The cerebral cortex is a two to four millimetre layer of cells that envelopes the top part of the brain and is involved in cognitive, behavioural, and motor processes.
Researchers analyzed MRI brain scans of 95 preterm infants born eight to 16 weeks too early at BC Women’s Hospital & Health Centre between 2006 and 2009. Infants were scanned soon after birth and a second time close to what would have been their due date, the ninth month of pregnancy. These MRI scans allowed researchers to measure the pattern of water movement inside the brain, which normally changes between scans as the brain matures. The researchers also assessed the babies’ weight, length, and head size. They found that preterm infants with slower growth had delayed development in the cerebral cortex compared to those infants who grew more quickly between scans.
“These results are an exciting first step because understanding the importance of growth in relation to the brain in these small babies may eventually lead to new discoveries that will help us optimize their brain development,” says Dr. Steven Miller, the study’s co‐lead. Dr. Miller is head of neurology at The Hospital for Sick Children (SickKids), the Bloorview Children’s Hospital Chair in Paediatric Neuroscience, professor in the department of Paediatrics at the University of Toronto, affiliate professor in the department of Pediatrics at the University of British Columbia (UBC), and affiliate investigator at the Child & Family Research Institute (CFRI) at BC Children’s Hospital. He led the study with Dr. Ruth Grunau, a professor in the UBC Department of Pediatrics and CFRI senior scientist.
by Dr. Grunau and Dr. Miller.
“We’re especially grateful to the families for their generous and ongoing participation in this study,” says Dr. Miller. The researchers are following the babies through childhood to understand how preterm brain development is associated with their neurodevelopment outcomes.
support and CFRI Graduate Studentship.
The Child & Family Research Institute conducts discovery, translational and clinical research to benefit the health of children and their families. CFRI is supported by BC Children's Hospital Foundation and works in close partnership with the University of British Columbia, BC Children’s Hospital, and BC Women’s Hospital & Health Centre (agencies of the Provincial Health Services Authority). For more information, visit www.cfri.ca.
BC Children’s Hospital, an agency of the Provincial Health Services Authority, is British Columbia’s (B.C.’s) only pediatric hospital and home to many specialized pediatric services available nowhere else in the province, including B.C.’s trauma centre for children, pediatric intensive care, kidney and bone marrow transplants, open heart surgery, neurosurgery and cancer treatment. Sunny Hill Health Centre for Children is the provincial facility that offers specialized child development and rehabilitation services to children and youth. For more information, please visit www.bcchildrens.ca.
The University of British Columbia (UBC) is one of North America’s largest public research and teaching institutions, and one of only two Canadian institutions consistently ranked among the world’s 22 best universities. Surrounded by the beauty of the Canadian West, it is a place that inspires bold, new ways of thinking that have helped make it a national leader in areas as diverse as community service learning, sustainability and research commercialization. UBC offers more than 56,000 students a range of innovative programs and attracts $550 million per year in research funding from government, non‐profit organizations and industry through over 8,000 projects and grants. For more information, please visit www.ubc.ca.
The Hospital for Sick Children (SickKids) is recognized as one of the world’s foremost pediatric health‐care institutions and is Canada’s leading centre dedicated to advancing children’s health through the integration of patient care, research and education. Founded in 1875 and affiliated with the University of Toronto, SickKids is one of Canada’s most research-intensive hospitals and has generated discoveries that have helped children globally. Its mission is to provide the best in complex and specialized family-centred care; pioneer scientific and clinical advancements; share expertise; foster an academic environment that nurtures health‐care professionals; and champion an accessible, comprehensive and sustainable child health system. SickKids is proud of its vision of Healthier Children. A Better World.™ For more information, visit www.sickkids.ca.
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