Where are they?
Close-up view of the meninges surrounding the brain.
The term meninges comes from the Greek for "membrane" and refers to the three membranes that surround the brain and spinal cord. The membrane layers (discussed in detail below) from the outside in are the: dura mater, arachnoid mater, and pia mater. Their positioning around the brain can be seen in the image to the right.What are they and what do they do?The brain is s........ Read more »
Fish might not be the first thing you think about when we talk spinal cord injury but that is exactly what scientists are doing. Don’t ask where they got the […]... Read more »
Lewandowski, G., & Steward, O. (2014) AAVshRNA-Mediated Suppression of PTEN in Adult Rats in Combination with Salmon Fibrin Administration Enables Regenerative Growth of Corticospinal Axons and Enhances Recovery of Voluntary Motor Function after Cervical Spinal Cord Injury. Journal of Neuroscience, 34(30), 9951-9962. DOI: 10.1523/JNEUROSCI.1996-14.2014
The plane crash in Ukraine brings up many questions related to loss and grief. How will those left behind cope with the devastating event? How can we support them? With regard to how young people cope with bereavement, Dr. Mariken Spuij’s recent articles provide new insights.... Read more »
Spuij M, Prinzie P, Dekovic M, van den Bout J, & Boelen PA. (2013) The effectiveness of Grief-Help, a cognitive behavioural treatment for prolonged grief in children: study protocol for a randomised controlled trial. Trials, 395. PMID: 24252587
I am a neuroscientist, and as a neuroscientist I have a strange belief that most of who we are comes from our brains. My entire career is based around understanding behavior from this neural level which I feel to be fairly justifiable. So when I see paper looking at the genetics of behavior, I expect to see at […]... Read more »
Ripke, S., Neale, B., Corvin, A., Walters, J., Farh, K., Holmans, P., Lee, P., Bulik-Sullivan, B., Collier, D., Huang, H.... (2014) Biological insights from 108 schizophrenia-associated genetic loci. Nature, 511(7510), 421-427. DOI: 10.1038/nature13595
Coming from a, to put it gently, very broken home, my babysitter was the television. Yep, so now that you are feeling nice and awkward let’s talk television. New research, […]... Read more »
Linebarger DL, Barr R, Lapierre MA, & Piotrowski JT. (2014) Associations Between Parenting, Media Use, Cumulative Risk, and Children's Executive Functioning. Journal of developmental and behavioral pediatrics : JDBP, 35(6), 367-77. PMID: 25007059
How many times can you say the word “gonad” in a sentence without giggling? If the answer is one, then I congratulate you on turning thirteen. If the answer is many, then you must be a biologist. Biologists appreciate the value of a good gonad, and so should you. The gonad of the worm C. elegans serves as an important model in which to study tissue organization and development, as you’ll see in the paper that accompanies today’s image. At the end of cell division, cytokinesis typical........ Read more »
Amini, R., Goupil, E., Labella, S., Zetka, M., Maddox, A., Labbe, J., & Chartier, N. (2014) C. elegans Anillin proteins regulate intercellular bridge stability and germline syncytial organization. originally published in the Journal of Cell Biology, 206(1), 129-143. DOI: 10.1083/jcb.201310117
The paper by Amanda Wood and colleagues  (open-access) makes a potentially very important contribution to the growing literature looking at how prenatal exposure to sodium valproate (VPA) may affect some children. Authors reported on: "regional structural cortical brain changes in humans exposed to VPA in utero" and specifically, increased cortical thickness in the left inferior frontal gyrus.Lightning and lava @ Oliver Spalt @ Wikipedia In case you need any background on the s........ Read more »
Wood, A., Chen, J., Barton, S., Nadebaum, C., Anderson, V., Catroppa, C., Reutens, D., O'Brien, T., & Vajda, F. (2014) Altered cortical thickness following prenatal sodium valproate exposure. Annals of Clinical and Translational Neurology. DOI: 10.1002/acn3.74
There has been a rash of great white shark sightings and attacks in the news recently. But, have attacks and sightings remained constant, or are they really on the increase? Several news studies provide evidence that the Marine Mammal Protection Act of 1972, the ban on commercial whaling in 1982, and the ban on great white hunting in 1997 have increased the number of sharks on the coasts of the North America and Australia. In addition, great white sharks live much longer than previously assumed,........ Read more »
Burgess GH, Bruce BD, Cailliet GM, Goldman KJ, Grubbs RD, Lowe CG, MacNeil MA, Mollet HF, Weng KC, & O'Sullivan JB. (2014) A Re-Evaluation of the Size of the White Shark (Carcharodon carcharias) Population off California, USA. PloS one, 9(6). PMID: 24932483
Curtis TH, McCandless CT, Carlson JK, Skomal GB, Kohler NE, Natanson LJ, Burgess GH, Hoey JJ, & Pratt HL Jr. (2014) Seasonal Distribution and Historic Trends in Abundance of White Sharks, Carcharodon carcharias, in the Western North Atlantic Ocean. PloS one, 9(6). PMID: 24918579
Sprivulis P. (2014) Western Australia coastal shark bites: A risk assessment. The Australasian medical journal, 7(2), 137-42. PMID: 24611078
Hamady LL, Natanson LJ, Skomal GB, & Thorrold SR. (2014) Vertebral bomb radiocarbon suggests extreme longevity in white sharks. PloS one, 9(1). PMID: 24416189
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