Post List

  • July 7, 2010
  • 08:00 AM

New Brain Peptide Abolishes the “Munchies”

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

Readers may be well aware that the use of cannabis or “hashish” can induce the “munchies”, an acute craving for highly palatable foods.
Now Garron Dodd and colleagues from the University of Manchester, UK, have identified a new brain peptide called hemopressin that acts through cannabinoid receptors to reduce food intake in rats and mice. Their [...]... Read more »

Dodd GT, Mancini G, Lutz B, & Luckman SM. (2010) The peptide hemopressin acts through CB1 cannabinoid receptors to reduce food intake in rats and mice. The Journal of neuroscience : the official journal of the Society for Neuroscience, 30(21), 7369-76. PMID: 20505104  

  • July 7, 2010
  • 08:00 AM

Sending signals is subtle: Killifish’s favourite colours

by Zen Faulkes in NeuroDojo

Making a clear visual signal is tricky. Consider this traffic signal:

(I totally thought I was going to have to photoshop a stop sign, but no.)

Whether this signal is effective depends on a lot of factors. What's the visual environment like? Some colours stand out better in some lighting conditions than others.

More critically for this discussion, what’s the experience of the person the signal is aimed at? And I mean the term broadly. Is the person colour blind? Has the person grown up in........ Read more »

  • July 7, 2010
  • 07:09 AM

A bitter-sweet symphony

by Lorimer Moseley in BodyInMind

Cross-modal associations are intriguing. Why should we prefer to associate certain shapes to certain words? I still remember my brother, although not a psychologist, asking everyone at a family dinner to match the words ‘kiki’ and ‘bouba’ with either a round or spiky shape. If you’re an adept of that kind of entertainment, you might [...]... Read more »

  • July 7, 2010
  • 06:14 AM

Fat – I’m Not To Blame Its My Bugs!

by Michael Ash in Nutri-Link Ltd - Clinical Education

A trial to see if the ingestion of a probiotic bacterium enriched drink might have a beneficial impact on central obesity was funded by Snow Brand Milk Products company in Japan and the results were published in the European Journal of Clinical Nutrition this June 2010. [i]
Whilst it may seem a stretch that bacteria can [...]... Read more »

Bäckhed F, Ding H, Wang T, Hooper LV, Koh GY, Nagy A, Semenkovich CF, & Gordon JI. (2004) The gut microbiota as an environmental factor that regulates fat storage. Proceedings of the National Academy of Sciences of the United States of America, 101(44), 15718-23. PMID: 15505215  

Naoki Takemura, Takuma Okubo, & Kei Sonoyama. (2010) Lactobacillus plantarum strain No. 14 reduces adipocyte size in mice fed high-fat diet. Experimental Biology and Medicine . info:/20558839

  • July 7, 2010
  • 04:07 AM

Lecturers should provide powerpoint handouts before the lecture

by BPS Research Digest in BPS Research Digest

The common-sense arguments for and against providing students with slide handouts before a lecture are well rehearsed. Having the handouts means students need take fewer notes, therefore allowing them to sit back and actually listen to what's said. Withholding the handouts, by contrast, entices students to make more notes, perhaps ensuring that they're more engaged with the lecture material rather than mind-wandering.

Elizabeth Marsh and Holli Sink began their investigation of this issue by sur........ Read more »

  • July 7, 2010
  • 03:30 AM

Top Ten Excuses for World Cup Football Failures (with citations)

by Duncan Hull in O'Really?

Football fever grips the globe as we reach the final stages of the 2010 FIFA World Cup in South Africa. Alongside the traditional game where one winning team takes all, leaving 31 losing teams to go home earlier than expected, there is another competition running in parallel. Which losing team can come up with the [...]... Read more »

Lucifora, C., & Simmons, R. (2003) Superstar Effects in Sport: Evidence From Italian Soccer. Journal Of Sports Economics, 4(1), 35-55. DOI: 10.1177/1527002502239657  

Zak, P., Kurzban, R., Ahmadi, S., Swerdloff, R., Park, J., Efremidze, L., Redwine, K., Morgan, K., & Matzner, W. (2009) Testosterone Administration Decreases Generosity in the Ultimatum Game. PLoS ONE, 4(12). DOI: 10.1371/journal.pone.0008330  

Elmar Bittner, Andreas Nussbaumer, Wolfhard Janke, & Martin Weigel. (2006) Football fever: goal distributions and non-Gaussian statistics. Eur. Phys. J. B 67, 459 (2009). arXiv: physics/0606016v1

Goff, J., & Carré, M. (2010) Soccer ball lift coefficients via trajectory analysis. European Journal of Physics, 31(4), 775-784. DOI: 10.1088/0143-0807/31/4/007  

Kranjec, A., Lehet, M., Bromberger, B., & Chatterjee, A. (2010) A Sinister Bias for Calling Fouls in Soccer. PLoS ONE, 5(7). DOI: 10.1371/journal.pone.0011667  

Wayne C. Naidoo, & Jules R. Tapamo. (2006) Soccer video analysis by ball, player and referee tracking. SAICSIT '06: Proceedings of the 2006 annual research conference of the South African institute of computer scientists and information technologists on IT research in developing countries. DOI: 10.1145/1216262.1216268  

  • July 7, 2010
  • 03:10 AM

Some like it flat. Flat carbon flat nitrogen

by Rik in NNNS chemistry blog

We are quite used to a trigonal pyramidal molecular geometry for trivalent nitrogen and a tetrahedral one for tetravalant carbon. It does not have to be that way. For example in the compound class of the fenestranes the central carbon atom is flattened and so is the central nitrogen atom in triisopropylamine. Two recent publications describe more flattening: of nitrogen and of carbon.
... Read more »

Jie, Y., Livant, P., Li, H., Yang, M., Zhu, W., Cammarata, V., Almond, P., Sullens, T., Qin, Y., & Bakker, E. (2010) An Acyclic Trialkylamine Virtually Planar at Nitrogen. Some Chemical Consequences of Nitrogen Planarity. The Journal of Organic Chemistry, 75(13), 4472-4479. DOI: 10.1021/jo100628v  

Cooper, O., Wooles, A., McMaster, J., Lewis, W., Blake, A., & Liddle, S. (2010) A Monomeric Dilithio Methandiide with a Distorted trans-Planar Four-Coordinate Carbon. Angewandte Chemie International Edition. DOI: 10.1002/anie.201002483  

  • July 7, 2010
  • 03:02 AM

Is Money the Arbitrator of the Fine Line Between Self-Interest and Community Spirit?

by Psychothalamus in Psychothalamus

Does money serve as a great incentive and motivator or does it serve to undermine relationships? At the heart of the debate for society, this is akin to the perennial capitalism vis-à-vis communism conflict. And perhaps the truth is that they are both are right.Vohs, Mead & Goode's (2006) nine experimental studies, which culminated into an illuminating piece of work titled The Psychological Consequences of Money, found that both characteristics of money - a great incentive or an ........ Read more »

Vohs, K., Mead, N., & Goode, M. (2006) The Psychological Consequences of Money. Science, 314(5802), 1154-1156. DOI: 10.1126/science.1132491  

  • July 7, 2010
  • 02:57 AM

Men, English, and international romance

by Lachlan Jackson in Language on the Move

“Japanese guys aren’t the most popular creatures on earth when it comes to romance. Sad but true.” That’s the claim of Meiko Mochizuki Swartz, self-professed bilingual, bicultural ‘expert’ and author of an online book titled Nihonjin no Otoko wa Motenai … Continue reading →... Read more »

Piller, Ingrid . (2006) A passion for English: desire and the language market. Aneta Pavlenko. Ed. Bilingual minds: Emotional experience, expression, and representation (Clevedon: Multilingual Matters, 59-83. info:/

  • July 7, 2010
  • 02:46 AM

what the Dunning-Kruger effect is and isn’t

by Tal Yarkoni in citation needed

If you regularly read cognitive science or psychology blogs (or even just the lowly New York Times!), you’ve probably heard of something called the Dunning-Kruger effect. The Dunning-Kruger effect refers to the seemingly pervasive tendency of poor performers to overestimate their abilities relative to other people–and, to a lesser extent, for high performers to underestimate [...]... Read more »

  • July 7, 2010
  • 02:28 AM

Gender Diffrence Panic Disoder Explained?

by Dr Shock in Dr Shock MD PhD

Women process threats and aggressive stimuli different than men, differences in the activation of brain regions participating in the fear circuitry. This might be an important factor contributing to the increased likelihood of women to develop panic disorder compared to men. If in women activation differs in parts of the fear circuitry, this could explain [...]

Related posts:Gender Differences in Empathy
Gender differences in frontal lobes
Gender and Medical Education
... Read more »

Patricia Ohrmann, M.D.,, Anya Pedersen, Ph.D., Miriam Braun, M.D.,, Jochen Bauer, M.Sc.,, Harald Kugel, Ph.D.,, Anette Kersting, M.D.,, Katharina Domschke, M.D.,, Jurgen Deckert, M.D.,, & Thomas Suslow, Ph.D. (2010) EFFECT OF GENDER ON PROCESSING THREAT-RELATED STIMULI IN PATIENTS WITH PANIC DISORDER: SEX DOES MATTER. Depression . info:/10.1002/da.20721

  • July 6, 2010
  • 05:36 PM

Rethinking Criminology(ies)

by Kevin Karpiak in Anthropoliteia: the anthropology of policing

As I try to put together a course on “Policing in Society” for the upcoming semester at the same time that I try to figure out for myself the place of anthropology in criminology (or vice versa, or somesuch). I came across this article, which I think has particular potential for our discussions here: Rethinking [...]... Read more »

  • 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  

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