Much of our adult behavior reflects the neural circuits sculpted by experience in infancy and early childhood. At no other time in life does the surrounding environment so potently shape brain function – from basic motor skills, sensation or sleep to higher cognitive processes like language. How this plasticity waxes and wanes with age carries an impact far beyond neuroscience, including education policy, therapeutic approaches to developmental disorders or strategies for recovery from brain injury in adulthood.
Our laboratory, housed in the Department of Molecular and Cellular Biology and Center for Brain Science at Harvard University and F.M. Kirby Neurobiology Center at Boston Children’s Hospital, and part of the NIMH-funded Conte Center at Harvard, explores the mechanisms underlying critical periods of brain development. Research is aimed at the interface between cell biology and neuroscience – applying cellular/molecular techniques to elucidate complex neural systems.
Papers
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Targeted Intracellular Delivery via Precision Programming of ARRDC1-Mediated MicrovesiclesJ Extracell Vesicles. 2025 Dec;14(12):e70199. doi: 10.1002/jev2.70199. PMID: 41392542 PubMed
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Visual Recovery Reflects Cortical MeCP2 Sensitivity in Rett SyndromeAnn Clin Transl Neurol 2025 Nov 19. doi: 10.1002/acn3.70197. Epub ahead of print PubMed
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General Anesthesia in Early Infancy Accelerates Visual Cortical DevelopmentPNAS PNAS
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Neurodevelopment at 10 months and 2-3 years old after early and prolonged anaesthesia in infancy: General Anaesthesia & Brain Activity study (GABA) secondary analysisBJA Open . 2025 Mar 10:14:100383. doi: 10.1016/j.bjao.2025.100383. eCollection 2025 Jun. PubMed
News & Events
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The Science Translational Medicine journal has published our “Early Life Stress Shapes Attention Deficits in Male (But Not Female) Mice” findings! Congratulations to Yuichi Makino, Nathaniel Hodgson, et al. MCB Departmental News: Early Life Stress Shapes Attention Deficits in Male (But Not Female) Mice [Hensch Lab] – Harvard University – Department of Molecular & Cellular Biology
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The Brain – Gut connection is consistently being researched, and with the focus from Doctors Katz, Tomczak, and Hensch, we now have a connection in children; Probing the microbiome in OCD and tic disorders – Boston Children’s Answers (childrenshospital.org)
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The 2024 Dowling Thesis Prize for Undergraduate Neuroscience Research is awarded to our own Jess Leff (Neuro ’24) ! Read more about her story and reaction at MCB News. Congratulations Jess!
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We are proud to share that our own Rebecca Reh, PhD, has been awarded the prestigious Brain and Behavior Research Foundation's Young Investigator Grant (2023)! She has done amazing work analyzing neuroimaging data, elucidating EEG biomarkers of developmental plasticity in human language acquisition, and much more. Take a moment to read the article in the Cohen Veterans Bioscience.