Post List

  • July 6, 2010
  • 05:15 PM

Neury Thursday (Long Weekend Edition): Dopaminergic and Amygdalar Explanations for not waiting for discounted iPads

by Allison in Dormivigilia

British neuroscientists have elucidated that L-dopa treatment increases impulsivity and subsequently decreases amygdalar activity, identifying novel neural substrates of impulsiveness and suggesting alternative modes of treatment for Parkinson's... Read more »

Pine A, Shiner T, Seymour B, & Dolan RJ. (2010) Dopamine, time, and impulsivity in humans. The Journal of neuroscience : the official journal of the Society for Neuroscience, 30(26), 8888-96. PMID: 20592211  

  • July 6, 2010
  • 03:47 PM

Bees, Cell phones, and BS (again)

by bug_girl in Bug Girl's Blog

The interwebs are all abuzz (ha!) with a new report that cellphones might be responsible for the losses in honeybee populations. Specifically, the news stories reference this paper: Ved Parkash Sharma and Neelima R. Kumar (2010). Changes in honeybee behaviour and biology under the influence of cellphone radiations Current Science, 98 (10), 1376-1378 It’s a [...]... Read more »

Ved Parkash Sharma and Neelima R. Kumar. (2010) Changes in honeybee behaviour and biology under the influence of cellphone radiations. Current Science, 98(10), 1376-1378. info:/

  • July 6, 2010
  • 02:54 PM

Mercola: Truer Words Were Never Written?

by KWombles in Countering...

Mercola, webster of woo, he of the get your vitamin D through our tanning bed fame, has a new post up at Huffington Post. I tell you, I find it endlessly comforting to know that these medically-related articles are reviewed by Ornish, you know? Okay, not.Can Huffington Post put up a health related piece that isn't woo? I mean, can they?Mercola's latest is on aspartame. I won't go into all the details relating to his assertion that aspartame is more evil than the devil. Aspartame has received a f........ Read more »

Whitehouse, C., Boullata, J., & Mccauley, L. (2008) The Potential Toxicity of Artificial Sweeteners. AAOHN Journal, 56(6), 251-259. DOI: 10.3928/08910162-20080601-02  

  • July 6, 2010
  • 02:44 PM

Happine$$: Money does buy you life satisfaction, but for feeling good rely on psychosocial capital

by sandygautam in The Mouse Trap

Image via Wikipedia A new and important research paper by Ed Diener et al has been recently published in JPSP and you should read the paper in full by requesting reprint using this page (this is how I got access to the paper) . It is very lucidly written and bears upon an important question: More >Rating: 0.0/10 (0 votes cast)

Related posts:Is low IQ the cause of income inequality and low life expectancy or is it the other way round? As per this post from the BPS research digest, Kanazawa......... Read more »

  • July 6, 2010
  • 02:39 PM

Watery Grave

by Journal Watch Online in Journal Watch Online

The acidification of the oceans, expected to result from rising atmospheric carbon dioxide levels, could dramatically increase the number of fish larvae deaths in some species, scientists warn.
Some larval fish use their sense of smell to detect predators and navigate their way toward the correct habitat. But previous studies have shown that acidification of […] Read More »... Read more »

Munday, P.L. et al. (2010) Replenishment of fish populations is threatened by ocean acidification. Proceedings of the National Academy of Sciences. info:/10.1073/pnas.1004519107

  • July 6, 2010
  • 01:23 PM

Funky Worms Cause Ants to Mimic Fruit

by Laelaps in Laelaps

A normal giant gliding ant (left) and an infested ant (right). The red color of the gaster is not caused by a pigment, but thinning of the exoskeleton combined with the color of the nematode eggs. From Yanoviak et al, 2008.

In one of my favorite episodes of the animated TV show Futurama, the chief protagonist - delivery boy Philip J. Fry - becomes infested with worms after eating a dodgy egg-salad sandwich purchased from the restroom of an interstellar truck stop. Lucky for Fry, the parasite........ Read more »

Yanoviak, S., Kaspari, M., Dudley, R., & Poinar, G. (2008) Parasite‐Induced Fruit Mimicry in a Tropical Canopy Ant. The American Naturalist, 171(4), 536-544. DOI: 10.1086/528968  

  • July 6, 2010
  • 12:28 PM

ResearchBlogCast #10: Does being a little crazy make you more creative?

by Dave Munger in News

Throughout history we’ve seen examples of artists and others who, while possessing amazing talent, also don’t seem “normal.” Whether it be tormented artists like Vincent van Gogh, or the stereotype of the “mad scientist,” it often seems like a little schizophrenia might underlie amazing genius.
In fact, some psychological studies have found that schizophrenics do tend [...]... Read more »

  • July 6, 2010
  • 11:42 AM

Brain Stimulation Can Stop the Rock

by Neuroskeptic in Neuroskeptic

Isn't it annoying when you get a song stuck in your head? Like, say, this one:Stop the rock, stop the rockStop the rock, stop the rockStop the rock, can't stop the rockYou can't stop the rock, stop the rockStop the rock, can't stop the rockYou can't stop the rock, can't stop the rock. etc.- Apollo 440, "Stop the Rock"You will probably be stuck with that tune for a few minutes, but with any luck it'll go away eventually. However, for the 63-year old Italian man reported on in a new paper by Cosen........ Read more »

Cosentino, G., Giglia, G., Palermo, A., Panetta, M., Lo Baido, R., Brighina, F., & Fierro, B. (2010) A case of post-traumatic complex auditory hallucinosis treated with rTMS. Neurocase, 16(3), 267-272. DOI: 10.1080/13554790903456191  

  • July 6, 2010
  • 10:05 AM

Tyrannosaurus Didn’t Have the Nerve to Run Fast

by Brian Switek in Dinosaur Tracking

It was one of the most memorable scenes in Jurassic Park—a hungry Tyrannosaurus rex chasing after Ian Malcolm, Ellie Sattler and Robert Muldoon as they make their escape in a Jeep. It was also among the moments that probably made paleontologists in the audience facepalm. Tyrannosaurus was fearsome, but it was way too big to [...]... Read more »

More, H., Weber, D., Hutchinson, J., Aung, S., Collins, D., & Donelan, M. (2009) Scaling of sensorimotor control in terrestrial mammals. Comparative Biochemistry and Physiology - Part A: Molecular , 153(2). DOI: 10.1016/j.cbpa.2009.04.510  

  • July 6, 2010
  • 10:00 AM

Do Language Universals Exist?

by gameswithwords in Games with Words

Is there an underlying structure common to all languages? There are at least two arguments in favor of that position. One is an in principle argument, and one is based on observed data.

Since Chomsky, many researchers have noted that language would be impossible to learn if one approached it without preconceptions. It's like solving for 4 variables with only 3 equations -- for those of you who have forgotten your math, that can't be done. Quine pointed out the problem for semantics, but the pro........ Read more »

  • July 6, 2010
  • 09:47 AM

Focalism: What are you missing?

by David Winter in Careers - in Theory

What makes us neglect obvious information that could help us make better predictions about our future happiness?... Read more »

Wilson, T., Wheatley, T., Meyers, J., Gilbert, D., & Axsom, D. (2000) Focalism: A source of durability bias in affective forecasting. Journal of Personality and Social Psychology, 78(5), 821-836. DOI: 10.1037//0022-3514.78.5.821  

Gilbert DT, Pinel EC, Wilson TD, Blumberg SJ, & Wheatley TP. (1998) Immune neglect: a source of durability bias in affective forecasting. Journal of personality and social psychology, 75(3), 617-38. PMID: 9781405  

  • July 6, 2010
  • 09:36 AM

Killing us slowly

by CJA Bradshaw in ConservationBytes

I’m currently attending the 2010 International Congress for Conservation Biology in Edmonton, Canada. I thought it would be good to tweet and blog my way through on topics that catch my attention. This is my second post from the conference. – I silently scoffed inside when the plenary speaker was being introduced. It was boldly claimed that [...]... Read more »

  • July 6, 2010
  • 09:32 AM

Diabetes Drug Rosiglitazone About to Be Pulled Off the Market?

by Steve Parker, M.D. in Diabetic Mediterranean Diet Blog

It’s over for rosiglitazone. Sold in the U.S. as Avandia, rosiglitazone is a drug used to control type 2 diabetes either alone or in combination with insulin, metformin, or a sulfonylurea.  It has only one competitor in its class: pioglitazone (sold as Actos). Both drugs in the thiazolidinedione class (aka TZDs or glitazones) increase the risk [...]... Read more »

  • July 6, 2010
  • 08:00 AM

Obesity: What’s in a Name?

by Arya M. Sharma in Dr. Sharma's Obesity Notes

The News Section of this week’s edition of the Canadian Medical Association Journal (CMAJ) features an article by Roger Collier, in which I am extensively quoted with regard to wether or not health professionals should use the term “obesity”.
Regular readers of these pages will be quite familiar with my views on this issu. Readers may [...]... Read more »

Sharma AM, & Kushner RF. (2009) A proposed clinical staging system for obesity. International journal of obesity (2005), 33(3), 289-95. PMID: 19188927  

  • July 6, 2010
  • 06:12 AM

Man-eating lions and their decision-making

by Sarah Stephen in Our Gossamer Planet

Should one learn from the past or dismiss it as something of no relevance? Well, Justin Yeakel, of the University of California Santa Cruz, and collaborators (from Field Museum of Natural History in Chicago, University of Puget Sound, University of Cambridge, and University of Utah) seems to think otherwise as exemplified by their paper, ‘Cooperation and individuality among man-eating lions’, in the Proceedings of the National Academy of Sciences.Historical BackgroundLet’s go back to March........ Read more »

Yeakel, J., Patterson, B., Fox-Dobbs, K., Okumura, M., Cerling, T., Moore, J., Koch, P., & Dominy, N. (2009) From the Cover: Cooperation and individuality among man-eating lions. Proceedings of the National Academy of Sciences, 106(45), 19040-19043. DOI: 10.1073/pnas.0905309106  

  • July 6, 2010
  • 06:11 AM

positive allometry & the prehistory of sexual selection

by alison in bioblog

Thanks to herr doktor bimler & the University's science librarian, I now have my hands on two copies of the paper I mentioned a couple of posts ago: Positive allometry & the prehistory of sexual selection (Tomkins et al., 2010). The term 'allometry'...... Read more »

Tomkins JL, Lebas NR, Witton MP, Martill DM, & Humphries S. (2010) Positive Allometry and the Prehistory of Sexual Selection. The American naturalist. PMID: 20565262  

  • July 6, 2010
  • 05:30 AM

Built environments impact on obesity through food, not fitness.

by Yoni Freedhoff in Weighty Matters

Chalk up another causal win to food in the battle of what's responsible for our current obesity epidemic - this time in the arena of built environment.Built environment is the term given to the neighbourhood you live in. It has to do with things like walkability, parks, bike paths, sidewalks and all the various and sundry that city planners can do to try to shape your use of where you live.Built environment is also a hot button issue at obesity conferences with researchers trying to find ways to........ Read more »

Raja, S., Li Yin, ., Roemmich, J., Changxing Ma, ., Epstein, L., Yadav, P., & Ticoalu, A. (2010) Food Environment, Built Environment, and Women's BMI: Evidence from Erie County, New York. Journal of Planning Education and Research, 29(4), 444-460. DOI: 10.1177/0739456X10367804  

  • July 6, 2010
  • 02:35 AM

Under-representation of women in academic bioscience

by Dr Shock in Dr Shock MD PhD

Although 50% of women receive graduate degrees in biology in the US only 27% of faculty members is female. In Europe conditions are far worse on academic careers for women, especially in the medical academic workforce.
Only 1 in 10 medical clinical professors are women in the United Kingdom (UK). No female professor was employed in [...]

Related posts:Women in the medical academic workforce
Gender and Medical Education
The Effect of Gender on Clerkship during Medical Education
... Read more »

No authors listed. (2010) Crossing the gender divide. Nature Medicine, 16(5), 491-491. DOI: 10.1038/nm0510-491  

  • July 6, 2010
  • 01:30 AM

This Week in the Universe: June 29th – July 5th

by S.C. Kavassalis in The Language of Bad Physics

What have people been talking about this week in high energy physics, astrophysics, gravitation, general relativity and quantum gravity?

Sorry for the very half-assed post, it’s midnight in Mexico City and it was a long day at GR19.... Read more »

Eugenio J. Rivera, Gregory Laughlin, R. Paul Butler, Steven S. Vogt, Nader Haghighipour, & Stefano Meschiari. (2010) The Lick-Carnegie Exoplanet Survey: A Uranus-mass Fourth Planet for GJ 876 in an Extrasolar Laplace Configuration. arXiv. arXiv: 1006.4244v1

Michel-Dansac, L., Duc, P., Bournaud, F., Cuillandre, J., Emsellem, E., Oosterloo, T., Morganti, R., Serra, P., & Ibata, R. (2010) A COLLISIONAL ORIGIN FOR THE LEO RING. The Astrophysical Journal, 717(2). DOI: 10.1088/2041-8205/717/2/L143  

Eisenhardt, P., Griffith, R., Stern, D., Wright, E., Ashby, M., Brodwin, M., Brown, M., Bussmann, R., Dey, A., Ghez, A.... (2010) ULTRACOOL FIELD BROWN DWARF CANDIDATES SELECTED AT 4.5 μm. The Astronomical Journal, 139(6), 2455-2464. DOI: 10.1088/0004-6256/139/6/2455  

Andersson, N. (2010) Gravity: Trying to catch the wave. Nature Physics, 6(7), 484-485. DOI: 10.1038/nphys1723  

Mendoza, M., Boghosian, B., Herrmann, H., & Succi, S. (2010) Fast Lattice Boltzmann Solver for Relativistic Hydrodynamics. Physical Review Letters, 105(1). DOI: 10.1103/PhysRevLett.105.014502  

Luis Lehner, & Frans Pretorius. (2010) Black Strings, Low Viscosity Fluids, and Violation of Cosmic Censorship. arXiv. arXiv: 1006.5960v1

Jonathan J. Heckman, & Cumrun Vafa. (2010) An Exceptional Sector for F-theory GUTs. arXiv. arXiv: 1006.5459v1

  • July 5, 2010
  • 10:45 PM

The Tide Pool: Super Sperm Whales, Extinction Debts, and Vent Conservation

by Dr. M in Deep Sea News

An occasional series where we briefly report 3 new studies and tell you why they are cool!
A new report from Lambert et al. reports on a new fossil sperm whale skull, teeth, and mandible from Peru. Dating back to the 12-13 Mya from the Middle Miocene, Leviantha melvillei possessed a 3 meter (~10 feet) long head . . . → Read More: The Tide Pool: Super Sperm Whales, Extinction Debts, and Vent Conservation... Read more »

Lambert, O., Bianucci, G., Post, K., de Muizon, C., Salas-Gismondi, R., Urbina, M., & Reumer, J. (2010) The giant bite of a new raptorial sperm whale from the Miocene epoch of Peru. Nature, 466(7302), 105-108. DOI: 10.1038/nature09067  

Triantis, K., Borges, P., Ladle, R., Hortal, J., Cardoso, P., Gaspar, C., Dinis, F., Mendonça, E., Silveira, L., Gabriel, R.... (2010) Extinction debt on oceanic islands. Ecography. DOI: 10.1111/j.1600-0587.2010.06203.x  

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