Radiology 2012;42:692-698.

36. Ylijoki, M, Ekholm, E, Haataja, L, Lehtonen, L & the PIPARI Study Group. Is chorioamnionitis harmful for the brain of prematurely born infants? A clinical overview. Acta Obstet et Gynecol Scand 2012 Jan 10.

37. Lepomäki, V, Leppänen, M, Matomäki, J, Lapinleimu, H, Lehtonen, L, Haataja, L, Komu, M, Parkkola, R & the PIPARI Study Group. Effect of antenatal growth on brain white matter maturation in preterm infants at term using tract-based spatial statistics. Pediatric Radiology 2013;43(1):80-85.

38. Setänen, S, Haataja, L, Parkkola, R, Lind, A, Lehtonen, L & the PIPARI Study Group. Predictive value of neonatal brain MRI on the neurodevelopmental outcome of preterm infants by 5 years of age. Acta Paeditrica 2013;102(5):492-497.

39. Lepomäki, V, Paavilainen, T, Hurme, S, Komu, M, Parkkola, R & the PIPARI Study Group. Fractional anisotropy and mean diffusivity parameters of the brain white matter tracts in preterm infants: reproducibility of region-of-interest measurements. Pediatric Radiology 2012; 42(2):175-82.

40. Stolt, S., Mäkilä, A.-M:, Matomäki, J., Lehtonen, L., Lapinleimu, H. & Haataja, L. The development and predictive value of gestures in very-low-birth-weight children: a longitudinal study. International Journal of Speech-Language Pathology, in press, (published online 2013; early online 1-11).

41. Leppänen, M, Lapinleimu, H, Lehtonen, L, Rautava, P & the PIPARI Study Group. Growth of extremely preterm infants born in 2001-2010. Acta Paeditrica 2013; 102(2):206-8.

42. Korja, M., Ylijoki, M., Lapinleimu, H., Pohjola, P., Matomäki, J., Kuśmierek, H., Mahlman, M., Rikalainen, H., Parkkola, R., Kaukola, T., Lehtonen, L., Hallman, M. and Haataja, L. Apolipoprotein E, brain injury and neurodevelopmental outcome of children. Genes Brain Behav. 2013 Apr; 12(3):348-52.

43. Lepomäki V, Matomäki J, Lapinleimu H, Lehtonen L, Haataja L, Komu M, Parkkola R & PIPARI Study Group. Effect of antenatal growth on brain white matter maturation in preterm infants at term using tract-based spatial statistics. Pediatr Radiol. 2013 Jan;43(1):80-5. doi: 10.1007/s00247-012-2509-9.

44. Lepomäki V, Leppänen M, Matomäki J, Lapinleimu H, Lehtonen L, Haataja L, Komu M, Rautava P, Parkkola R; PIPARI study group. Preterm infants’ early growth and brain white matter maturation at term age. Pediatr Radiol. 2013 Oct;43(10):1357-64. doi: 10.1007/s00247-013-2699-9. Epub 2013 Jun 23.

 45. Leppänen, M, Lapinleimu, H, Lind, A, Matomäki, J, Lehtonen, L, Haataja, L & Rautava, P. Antenatal and postnatal growht and 5-year cognitive outcome in very preterm infants. Pediatrics 2014; 133:63.

46. Stolt, S, Matomäki, J, Lind, A, Lapinleimu, H, Haataja, L & Lehtonen, L. The prevalence and predictive value of weak language skills in children with very low birth weight – a longitudinal study. Acta Paeditrica, 103(6): 651-658.

47. Stolt, S, Korja, R, Matomäki, J, Lapinleimu, H, Haataja, L & Lehtonen, L. Early relations between language develompent and the quality of mother-child – interaction in very-low-birth-weight children. Early Human Development, in press.

48. Korja R, Huhtala M, Maunu J, Rautava P, Haataja L, Lapinleimu H, Lehtonen L; PIPARI Study Group. Preterm infant’s early crying associated with child’s behavioral problems and parents’ stress. Pediatrics. 2014 Feb;133(2):e339-45. doi: 10.1542/peds.2013-1204. Epub 2014 Jan 6.

49. Huhtala M, Korja R, Lehtonen L, Haataja L, Lapinleimu H, Rautava P & PIPARI Study Group. Associations between parental psychological well-being and socio-emotional development in 5-year-old preterm children. Early Hum Dev. 2014 Mar;90(3):119-24. doi: 10.1016/j.earlhumdev.2013.12.009.

50. Setänen S, Lahti K, Lehtonen L, Parkkola R, Maunu J, Saarinen K, Haataja L. Neurological examination combined with brain MRI or cranial US improves prediction of neurological outcome in preterm infants. Early Hum Dev. 2014 Oct 21;90(12):851-856.

51. Huhtala M, Korja R, Rautava L, Lehtonen L, Haataja L, Lapinleimu H, Rautava P, PIPARI Study Group. Health-related quality of life in very low birth weight children at nearly eight years of age. Acta Paediatrica 2015 Oct 13. doi: 10.1111/apa.13241.

52. Setänen S, Lehtonen L, Parkkola R, Aho K, Haataja L, on behalf of the PIPARI Study Group. Prediction of neuromotor outcome in infants born preterm at 11 years of age using volumetric neonatal MRI and neurological examinations. Dev Med Child Neurol. 2016;DOI:10.1111/dmcn.13030

53. Setänen S, Lehtonen L, Parkkola R, Matomäki J, Haataja L, on behalf of the PIPARI Study Group. The motor profile of preterm infants at 11 years of age. Pediatr Res. 2016; DOI: 10.1038/pr.2016.90.

54. Stolt, S., Lind, A., Matomäki, J., Haataja, L., Lapinleimu, H. & Lehtonen, L. 2016. Do the early development of gestures and receptive and expressive language predict language skills at 5;0 in prematurely born very-low-birth-weight children? Journal of Communication Disorders, 61: 16-28.

55. Ylijoki M, Lehtonen L, Lind A, Ekholm E, Lapinleimu H, Kujari H, Haataja L & PIPARI Study Group. Chorioamnionitis and Five-Year Neurodevelopmental Outcome in Preterm Infants. Neonatology. 2016;110(4):286-295.

56. Korpela S, Nyman A, Munck P, Ahtola A, Matomäki J, Korhonen T, Parkkola R, Haataja L & PIPARI Study group. Working memory in very-low-birthweight children at the age of 11 years. Child Neuropsychol. 2016 Dec 1:1-16. doi: 10.1080/09297049.2016.1260101.

57. Alanko O, Niemi P, Munck P, Turunen T, Nurmi J-E, Lehtonen L, Haataja L, Rautava P & PIPARI Study Group (2017). Reading and math abilities of Finnish school-beginners born very preterm or with very low birth weight. Learning and Individual Differences, 54, 173-183.

58. Nyman A, Korhonen T, Munck P, Parkkola R, Lehtonen L, Haataja L. Factors Affecting the Cognitive Profile of 11-Year-Old Children Born Very Preterm. Pediatr. Res. 2017; DOI: 10.1038/pr.2017.64.

59. Nanu CE, McMullen J, Munck P, Pipari Study Group, Hannula-Sormunen MM. Spontaneous focusing on numerosity in preschool as a predictor of mathematical skills and knowledge in the fifth grade. Journal of  Experimental Child Psychology, 2018 May;169:42-58. doi: 10.1016/j.jecp.2017.12.011

60. Lüthje P, Vahlberg T, Maaniitty E, Rautava P, Svedström-Oristo A. Dental findings in primary dentition of very preterm children: A retrospective case-control study from Finland. Neonat Pediatr Med 2018, 4:2, DOI: 10.4172/2572-4983.1000169.

61. Nyman A, Korhonen T, Lehtonen L, Haataja L. School performance is age-appropriate with support services in very preterm children at 11 years of age. Acta Paediatrica, 2019. [E-pub ahead of print]

62. Nyman A, Munck P, Koivisto M, Hagelstam C, Korhonen T, Lehtonen L, Haataja L. Executive Function Profiles at Home and at School in 11-Year-Old Very Low Birth Weight or Very Low Gestational Age Children. J Dev Behav Pediatr. 2019 Sep;40(7):547-554.

63. Korpipää H, Niemi P, Aunola K, Koponen T, Hannula-Sormunen M,
Stolt S, Aro M, Nurmi J-E, Rautava P, the PIPARI Study Group. Prematurity and overlap between reading and arithmetic: the cognitive mechanisms behind the association. Contemporary Educational Psychology, 2019: 56, 171-179.

64. Lind A, Nyman A, Lehtonen L and Haataja L. Predictive value of psychological assessment at five years of age in the long-term follow-up of very preterm children. Child Neuropsychology. 2020;26:312-323.

65. Ylijoki M, Haataja L, Lind A, Ekholm E, Lehtonen L, on behalf of the PIPARI study group. Neurodevelopmental Outcome of Preterm Twins at Five Years of Age. Pediatrc Research. In press.

66. Lahti K, Saunavaara V, Munck P, Uusitalo K, Koivisto M, Parkkola R, Haataja L;PIPARIStudy Group. Diffusion tensor imaging is associated with motor outcomes of very preterm born children at 11 years of age. Acta Paediatr. 2019 Sep 10. doi: 10.1111/apa.15004. [Epub ahead of print]

67. Uusitalo K, Haataja L, Nyman A, Ripatti L, Huhtala M, Rautava P, Lehtonen L, Parkkola R, Lahti K, Koivisto M, Setänen S; PIPARI Study Group. Preterm children’s developmental coordination disorder, cognition and quality of life: a prospective cohort study. BMJ Paediatrics Open 2020;4:e000633. doi: 10.1136/bmjpo-2019-000633

68. Lind A, Salomäki S, Parkkola R, Haataja L, Rautava P, Junttila N, Koikkalainen J, Lötjönen J, Saunavaara V, Korja R on behalf of the PIPARI Study Group. Brain volumes in relation to loneliness and social competence in preadolescents born very preterm. Brain and Behavior. 2020;10(6):e01640.

69. Lind A, Parkkola R, Laasonen M, Vorobyev V, Haataja L on behalf of the PIPARI Study Group. Visual Perceptual Skills in Very Preterm Children: Developmental Course and Associations with Neural Activation. Pediatric Neurology, 2020;109:72-78.

70. Lind A, Haataja L, Laasonen M, Saunavaara V, Railo H, Lehtonen T, Vorobyev V, Uusitalo K, Lahti K, Parkkola R on behalf of the PIPARI Study Group. Functional Magnetic Resonance Imaging during Visual Perception Tasks in Adolescents Born Prematurely. Journal of the International Neuropsychological Society. 2020;1-12. doi:10.1017/S1355617720000867

71. Joensuu E, Munck P, Setänen S, Lipsanen J, Huhtala M, Lapinleimu H, Stolt S. Associations between Language at 2 Years and Literacy Skills at 7 Years in Preterm Children Born at Very Early Gestational Age and/or with Very Low Birth. Children 2021, 8(6), 510; https://doi.org/10.3390/children8060510

72. Lind A, Haataja L, Laasonen M, Saunavaara V, Railo H, Lehtonen T, Vorobyev V, Uusitalo K, Lahti K, Parkkola R; PIPARI Study Group. Functional Magnetic Resonance Imaging during Visual Perception Tasks in Adolescents Born Prematurely. J Int Neuropsychol Soc. 2021 Mar;27(3):270-281. doi: 10.1017/S1355617720000867. Epub 2020 Sep 15. PMID: 32928332.

73. Salomäki S, Rautava P, Junttila N, Huhtala M, Leppänen MH, Nyman A, Koivisto M, Haataja L, Lehtonen L, Korja R; PIPARI Study Group. Social functioning questionnaires of adolescents born preterm show average profiles and attenuated sex differences. Acta Paediatr. 2021 May;110(5):1490-1497. doi: 10.1111/apa.15728. Epub 2021 Jan 3. PMID: 33341096.

74. Lahti K, Parkkola R, Jääsaari P, Haataja L, Saunavaara V; PIPARI Study Group. The impact of susceptibility correction on diffusion metrics in adolescents. Pediatr Radiol. 2021 Jul;51(8):1471-1480. doi: 10.1007/s00247-021-05000-3. Epub 2021 Apr 24. PMID: 33893847; PMCID: PMC8266789.

75. Uusitalo K, Haataja L, Nyman A, Lehtonen T, Setänen S; PIPARI Study Group. Hammersmith Infant Neurological Examination and long-term cognitive outcome in children born very preterm. Dev Med Child Neurol. 2021 Aug;63(8):947-953. doi: 10.1111/dmcn.14873. Epub 2021 Apr 8. PMID: 33834473.

76. Uusitalo K, Haataja L, Saunavaara V, Lind A, Vorobyev V, Tilli J, Parkkola R, Setänen S; PIPARI Study Group. Performance in Hand Coordination Tasks and Concurrent Functional MRI Findings in 13-Year-Olds Born Very Preterm. Pediatr Neurol. 2021 Oct;123:21-29. doi: 10.1016/j.pediatrneurol.2021.07.001. Epub 2021 Jul 10. PMID: 34339952.