Post List

  • April 18, 2011
  • 08:00 AM

Mass Murderer Psychology – The Patterns of Horror

by Shaheen Lakhan in Brain Blogger

My first reaction on learning about the Realengo school shootings in Rio de Janeiro was to feel tremendous, almost physical pain at trying to imagine what could possess a man to shoot little children at random. After writing about how I felt and the implications of the event, I came across the murderer’s letter on [...]... Read more »

Meloy JR, Hempel AG, Mohandie K, Shiva AA, & Gray BT. (2001) Offender and offense characteristics of a nonrandom sample of adolescent mass murderers. Journal of the American Academy of Child and Adolescent Psychiatry, 40(6), 719-28. PMID: 11392351  

Myers, W. (2004) Serial murder by children and adolescents. Behavioral Sciences , 22(3), 357-374. DOI: 10.1002/bsl.590  

  • April 18, 2011
  • 07:21 AM

Smoking makes impulsive teen rats even more impulsive

by dj in Neuropoly

It’s one of the truisms of human life that teenagers often do silly, stupid and/or dangerous things. We certainly don’t need science to tell us that. One reason this seems to be the case is that, on average, teens have trouble optimally weighing risk vs. reward. I’m not excluding myself from this characterization. In fact, [...]... Read more »

Counotte DS, Goriounova NA, Li KW, Loos M, van der Schors RC, Schetters D, Schoffelmeer AN, Smit AB, Mansvelder HD, Pattij T.... (2011) Lasting synaptic changes underlie attention deficits caused by nicotine exposure during adolescence. Nature neuroscience, 14(4), 417-9. PMID: 21336271  

  • April 18, 2011
  • 07:14 AM

Practitioner Views on Supply Chain Risk Management

by Daniel Dumke in SCRM Blog - Supply Chain Risk Management

In 2005 Uta Jüttner was researcher at the Cranfield University, UK, especially renowned for several minds working on supply chain risk management, like Martin Christopher or Denis Towill.

Key in understanding this field of research is to make an inquiry into how supply chain risks are managed in business environments. Jüttner first laid grounds for this by some conceptual work, I introduced here a while ago

Jüttner used an exploratory, quantitative survey. They selected 17........ Read more »

  • April 18, 2011
  • 07:02 AM

The power of first impressions

by Doug Keene in The Jury Room

When we run mock trials or focus groups we are often asked why the video clips we show of witnesses are so short. Most often we recommend a clip that is 6-8 minutes long. “Wait!” say our clients. “This person will testify for hours. I want to be sure they have a good sense of [...]

Related posts:Witness Preparation: First impressions REALLY do matter!
“I didn’t know truth had a gender”
“I can look into his eyes and just tell he is lying”
... Read more »

Jeremy C. Biesanz, Lauren J. Human, Annie-Claude Paquin, Meanne Chan, Kate L. Parisotto, Juliet Sarracino, & Randall L. Gillis. (2011) Do We Know When Our Impressions of Others Are Valid? Evidence for Realistic Accuracy Awareness in First Impressions of Personality. Social Psychological and Personality Science. info:/

  • April 18, 2011
  • 07:00 AM

April 18, 2011

by Erin Campbell in HighMag Blog

It’s no secret, but I’ll say it anyway…I love microtubules. Really, several qualities of microtubules are ones we all inspire to have ourselves…dynamic, elegant, organized, photogenic, and essential. The image above is from a recent paper discussing how different tubulin isotypes may play bigger roles in microtubule behavior than once believed.Microtubules are hollow tubes of linear protofilaments that are composed of α- and β-tubulin heterodimers. Most organisms have multiple isoty........ Read more »

  • April 18, 2011
  • 05:31 AM

MSc Project: Mental Toughness – An investigation into the impact of a mental toughness coaching program within a call centre

by Adrian Eagleson in Occ Psy Dot Com

Popular management literature has frequently referred to the concept of mental toughness and hardiness as a key psychological characteristic necessary to succeed in the business world. Qualitative studies have shown managers with higher hardiness scores are more likely to deal effectively with potentially stressful environments than those with lower levels (Hamilton & James 2004). Recent research [...]... Read more »

Bull, S., Shambrook, C., James, W., & Brooks, J. (2005) Towards an Understanding of Mental Toughness in Elite English Cricketers. Journal of Applied Sport Psychology, 17(3), 209-227. DOI: 10.1080/10413200591010085  

Luthans, F., Avey, J. B., & Patera, J. L. (2008) Experimental analysis of a web-based training intervention to develop positive psychological capital. Academy of Management Learning and Education, 209-221. info:/

  • April 18, 2011
  • 04:31 AM

Psychologists like to cite themselves

by BPS Research Digest in BPS Research Digest

In a striking case of the experts falling foul of a phenomenon studied by themselves and their colleagues - the self-serving bias - it turns out that psychologists have a tendency to over-cite their own research papers.

Marc Brysbaert and Sinead Smyth analysed one recent issue of Psychological Science and the Journal of Experimental Psychology: Learning, Memory, and Cognition and two recent issues of the Quarterly Journal of Experimental Psychology and the European Journal of Cognitive Psy........ Read more »

Marc Brysbaert, & Sinead Smyth. (2011) Self-enhancement in scientific research: The self-citation bias. Psychologica Belgica. info:/

  • April 18, 2011
  • 03:22 AM

Evolution in higher dimensions

by Razib Khan in Gene Expression

Ornithomimosaurian dinosaur and ostrich, image credit Nobu Tamura & James G. Howes

Imagine if you will a portal to another universe which you have access to. By fiat let’s give you a “pod” which allows you to move freely throughout this universe, and also let’s assume that you can travel fast enough to go from planet to planet. What if you see that on all the planets there’s a sludgy living “goo” of some sort? To complexify the issue imagine that ........ Read more »

Salverda ML, Dellus E, Gorter FA, Debets AJ, van der Oost J, Hoekstra RF, Tawfik DS, & de Visser JA. (2011) Initial mutations direct alternative pathways of protein evolution. PLoS genetics, 7(3). PMID: 21408208  

  • April 18, 2011
  • 01:00 AM

Rediscovery of Cicindela scabrosa floridana

by Ted MacRae in Beetles in the Bush

In refreshing contrast to the more usually heard reports of declining and extinct species, a new paper by Dave Brzoska, Barry Knisley, and Jeffrey Slotten (Brzoska et al. 2011) announces the rediscovery of a tiger beetle previously regarded as probably extinct.  Cicindela scabrosa floridana was described from a series of unusually greenish specimens collected in Miami, Florida in 1934; however, no additional specimens [...]... Read more »

Brzoska, D., C. B. Knisley, and J. Slotten. (2011) Rediscovery of Cicindela scabrosa floridana Cartwright (Coleoptera: Cicindelidae) and its elevation to species level. Insecta Mundi, 1-7. info:/

  • April 17, 2011
  • 10:49 PM

Psycasm - More Cognitive Differences between Christians (Religious) and Atheists (Nonreligious)

by Rift in Psycasm

If you're new to Psycasm, feel free to skip the following preamble. It's mostly just background. I'd like to think it does have some interesting links to past works, however (both mine, and of others).
The following post is in response to a comment made by Michael Blume (who has previously graced LabSpaces with a Dangerous Experiments post), who, in repsonse to m; (read more)

Source: Psycasm - Discipline: Psychology... Read more »

Shariff, A., Cohen, A., . (2008) The Devil’s Advocate: Secular Arguments Diminish both Implicit and Explicit Religious Belief. Journal of Cognition and Culture. info:/

  • April 17, 2011
  • 10:22 PM

Stretching the truth: vertical exaggeration of seismic data

by Zoltan Sylvester in Hindered Settling

If someone showed a photograph of the famous Cuernos massif (Torres del Paine National Park, Chile) like the one below, it would be - probably, hopefully - obvious to everybody that something is wrong with the picture. Our eyes and brains have seen enough mountain scenery that we intuitively know how steep is 'steep' in alpine landscapes. The peaks in this photograph just look too extreme, too high if one takes into account their lateral extent.The Cuernos in Torres del Paine National Park, Chil........ Read more »

  • April 17, 2011
  • 07:59 PM

Using flies to sniff out a new theory of smell

by aatishb in Empirical Zeal

Our sense of smell is really quite incredible. Every time we take in a breath or taste food, countless molecules swarm into our nasal passages. As they move up the nasal tract, these visitors arrive at a patch of cells on which there are over 10,000 different kinds of docking stations. These cells are odor receptors, and each of them can register a different odor. Together they make up a chemical detector that is much more sensitive and versatile that anything we can come close to building.

I........ Read more »

Franco MI, Turin L, Mershin A, & Skoulakis EM. (2011) Molecular vibration-sensing component in Drosophila melanogaster olfaction. Proceedings of the National Academy of Sciences of the United States of America, 108(9), 3797-802. PMID: 21321219  

  • April 17, 2011
  • 06:46 PM

Why Do Leafcutter Bees Cut Leafs?

by KerstinH in The Viable Blog

Because pollen sucks. It does! But if you prefer the smart word: it’s hygroscopic. It attracts water. And where is water, there is rot. Which is a problem when you are an insect that relies on pollen to feed its brood and therefore needs to store pollen for weeks, if not months. You may be [...]... Read more »

Litman JR, Danforth BN, Eardley CD, & Praz CJ. (2011) Why do leafcutter bees cut leaves? New insights into the early evolution of bees. Proceedings. Biological sciences / The Royal Society. PMID: 21490010  

  • April 17, 2011
  • 04:38 PM

Dropping aphids and their alarm pheromones

by Africa Gomez in BugBlog

Fortunately for the organic gardener, aphids have many predators: hoverfly larvae, lacewings, ladybirds, shield bugs and spiders eat them in numbers. Although aphids appear defenceless against their predators, they have evolved a suite of antipredator responses. Some aphids have warning coloration and sequester chemicals from their feeding plants that are distasteful or toxic to their predators, other release toxic chemicals or waxes and a few have a hard-skinned soldier caste to defend the colo........ Read more »

  • April 17, 2011
  • 02:13 PM

Gravity weighs in on spectroscopy

by Joerg Heber in All That Matters

In 1814 the German physicist Joseph von Fraunhofer observed narrow dark lines in the otherwise continuous spectrum of light emitted by the sun. Hundreds of them. As Gustav Kirchhoff and Robert Bunsen later showed, these lines correspond to the absorption of light by various chemical elements in the sun. Each element has its own unique [...]... Read more »

Jenke, T., Geltenbort, P., Lemmel, H., & Abele, H. (2011) Realization of a gravity-resonance-spectroscopy technique. Nature Physics. DOI: 10.1038/NPHYS1970  

  • April 17, 2011
  • 12:11 PM

Calculating the value of a year of human life in $US

by Neurobonkers in Neurobonkers

do_sud_thumb("","Calculating the value of a... Read more »

Tengs, T., Adams, M., Pliskin, J., Safran, D., Siegel, J., Weinstein, M., & Graham, J. (1995) Five-Hundred Life-Saving Interventions and Their Cost-Effectiveness. Risk Analysis, 15(3), 369-390. DOI: 10.1111/j.1539-6924.1995.tb00330.x  

Mohammadi, & Sadeghian. (2011) iFAST: An Intelligent Fire-Threat Assessment and Size-up Technology for First Responders. Proceedings of IEEE Symposium Series in Computational Intelligence. info:/

  • April 17, 2011
  • 11:00 AM

CHRONIC PAIN: How often does injury lead to chronic pain?

by Paul Ingraham in SaveYourself

How often does injury lead to chronic pain? Why do some injured people develop chronic pain and others do not? I’ve wondered this a lot in my career, and I wondered it even more throughout 2010 as my wife recovered from serious fracture to her arm and spine inflicted by a car accident in Laos last February.

So I’m pleased that Australian researchers Clay et al went to some effort to keep tabs on 168 patients who suffered non-life-threatening orthopaedic injuries. What happened to the........ Read more »

  • April 17, 2011
  • 12:39 AM

Whale Bone-Devouring Worm Into More Than Just Whales

by Kevin Zelnio in Deep Sea News

We have a long history of being HUGE fans of the “bone-devouring zombie worm from hell”. Osedax species were described less than 10 years ago and much work on their reproduction, evolution and ecology has yielded incredible insights into a unique and bizarre way of life! Early on, Osedax was only found on . . . → Read More: Whale Bone-Devouring Worm Into More Than Just Whales... Read more »

Glover AG, Kemp KM, Smith CR, & Dahlgren TG. (2008) On the role of bone-eating worms in the degradation of marine vertebrate remains. Proceedings. Biological sciences / The Royal Society, 275(1646), 1959-1961. PMID: 18505721  

Jones WJ, Johnson SB, Rouse GW, & Vrijenhoek RC. (2008) Marine worms (genus Osedax) colonize cow bones. Proceedings. Biological sciences / The Royal Society, 275(1633), 387-391. PMID: 18077256  

Rouse GW, Goffredi SK, Johnson SB, & Vrijenhoek RC. (2011) Not whale-fall specialists, Osedax worms also consume fishbones. Biology letters. PMID: 21490008  

Vrijenhoek, R., Collins, P., & Van Dover, C. (2008) Bone-eating marine worms: habitat specialists or generalists?. Proceedings of the Royal Society B: Biological Sciences, 275(1646), 1963-1964. DOI: 10.1098/rspb.2008.0350  

  • April 17, 2011
  • 12:38 AM

How a stinky chemical offers neuroprotection for a seizing brain

by William Lu in The Quantum Lobe Chronicles

What did Socrates, Plato, Hercules, and Ajax have in common? Other than greatness, they were also epileptics according to the 17th century French physician, Jean Taxil.An epileptic seizure consists of abnormal excessive or synchronous neuronal activity in the brain which can lead to convulsions, loss of awareness, full body slump, or even the experience of deja vu. Unprovoked seizures are typically related to epilepsy and other seizure related disorders while unprovoked seizures have multiple co........ Read more »

  • April 16, 2011
  • 09:18 PM

Pokéwalker more accurate than other pedometers on a treadmill (study)

by Stephen Yang in ExerGame Lab

Study Finds Pokéwalker More Accurate Than Other Pedometers: "
Nintendo’s  HeartGold and SoulSilver Pokémon Pokéwalker, is a more accurate pedometer than regular pedometers, according to Lorraine Lanningham-Foster (Iowa State University). 

Image via WikipediaAt the 2011 Experimental Biology conference in DC, she presented the accuracies of several pedometers of children and adults while walking on a treadmill at four different speeds.   
Kotaku points out that the research isn........ Read more »

Lanningham-Foster, L, Foster, R, Barnes, M, Kracke, E, Kling, S, & Vik, M. (2011) Step counts from two new systems during treadmill walking in children and adults. The FASEB Journal, 25(April), 606. info:/

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