Post List

  • August 24, 2010
  • 02:11 AM

Narcissism on Facebook

by Dr Shock in Dr Shock MD PhD

In normal every day life with face to face contact the physical characteristics and knowledge about social background form the identity of your contact. It’s stable and three dimensional. You know that person, it’s therefor very difficult for the other to claim another identity or create impressions inconsistent with how you know him or her. [...]

Related posts:The Dangers of Facebook or Let’s Be Careful Out There
Facebook Privacy Concerns in Young Adults
The Dangers of Face........ Read more »

Mehdizadeh, S. (2010) Self-Presentation 2.0: Narcissism and Self-Esteem on Facebook. Cyberpsychology, Behavior, and Social Networking, 13(4), 357-364. DOI: 10.1089/cyber.2009.0257  

  • August 24, 2010
  • 01:21 AM

Portrait of the artist as a Neanderthal

by Julien Riel-Salvatore in A Very Remote Period Indeed

In a recent paper, O. Moro Abadia and M.R. Gonzales Morales (2010) argue that an important component of the 'multiple species model' (MSM) that sees Neanderthals as having essentially 'modern' behavioral capacities and that originated in the late 90's is based not so much on new discoveries as it is on new ways of looking at the archaeological record. Specifically, they make the case that part of... Read more »

  • August 24, 2010
  • 12:00 AM

The dark side of photonics

by Joerg Heber in All That Matters

Photonics is all about light. Processing of light for applications ranging from holograms and displays to optical telecommunications. Thanks to a better theoretical understanding and to advances in fabrication technology, photonic devices and gadgets have become increasingly versatile and powerful.

But photonics also has a dark side. In many light-processing devices and structures there are dark modes — oscillations of the light wave that while not forbidden cannot be directly excited by a ........ Read more »

Papasimakis, N., Luo, Z., Shen, Z., De Angelis, F., Di Fabrizio, E., Nikolaenko, A., & Zheludev, N. (2010) Graphene in a photonic metamaterial. Optics Express, 18(8), 8353. DOI: 10.1364/OE.18.008353  

Mirin, N., Bao, K., & Nordlander, P. (2009) Fano Resonances in Plasmonic Nanoparticle Aggregates. The Journal of Physical Chemistry A, 113(16), 4028-4034. DOI: 10.1021/jp810411q  

Fan, J., Wu, C., Bao, K., Bao, J., Bardhan, R., Halas, N., Manoharan, V., Nordlander, P., Shvets, G., & Capasso, F. (2010) Self-Assembled Plasmonic Nanoparticle Clusters. Science, 328(5982), 1135-1138. DOI: 10.1126/science.1187949  

Hentschel, M., Saliba, M., Vogelgesang, R., Giessen, H., Alivisatos, A., & Liu, N. (2010) Transition from Isolated to Collective Modes in Plasmonic Oligomers. Nano Letters, 10(7), 2721-2726. DOI: 10.1021/nl101938p  

Luk'yanchuk, B., Zheludev, N., Maier, S., Halas, N., Nordlander, P., Giessen, H., & Chong, C. (2010) The Fano resonance in plasmonic nanostructures and metamaterials. Nature Materials, 9(9), 707-715. DOI: 10.1038/nmat2810  

  • August 23, 2010
  • 09:05 PM

A Web Server for Identifying the "Hot Spot" of Protein-Protein Interfaces

by Michael Long in Phased

Narcis Fernandez-Fuentes (University of Leeds, United Kingdom) and coworkers' web server will greatly accelerate the development of drugs which target protein-protein interfaces. This news feature was written on August 23, 2010.... Read more »

  • August 23, 2010
  • 08:30 PM

Rats Pee During the Night. A Surprise? Not Really

by Allison in Dormivigilia

Researchers have behaviorally confirmed an entrained rhythm of urination in the rat. Though this information is consistent with the recent shift in funding focus in circadian research (i.e. funding crutches), this is an example of a study that doesn't take advantage of advanced neuroscience techniques or at least attempts to elucidate the mechanisms. I mean, gosh, it was published in PLoS.... Read more »

Gerald M. Herrera1,2, Andrea L. Meredith3*. (2010) Diurnal Variation in Urodynamics of Rat . PLoS ONE. info:/10.1371/journal.pone.0012298

  • August 23, 2010
  • 05:06 PM

When genome size changes and hybrid vigor?

by James in James and the Giant Corn

A group of researchers at Masaryk University in the Czech Republic study how different members of the same grass species (Festuca pallens) have different total amounts of DNA per cell. have a new paper out in New Phytologist  they found that plants with the most unusual genome sizes (really big or really small) are less [...]... Read more »

  • August 23, 2010
  • 04:28 PM

Supply Chain Risk: Culture Shock

by Jan Husdal in

Is culture shock the reason why so many global and cross-culture business relationships fail? When it comes to Western buyers and Chinese suppliers this may very well be the case, and while issues related to product quality or supplier reliability may seem as the obvious cause externally, cultural differences may be the root cause internally. [ ... ]... Read more »

  • August 23, 2010
  • 04:00 PM

Why Do Orb-Weaving Spiders Decorate Their Webs?

by Michael Long in Phased

Daiqin Li (National University of Singapore) and coworkers have shown that silk decorations help orb-weaving spiders attract prey, although the jury is still out on the effect of dead plant matter decorations and their effect on predator defense. This news feature was written on August 23, 2010.... Read more »

  • August 23, 2010
  • 03:47 PM

Life History theory and eight stage evo-devo model

by sandygautam in The Mouse Trap

Image via Wikipedia I’ve touched upon life history theory earlier, in an oblique fashion, while discussing evolutionary perspectives on personality. Life History theory posits that an individual’s life efforts can be subsumed under two headings- somatic life efforts and reproductive life efforts. The latter relates to selection due to being able to successfully replicate one-self;Rating: 0.0/10 (0 votes cast)... Read more »

  • August 23, 2010
  • 03:41 PM

Learning without thinking

by Carl in The motor chauvinist

Scratching around on the internet this afternoon on my first day back from holiday, I was kind of reluctant to dive straight back into taking papers apart. After all, I have spent the majority of the last three weeks drinking beer and eating pies in the UK, and the increase in my waistline has most likely been mirrored by the decrease in my critical faculties (as happens when you spend time away from the cutting edge). However, I ran across a really cool little article that reminded me just why ........ Read more »

  • August 23, 2010
  • 03:35 PM

Information is to behaviour change as spaghetti is to a brick

by Bronwyn Thompson in Healthskills: Skills for Healthy Living

I’m a great fan of books like ‘Explain Pain’. This delightful publication by David Butler and Lorimer Moseley gives accurate information about pain, particularly chronic pain, in an accessible format for both patients and clinicians, and I’ve used it often with people I’m seeing. I’m also a fan of helping people to understand what we … Read more... Read more »

  • August 23, 2010
  • 03:14 PM

Lights! Action! Kids!

by Psychology 379 bloggers in Cognition & the Arts

Originally posted on Cognitive Daily. This is a guest post by Laura Younger, one of Greta’s top student writers for Spring 2007. Take a look at these static images from a video clip. Can you tell what the person is doing? It might be hard to make it out from these still pictures, but when [...]... Read more »

Golinkoff RM, Chung HL, Hirsh-Pasek K, Liu J, Bertenthal BI, Brand R, Maguire MJ, & Hennon E. (2002) Young children can extend motion verbs to point-light displays. Developmental psychology, 38(4), 604-14. PMID: 12090489  

  • August 23, 2010
  • 01:59 PM

Yawns help cool the brain?

by Arunn in nOnoScience (a.k.a. Unruled Notebook)

Yawning when it is extremely cold may be maladaptive, as this may send unusually cold air to the brain, which may produce a thermal shock."

Shouldn't I yawn anymore in a department meeting conducted in an air conditioned room? ... Read more »

  • August 23, 2010
  • 12:34 PM

High Excitement in Review: "Quantum information with Rydberg atoms"

by Chad Orzel in Uncertain Principles

I'm a big fan of review articles. For those not in academic science, "review article" means a long (tens of pages) paper collecting together the important results of some field of science, and presenting an overview of the whole thing. These vary somewhat in just how specific they are-- some deal with both experiment and theory, others just theoretical approaches-- and some are more readable than others, but typically, they're written in a way that somebody from outside the field can understand......... Read more »

Saffman, M., Walker, T., & Mølmer, K. (2010) Quantum information with Rydberg atoms. Reviews of Modern Physics, 82(3), 2313-2363. DOI: 10.1103/RevModPhys.82.2313  

  • August 23, 2010
  • 12:02 PM

How Language Affects Thought -- plus book giveaway!

by Livia Blackburne in A Brain Scientist's Take on Writing

I recently read Dreaming in Hindi, Katherine Russell Rich’s memoir of her year in India learning Hindi. Rich intersperses quirky anecdotes of learning and culture shock with scientific insights about learning a second language. I was excited see her mention two of my favorite studies on language and thought.

Psychologists and philosophers have long debated whether language shapes the way we think. While the most drastic viewpoint – that thought can’t exist without language -- has falle........ Read more »

  • August 23, 2010
  • 11:37 AM

Neuroscience of Murder and Aggression: Part 1

by William Yates, M.D. in Brain Posts

I have been interested in the genetics and environmental factors involved in aggression since working with Dr. Remi Cadoret at the University of Iowa in the 1990s.  We published an early study in adoptees that found an interaction between a biological background of antisocial personality and an adverse childhood environment in an additive effect in adoptee agression.  Adoptees with a biological relative with antisocial personality (usually fathers) were more aggressive when there were ........ Read more »

  • August 23, 2010
  • 11:10 AM

Long, deep and broad

by CJA Bradshaw in ConservationBytes

Thought that would get your attention ;-) “More scientists need to be trained in quantitative synthesis, visualization and other software tools.” D. Peters (2010) In fact, that is part of the title of today’s focus paper in Trends in Ecology and Evolution by D. Peters – Accessible ecology: synthesis of the long, deep,and broad. As a [...]... Read more »

  • August 23, 2010
  • 11:04 AM

In the news this month: pulsar irregularities

by Megan in Rigel

After massive stars like explode, the object left behind is thought to be either a or a black hole, depending on the final mass of the progenitor star. are neutron stars that have strong magnetic fields and behave somewhat like cosmic lighthouses, projecting beams of radio emission into space as they spin. Studying the pulses of radiation as the beams sweep past the Earth can provide valuable information on the physics of these extreme objects, allowing astronomers to probe physics under cond........ Read more »

Lyne, A., Hobbs, G., Kramer, M., Stairs, I., & Stappers, B. (2010) Switched Magnetospheric Regulation of Pulsar Spin-Down. Science, 329(5990), 408-412. DOI: 10.1126/science.1186683  

  • August 23, 2010
  • 11:00 AM

To Hear A Mockingbird: The Plight of the Iguana

by Jason Goldman in The Thoughtful Animal

Predator-prey interactions are often viewed as evolutionary arms races; while predators improve their hunting behaviors and their ability to sneak up on their prey, the prey improve upon their abilities to detect and escape from their predators. The problem, of course, is that there is a trade-off between maintaining vigilance - the attention necessary to be consistently aware of others in the environment takes quite a bit of physical and mental energy - and doing all the other things that an an........ Read more »

Vitousek MN, Adelman JS, Gregory NC, & Clair JJ. (2007) Heterospecific alarm call recognition in a non-vocal reptile. Biology letters, 3(6), 632-4. PMID: 17911047  

  • August 23, 2010
  • 10:45 AM

Do new neurons go through a critical period and then retire, never to be used again?

by Jason Snyder in Functional Neurogenesis

And here we have the latest, craziest hypothesis of granule cell function. Crazy not because the authors have lost their minds but because the story of the dentate gyrus, where adult neurogenesis occurs, is becoming more peculiar every day. The underlying premise of this paper by Alme et al. (which we will examine later) is [...]... Read more »

Alme, C., Buzzetti, R., Marrone, D., Leutgeb, J., Chawla, M., Schaner, M., Bohanick, J., Khoboko, T., Leutgeb, S., Moser, E.... (2010) Hippocampal granule cells opt for early retirement. Hippocampus. DOI: 10.1002/hipo.20810  

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