Post List

  • November 18, 2014
  • 12:05 AM
  • 87 views

Psychological Strategies Effectively Reduce Perceived and Physiological Markers of Stress

by Caitlin Dios & Bryan Pope in Sports Medicine Research (SMR): In the Lab & In the Field

Both cognitive and somatic relaxation strategies reduce perceived stress and physiological markers of stress.... Read more »

  • November 17, 2014
  • 05:43 PM
  • 10 views

Applications of homologous recombination-mediated genome engineering

by Jimann Shin in the Node

We recently demonstrated an improved method for homologous recombination (HR)-mediated genome editing using TALEN (Transcription activator-like effector nuclease) in zebrafish (Shin et al., 2014). In the study, we identified that a total of 3kb of homology in the targeting construct, 1kb of one arm and 2kb of the other arm, is sufficient to induce HR-mediated knock-in. […]... Read more »

  • November 17, 2014
  • 04:23 PM
  • 13 views

A TALE OF LIMBS AND GENITALS

by patricktschopp in the Node

The morphological evolution of limbs and external genitalia were both essential adaptions to a life on land. While the former deals with the novel locomotory challenges facing an animal invading a terrestrial environment, the latter is concerned with something even more essential: reproduction! Living on land means that gametes can no longer be fertilized externally […]... Read more »

Kondo T, Zákány J, Innis JW, & Duboule D. (1997) Of fingers, toes and penises. Nature, 390(6655), 29. PMID: 9363887  

Yamada, G., Suzuki, K., Haraguchi, R., Miyagawa, S., Satoh, Y., Kamimura, M., Nakagata, N., Kataoka, H., Kuroiwa, A., & Chen, Y. (2006) Molecular genetic cascades for external genitalia formation: An emerging organogenesis program. Developmental Dynamics, 235(7), 1738-1752. DOI: 10.1002/dvdy.20807  

Tschopp, P., Sherratt, E., Sanger, T., Groner, A., Aspiras, A., Hu, J., Pourquié, O., Gros, J., & Tabin, C. (2014) A relative shift in cloacal location repositions external genitalia in amniote evolution. Nature. DOI: 10.1038/nature13819  

Wagner, G. (2007) The developmental genetics of homology. Nature Reviews Genetics, 8(6), 473-479. DOI: 10.1038/nrg2099  

Shubin, N., Tabin, C., & Carroll, S. (2009) Deep homology and the origins of evolutionary novelty. Nature, 457(7231), 818-823. DOI: 10.1038/nature07891  

  • November 17, 2014
  • 03:33 PM
  • 77 views

The (Re)discovery of a major brain pathway

by Gabriel in Lunatic Laboratories

It was like something out of a mystery movie, a couple of years ago a scientist, looking at dozens of MRI scans of human brains noticed something surprising. A large, fiber pathway that seemed to be part of the network of connections that process visual information showed up on the scans, but the researcher couldn’t find it mentioned in any of the modern-day anatomy textbooks he had.... Read more »

Brian Wandell, Jason Yeatman, & Kevin Weiner. (2014) The vertical occipital fasciculus: A century of controversy resolved by in vivo measurements. Proceedings of the National Academy of Sciences. info:/10.1073/pnas.1418503111

  • November 17, 2014
  • 11:54 AM
  • 66 views

That’s a Higgs but how many?

by Marco Frasca in The Gauge Connection

CMS and ATLAS collaborations are yet up to work producing results from the datasets obtained in the first phase of activity of LHC. The restart is really near the corner and, maybe already the next summer, things can change considerably. Anyway what they get from the old data can be really promising and rather intriguing. […]... Read more »

Marco Frasca. (2013) Scalar field theory in the strong self-interaction limit. Eur. Phys. J. C (2014) 74:2929. arXiv: 1306.6530v5

Marco Frasca. (2012) Classical solutions of a massless Wess-Zumino model. J.Nonlin.Math.Phys. 20:4, 464-468 (2013). arXiv: 1212.1822v2

  • November 17, 2014
  • 10:55 AM
  • 8 views

Eating Disorders in Obesity: DSM-IV and DSM-5

by William Yates, M.D. in Brain Posts

The recent revision of the American Psychiatric Associations Diagnostic and Statistical Manual for Mental Disorders, Fifth Edition (DSM-5) altered several eating disorder diagnostic criteria.Some have expressed concern that these revisions are overly broad and may result in over diagnosis in some clinical populations. One clinical population where this is a concern is obesity.A research study has been recently published addressing this issue.Jennifer Thomas and colleagues at Harvard University a........ Read more »

  • November 17, 2014
  • 09:15 AM
  • 87 views

Habits and learning

by Janet Kwasniak in Neuro-patch

Habits allow us to perform actions without attending to every detail; we can do complex things and more than one action at a time without overloading our cognitive and motor systems. They are goal-directed macro actions made up of a sequence of simple primitive actions. A habit allows a complex action to be launched as […]... Read more »

Balderas, G. (2014) Habits as learning enhancers. Frontiers in Human Neuroscience. DOI: 10.3389/fnhum.2014.00918  

  • November 17, 2014
  • 07:08 AM
  • 84 views

How guessing the wrong answer helps you learn the right answer

by BPS Research Digest in BPS Research Digest

Guessing, even wrongly, is thought toactivate webs of knowledge, which leadsto richer encoding of the correct answer. It's well known that taking tests helps us learn. The act of retrieving information from memory helps that information stick. This seems intuitive. More surprising is the recent discovery that guessing aids subsequent learning of the correct answer, even if your initial guess was wrong.Let's consider a simple example in the context of learning capital cities. Imagine you don........ Read more »

  • November 17, 2014
  • 04:41 AM
  • 73 views

Social anxiety in one in four adults with autism

by Paul Whiteley in Questioning Answers

"Twenty-eight percent (14 of 50) of individuals with ASD [autism spectrum disorder] fulfilled the diagnostic criteria for SAD [social anxiety disorder]"."I am Vulcan, sir. We embrace technicality."So said the findings reported by Susanne Bejerot and colleagues [1] (open-access) as part of their investigations looking at SAD occurrence among adults diagnosed with ASD. Once again the sometimes very disabling issue of anxiety resurfaces with autism in mind. Before going on, I'm minde........ Read more »

Bejerot S, Eriksson JM, & Mörtberg E. (2014) Social anxiety in adult autism spectrum disorder. Psychiatry research. PMID: 25200187  

  • November 17, 2014
  • 12:05 AM
  • 63 views

Tag Us In! What Do Coaches Know About Exertional Heat Stroke and the Role of the Athletic Trainer?

by Yanira Dawson, Crystal Petrus, Savannah Kuester in Sports Medicine Research (SMR): In the Lab & In the Field

High school football coaches are confident in their ability to handle exertional heat stroke but their knowledge is limited in this area. The coaches value and understand the role of athletic trainers.... Read more »

  • November 16, 2014
  • 08:05 PM
  • 74 views

Canine science catch up: 16-30 September 2014

by Cobb & Hecht in Do You Believe In Dog?

Gosh, it's been a busy ride since posting the excellent guest post by research, Cat Reeve, about her interesting detector dog research.  So now it's time to play catch up, starting with the canine science related things that we noticed in the second half of September, captured with the help of Storify - did you miss any of these?[View the story "Do You Believe in Dog? [16 - 30 September 2014]" on Storify]Further reading (some of the abstracts from Canine Science Forum 2014 now available):We........ Read more »

Westgarth Carri, & Hayley E. Christian. (2014) How can we motivate owners to walk their dogs more?. Journal of Veterinary Behavior: Clinical Applications and Research, 9(6). DOI: http://dx.doi.org/10.1016/j.jveb.2014.09.023  

Horowitz Alexandra, & Hecht Julie . (2014) Categories and consequences of dog-human play: A citizen science approach. Journal of Veterinary Behavior: Clinical Applications and Research, 9(6). DOI: http://dx.doi.org/10.1016/j.jveb.2014.09.052  

Browne Clare M., T. Mary Foster, & James S. McEwan. (2014) Dog training: Reinforcement timing and owner body language. Journal of Veterinary Behavior: Clinical Applications and Research, 9(6). DOI: http://dx.doi.org/10.1016/j.jveb.2014.09.059  

  • November 16, 2014
  • 01:47 PM
  • 88 views

Soldiers and Suicide: A familiar tale

by Gabriel in Lunatic Laboratories

As a Marine, there is a special place in my heart for all things military. While most protesters are busy arguing about the people who are dying overseas, there is an even more disheartening statistic — the suicide statistics of service members here at home. Suicide is an ugly word, so it’s no surprise that there is not a large movement fighting for better care and a new study done on soldiers doesn’t help.... Read more »

  • November 16, 2014
  • 02:43 AM
  • 91 views

Bilingual students at the crossroads

by Livia Gerber in Language on the Move

Secondary education as a monolingual fork in the road Let me bust a prevalent urban myth: You do not need to be bi- or multilingual to become a linguist. There, busted. In fact, being bilingual initially brought me to a … Continue reading →... Read more »

  • November 15, 2014
  • 12:09 PM
  • 95 views

Telomeres, Epigenetics, and Aging: the new found complexities in your genes

by Gabriel in Lunatic Laboratories

Telomere length is associated with aging, this isn’t a new statement, but interestingly enough there is more to this story than just the size of your telomeres. Telomere lengths have now been shown to cause epigenetic changes, this new discovery may help explain the aging of cells and how they initiate and transmit disease.... Read more »

Jerome D. Robin,, Andrew T. Ludlow,, Kimberly Batten,, Frederique Magdinier,, Guido Stadler,, Kathyrin R. Wagner,, Jerry W. Shay,, & Woodring E. Wright. (2014) Telomere position effect: regulation of gene expression with progressive telomere shortening over long distances. Genes . info:/

  • November 15, 2014
  • 07:28 AM
  • 157 views

How Your Facebook Updates Reveal Your Personality

by Neuroskeptic in Neuroskeptic_Discover

The words you use in your Facebook profile reveal much about your personality, according to psychologists Gregory Park and colleagues in a new study just published. Based on a study of 71,000 Facebook users who reported their personality using an app, Park et al. found some quite unexpected words to be associated with given personality […]The post How Your Facebook Updates Reveal Your Personality appeared first on Neuroskeptic.... Read more »

Park G, Schwartz HA, Eichstaedt JC, Kern ML, Kosinski M, Stillwell DJ, Ungar LH, & Seligman ME. (2014) Automatic Personality Assessment Through Social Media Language. Journal of personality and social psychology. PMID: 25365036  

  • November 15, 2014
  • 04:40 AM
  • 92 views

Milk has gotta lotta bottle?

by Paul Whiteley in Questioning Answers

"High milk intake was associated with higher mortality in one cohort of women and in another cohort of men, and with higher fracture incidence in women". Those were some of the conclusions reached in the study by Karl Michaëlsson and colleagues [1] (open-access) looking at milk consumption and "mortality and fractures in women and men". The BBC among other media have covered the study (see here).Take me out tonightBased on quite a large participant group (two actually) who completed a food........ Read more »

Michaelsson, K., Wolk, A., Langenskiold, S., Basu, S., Warensjo Lemming, E., Melhus, H., & Byberg, L. (2014) Milk intake and risk of mortality and fractures in women and men: cohort studies. BMJ, 349(oct27 1). DOI: 10.1136/bmj.g6015  

  • November 14, 2014
  • 07:20 PM
  • 115 views

Evolutionary Sins: The Gender Gap In Spatial Cognition And Navigation

by Alexis Delanoir in How to Paint Your Panda

Recent research based on the Twe and Tjimba people of northwestern Namibia is suggested to lend evidence that gender gaps in spatial cognition are a result of evolutionary pressures, as men with higher spatial cognition are more successful in these tribes at mating and producing offspring. This post examines the literature and comes to a different conclusion, warning against hasty evolutionary explanations for behavioural traits.... Read more »

  • November 14, 2014
  • 03:38 PM
  • 160 views

Post-Operative Kidney Function in Living Kidney Donors vs. Renal Cell Cancer

by Cristy at Living Donor 101 in Living Donors Are People Too

The authors compared 94 pairs of living kidney donors and folks who underwent nephrectomy due a cancerous kidney tumor. Median pre-nephrectomy GFR was nearly equal for both groups. But:   In living kidney donors, median eGFR decreased by 34.4 % immediately after surgery. Compared with matched RN-patients, immediate postoperative [kidney function] is significantly more pronounced.   …
Continue reading »
The post Post-Operative Kidney Function in Living Kidney Donors vs. Ren........ Read more »

  • November 14, 2014
  • 02:39 PM
  • 85 views

Chlamydia and Cancer: A new connection

by Gabriel in Lunatic Laboratories

Infections due to the sexually transmitted bacterium Chlamydia trachomatis often remain unnoticed. The pathogen is not only a common cause of female infertility; it is also suspected of increasing the risk of abdominal cancer. A new study has now observed the breakdown of an important endogenous protective factor in the course of chlamydial infection. In other words, the pathogen can cause an increased risk of certain cancers.... Read more »

González E, Rother M, Kerr MC, Al-Zeer MA, Abu-Lubad M, Kessler M, Brinkmann V, Loewer A, & Meyer TF. (2014) Chlamydia infection depends on a functional MDM2-p53 axis. Nature communications, 5201. PMID: 25392082  

  • November 14, 2014
  • 02:00 PM
  • 74 views

The Friday Five for 11/14/2014

by Bill Sullivan in The 'Scope

New Friday Five at THE ‘SCOPE! Cool science news! #diets #Interstellar #cats #ozzy... Read more »

Montague, M., Li, G., Gandolfi, B., Khan, R., Aken, B., Searle, S., Minx, P., Hillier, L., Koboldt, D., Davis, B.... (2014) Comparative analysis of the domestic cat genome reveals genetic signatures underlying feline biology and domestication. Proceedings of the National Academy of Sciences. DOI: 10.1073/pnas.1410083111  

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