Environmental enrichment is a model of increased structural brain plasticity. Previous histological observations have shown molecular and cellular changes in a few pre-determined areas of the rodent brain. However, little is known about the time course of enrichment-induced brain changes and how they distribute across the whole brain. Here we expose adult mice to three weeks of environmental enrichment using a novel re-configurable maze design. In-vivo MRI shows volumetric brain changes in brain areas related to spatial memory, navigation, and sensorimotor experience, such as the hippocampal formation and the sensorimotor cortex. Evidence from a second cohort of mice indicates that these plastic changes might occur as early as 24h after exposure. This suggests that novel experiences are powerful modulators of plasticity even in the adult brain. Understanding and harnessing the underlying molecular mechanisms could advance future treatments of neurological disease.
Download full-text PDF |
Source |
|---|---|
| http://dx.doi.org/10.1016/j.neuroimage.2015.01.027 | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
Clinical and mechanistic insights into biomedical application of Se-enriched probiotics and biogenic selenium nanoparticles.
Biotechnol Lett
January 2025
Extremophile and Productive Microorganisms Research Center, Kerman University of Medical Sciences, Kerman, Iran.
Selenium is an essential element with various industrial and medical applications, hence the current considerable attention towards the genesis and utilization of SeNPs. SeNPs and other nanoparticles could be achieved via physical and chemical methods, but these methods would not only require expensive equipment and specific reagents but are also not always environment friendly. Biogenesis of SeNPs could therefore be considered as a less troublesome alternative, which opens an excellent window to the selenium and nanoparticles' world.
View Article and Find Full Text PDFNon-canonical imprinting, manifesting as post-fertilization placenta-specific parent-of-origin dependent methylation, is not conserved in humans.
Hum Mol Genet
January 2025
Biomedical Research Centre, School of Biological Sciences, University of East Anglia, Norwich Research Park, Earlham Road, Norwich NR4 6PN, United Kingdom.
Genomic imprinting is the parent-of-origin dependent monoallelic expression of genes often associated with regions of germline-derived DNA methylation that are maintained as differentially methylated regions (gDMRs) in somatic tissues. This form of epigenetic regulation is highly conserved in mammals and is thought to have co-evolved with placentation. Tissue-specific gDMRs have been identified in human placenta, suggesting that species-specific imprinting dependent on unorthodox epigenetic establishment or maintenance may be more widespread than previously anticipated.
View Article and Find Full Text PDFA preliminary account of Culicoides (Diptera: Ceratopogonidae) from the Andaman and Nicobar Islands with 13 new records and updated species inventory from India.
Parasit Vectors
January 2025
Diptera Section, Zoological Survey of India, Kolkata, West Bengal, India.
Background: The detection of multiple bluetongue virus serotypes, increasing trend in livestock density, rich biological diversity with high endemism, and the status of the Andaman and Nicobar Islands as a popular tourist destination underscore the need for a faunistic survey of medically and veterinary significant vector species, specifically Culicoides, in this region. Moreover, scattered information on Indian Culicoides species complicates the planning and implementation of preventive measures for pathogens transmitted by these vectors. This study aims to provide the first comprehensive account of the Culicoides fauna in the Andaman and Nicobar Islands, India, along with an updated checklist of Indian Culicoides species and their state-wise distribution.
View Article and Find Full Text PDFTranscriptome, miRNA, and degradome sequencing reveal the leaf stripe (Pyrenophora graminea) resistance genes in Tibetan hulless barley.
BMC Plant Biol
January 2025
Academy of Agricultural and Forestry Sciences, Qinghai University, Xining, 810016, China.
Barley leaf stripe, a disease mainly caused by Pyrenophora graminea (P. graminea) infection, severely affects barley yield and quality and is one of the most widespread diseases in barley production. However, little is known about the underlying molecular mechanisms of leaf stripe resistance.
View Article and Find Full Text PDFChanges in microbiome composition during ontogeny and dispersal of the coral boring sponge Thoosa mismalolli.
Sci Rep
January 2025
Laboratorio de Bioinformática Microbiana, Programa Académico de Ingeniería en Biotecnología, Universidad Politécnica de Sinaloa, Carretera Municipal Libre Km. 3 Mazatlán-Higueras, 82199, Mazatlán, Sinaloa, Mexico.
Dispersal is an important life history trait that plays a key role in the demography and evolution of species. We employed a combined approach of DNA sequencing and transmission electron microscopy to examine the changes in the microbiome during the ontogeny and dispersal of the coral-excavating sponge Thoosa mismalolli. The results show that sponge can acquired their associated bacteria via both vertical (VT) and horizontal transmission (HT).
View Article and Find Full Text PDFWant AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!