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February 17 2012
NCBI ROFL: Study shows reading Twilight makes you more vampiric.
Becoming a vampire without being bitten: the narrative collective-assimilation hypothesis.
“We propose the narrative collective-assimilation hypothesis—that experiencing a narrative leads one to psychologically become a part of the collective described within the narrative. In a test of this hypothesis, participants read passages from either a book about wizards (from the Harry Potter series) or a book about vampires (from the Twilight series). Both implicit and explicit measures revealed that participants who read about wizards psychologically became wizards, whereas those who read about vampires psychologically became vampires. The results also suggested that narrative collective assimilation is psychologically meaningful and relates to the basic human need for connection. Specifically, the tendency to fulfill belongingness needs through group affiliation moderated the extent to which narrative collective assimilation occurred, and narrative collective assimilation led to increases in life satisfaction and positive mood, two primary outcomes of belonging. The implications for the importance of narratives, the need to belong to groups, and social surrogacy are discussed.”
Bonus quote from the full text:
“We next administered an explicit (albeit somewhat indirect) measure of collective assimilation, which we call the Twilight/Harry Potter Narrative Collective-Assimilation Scale. Embedded among filler questions ...
February 15 2012
NCBI ROFL: A squamous cell carcinoma with a Saint Valentine’s Day message.
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Discoblog: NCBI ROFL: Scientifically proven dating tips for the ladies.!
NCBI ROFL. Real Articles. Funny Subjects.
Read our FAQ!
February 03 2012
NCBI ROFL: The science of Facebook relationship status: It’s complicated.
It’s Facebook week on NCBI ROFL! All this week we’ll be featuring papers about everyone’s favorite social networking site. Enjoy!
“Are We Facebook Official?” Implications of Dating Partners’ Facebook Use and Profiles for Intimate Relationship Satisfaction.
“Extending previous research on positive and negative correlates of Facebook use for individuals’ outcomes, this study examined male and female dating partners’ (n=58 couples) Facebook use and portrayals of their intimate relationship on the Facebook profile. Confirming hypotheses from compatibility theories of mate selection, partners demonstrated similar Facebook intensity (e.g., usage, connection to Facebook), and were highly likely to portray their relationship on their Facebook profiles in similar ways (i.e., display partnered status and show their partner in profile picture). These Facebook profile choices played a role in the overall functioning of the relationship, with males’ indications of a partnered status linked with higher levels of their own and their partners’ (marginal) relationship satisfaction, and females’ displays of their partner in their profile picture linked with higher levels of their own and their partners’ relationship satisfaction. Finally, male and female reports of having had disagreements over the Facebook relationship status was associated with lower level of females’ but not males’ relationship satisfaction, ...
NCBI ROFL: The “no sh*t, Sherlock” award: Facebook edition.
It’s Facebook week on NCBI ROFL! All this week we’ll be featuring papers about everyone’s favorite social networking site. Enjoy!
Men Are from Mars, Women Are from Venus? Examining Gender Differences in Self-Presentation on Social Networking Sites.
“Psychological research on gender differences in self-presentation has already revealed that women place higher priority on creating a positive self-presentation, while men are less concerned about the image they present in face-to-face (ftf) communication. Nowadays, with the extensive use of new media, self-presentation is no longer so closely tied to ftf situations, but can also take place in the online world. Specifically, social networking sites (SNS), such as Facebook or MySpace, offer various features such as profile pictures, groups, and virtual bulletin boards with which users can create elaborated online representations of themselves. What remains open is whether this virtual self-presentation on SNS is subject to gender differences. Based on studies emphasizing gender-related differences in Internet communication and behavior in general, it can be assumed that men and women have different motives regarding their SNS usage as well. A multimethodological study, combining results of an online survey and a content analysis of 106 user profiles, assessed users’ diverse motives ...
January 27 2012
NCBI ROFL: Your rug is so ugly it makes me sick. Literally.
The sickening rug: a repeating static pattern that leads to motion-sickness-like symptoms.
“The nauseogenic properties of a patterned rug that reputedly caused motion-sickness-like symptoms in those who viewed it was the topic of this study. Naive observers viewed a 1:1 scale image of the black-and-white patterned rug and a homogeneous gray region of equivalent luminance in a counterbalanced within-subjects design. After 5 min of viewing, symptoms were assessed with the simulator sickness questionnaire (SSQ), yielding a total SSQ score and sub-scores for nausea, oculomotor symptoms, and disorientation. All four scores were significantly higher in the rug condition. Observers also reported significantly more self-motion perception in the rug condition, even though they were seated during the experiment. Results are consistent with findings that suggest that neurologically normal individuals who view a repeating static pattern can experience unpleasant symptoms, some of which are similar to motion sickness.”
Bonus quote from the full text:
“Bottom line: be careful what you buy. You might have to look at it for a while and
it might just make you feel sick.”
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January 26 2012
NCBI ROFL: Does it take one to know one? Endorsement of conspiracy theories is influenced by personal willingness to conspire.
“We advance a new account of why people endorse conspiracy theories, arguing that individuals use the social-cognitive tool of projection when making social judgements about others. In two studies, we found that individuals were more likely to endorse conspiracy theories if they thought they would be willing, personally, to participate in the alleged conspiracies. Study 1 established an association between conspiracy beliefs and personal willingness to conspire, which fully mediated a relationship between Machiavellianism and conspiracy beliefs. In Study 2, participants primed with their own morality were less inclined than controls to endorse conspiracy theories – a finding fully mediated by personal willingness to conspire. These results suggest that some people think ‘they conspired’ because they think ‘I would conspire’.”
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Photo: flickr/kyz
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NCBI ROFL. Real articles. Funny subjects.
Read our FAQ!
January 23 2012
NCBI ROFL: Science brings hope for your ugly baby.
You must have been a beautiful baby: ratings of infant facial attractiveness fail to predict ratings of adult attractiveness.
“Facial attractiveness has been studied extensively, but little research has examined the stability of facial attractiveness of individuals across different stages of development. We conducted a study examining the relationship between facial attractiveness in infants (age 24 months and under) and the same individuals as young adults (age 16-18 years)using infant and adult photographs from high school yearbooks. Contrary to expectations, independent raters’ assessments of infant facial attractiveness did not correlate with adult facial attractiveness. These results are discussed in terms of the adaptive function of heightened attractiveness in infancy, which likely evolved to elicit and maintain parental care.”
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Photo: flickr/daveynin
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Discoblog: NCBI ROFL: True brothers from another mother: two different mothers pregnant with full siblings.
NCBI ROFL. Real articles. Funny subjects.
Read our FAQ!
January 20 2012
NCBI ROFL: Apparently, jumping with a weighted vest or springs attached to your shoes is hard.
Effects of loading on maximum vertical jumps: Selective effects of weight and inertia.
“A novel loading method was applied to explore selective effects of externally added weight (W), weight and inertia (W+I), and inertia (I) on maximum counter-movement jumps (CMJ) performed with arm swing. Externally applied extended rubber bands and/or loaded vest added W, W+I, and I corresponding to 10-40% of subjects’ body mass. As expected, an increase in magnitude of all types of load was associated with an increase in ground reaction forces (GRF), as well as with a decrease in both the jumping performance and power output. However, of more importance could be that discernible differences among the effects of W, W+I, and I were recorded despite a relatively narrow loading range. In particular, an increase in W was associated with the minimal changes in movement kinematic pattern and smallest reduction of jumping performance, while also allowing for the highest power output. Conversely, W+I was associated with the highest ground reaction forces. Finally, the lowest maxima of GRF and power were associated with I. Although further research is apparently needed, the obtained finding could be of potential importance not only for understanding ...
January 17 2012
NCBI ROFL: How to improve your human random number generator.
Doing better by getting worse: posthypnotic amnesia improves random number generation.
“Although forgetting is often regarded as a deficit that we need to control to optimize cognitive functioning, it can have beneficial effects in a number of contexts. We examined whether disrupting memory for previous numerical responses would attenuate repetition avoidance (the tendency to avoid repeating the same number) during random number generation and thereby improve the randomness of responses. Low suggestible and low dissociative and high dissociative highly suggestible individuals completed a random number generation task in a control condition, following a posthypnotic amnesia suggestion to forget previous numerical responses, and in a second control condition following the cancellation of the suggestion. High dissociative highly suggestible participants displayed a selective increase in repetitions during posthypnotic amnesia, with equivalent repetition frequency to a random system, whereas the other two groups exhibited repetition avoidance across conditions. Our results demonstrate that temporarily disrupting memory for previous numerical responses improves random number generation.”
Photo: flickr/garryknight
Thanks to bboybutzemann for today’s ROFL!
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January 11 2012
NCBI ROFL: Do dogs really have a “guilty look”?
Disambiguating the “guilty look”: salient prompts to a familiar dog behaviour.
“Anthropomorphisms are regularly used by owners in describing their dogs. Of interest is whether attributions of understanding and emotions to dogs are sound, or are unwarranted applications of human psychological terms to non-humans. One attribution commonly made to dogs is that the “guilty look” shows that dogs feel guilt at doing a disallowed action. In the current study, this anthropomorphism is empirically tested. The behaviours of 14 domestic dogs (Canis familiaris) were videotaped over a series of trials and analyzed for elements that correspond to an owner-identified “guilty look.” Trials varied the opportunity for dogs to disobey an owner’s command not to eat a desirable treat while the owner was out of the room, and varied the owners’ knowledge of what their dogs did in their absence. The results revealed no difference in behaviours associated with the guilty look. By contrast, more such behaviours were seen in trials when owners scolded their dogs. The effect of scolding was more pronounced when the dogs were obedient, not disobedient. These results indicate that a better description of the so-called guilty look is that it is a response to ...
January 05 2012
NCBI ROFL: Knock knock! Who’s there? Some random statement that you won’t remember.
The effect of humor on memory: constrained by the pun.
“In a series of experiments, we investigated the effect of pun humor on memory. In all experiments, the participants were exposed to knock-knock jokes in either the original form retaining the pun or in a modified form that removed the pun. In Experiment 1, the authors found that pun humor improved both recall and recognition memory following incidental encoding. In Experiment 2, they found evidence that rehearsal is not the cause of the humor effect on memory. In Experiments 3 and 4, the authors found that the constraints imposed by puns and incongruity may account for the humor effects observed. Puns constrain and limit the information that can fit in the final line of a joke and thus make recall easier.”
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Bonus table from the full text:
Photo: flickr/sastafford
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December 21 2011
NCBI ROFL: And the December “no sh*t, Sherlock” award goes to…
Possibilities to improve the aircraft interior comfort experience.
“Comfort plays an increasingly important role in the interior design of airplanes. Although ample research has been conducted on airplane design technology, only a small amount of public scientific information is available addressing the passenger’s opinion. In this study, more than 10,000 internet trip reports and 153 passenger interviews were used to gather opinions about aspects which need to be improved in order to design a more comfortable aircraft interior. The results show clear relationships between comfort and legroom, hygiene, crew attention and seat/personal space. Passengers rate the newer planes significantly better than older ones, indicating that attention to design for comfort has proven effective. The study also shows that rude flight attendants and bad hygiene reduce the comfort experience drastically and that a high comfort rating is related to higher “fly again” values.”
Photo: Flickr/SpecialKRB
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December 16 2011
NCBI ROFL: The cutest little baby face: a hormonal link to sensitivity to cuteness in infant faces.
“We used computer image manipulation to develop a test of perception of subtle gradations in cuteness between infant faces. We found that young women (19-26 years old) were more sensitive to differences in infant cuteness than were men (19-26 and 53-60 years old). Women aged 45 to 51 years performed at the level of the young women, whereas cuteness sensitivity in women aged 53 to 60 years was not different from that of men (19-26 and 53-60 years old). Because average age at menopause is 51 years in Britain, these findings suggest the possible involvement of reproductive hormones in cuteness sensitivity. Therefore, we compared cuteness discrimination in pre- and postmenopausal women matched for age and in women taking and not taking oral contraceptives (progestogen and estrogen). Premenopausal women and young women taking oral contraceptives (which raise hormone levels artificially) were more sensitive to variations of cuteness than their respective comparison groups. We suggest that cuteness sensitivity is modulated by female reproductive hormones.”
Bonus Figure:
“Creation of the experimental stimuli. First, four sets of baby faces were used to obtain averaged cute male (a) and female (c) baby faces and averaged less cute male ...
December 13 2011
NCBI ROFL: Taking your place or matching your face: two paths to empathic embarrassment.
“Empathic responding may be elicited by different processes, depending on the available situational and affective cues. We investigated two such processes, perspective-taking and nonverbal mimicry. In Study 1, participants watched an embarrassed or unembarrassed confederate dancing to music while either remaining objective or engaging in perspective-taking. Both manipulations affected empathic embarrassment. Study 2 further examined the effects of targets’ embarrassment displays and observers’ prior experience with the situation upon spontaneous perspective-taking, expressive mimicry, and empathic embarrassment. Embarrassment displays increased mimicry, but also spontaneous perspective-taking and subsequent empathy. Prior experience moderated the effects of embarrassment displays on perspective-taking and empathy. Path analyses demonstrated that embarrassment displays exerted indirect effects on empathic embarrassment through both perspective-taking and mimicry. The results suggest that available affective and situational cues can activate different routes to empathy, and highlight the value of simultaneously investigating target- and observer-based sources of influence.”
Photo: flickr/Alex E. Proimos
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December 09 2011
NCBI ROFL: A scientifically optimized bubble bath.
Optimisation of the formulation of a bubble bath by a chemometric approach market segmentation and optimisation.
“The optimisation of the formulation of a commercial bubble bath was performed by chemometric analysis of Panel Tests results. A first Panel Test was performed to choose the best essence, among four proposed to the consumers; the best essence chosen was used in the revised commercial bubble bath. Afterwards, the effect of changing the amount of four components (the amount of primary surfactant, the essence, the hydratant and the colouring agent) of the bubble bath was studied by a fractional factorial design. The segmentation of the bubble bath market was performed by a second Panel Test, in which the consumers were requested to evaluate the samples coming from the experimental design. The results were then treated by Principal Component Analysis. The market had two segments: people preferring a product with a rich formulation and people preferring a poor product. The final target, i.e. the optimisation of the formulation for each segment, was obtained by the calculation of regression models relating the subjective evaluations given by the Panel and the compositions of the samples. The regression models allowed to identify ...
November 23 2011
NCBI ROFL: The return trip effect: why the return trip often seems to take less time.
“Three studies confirm the existence of the return trip effect: The return trip often seems shorter than the initial trip, even though the distance traveled and the actual time spent traveling are identical. A pretest shows that people indeed experience a return trip effect regularly, and the effect was found on a bus trip (Study 1), a bicycle trip (Study 2), and when participants watched a video of someone else traveling (Study 3). The return trip effect also existed when another, equidistant route was taken on the return trip, showing that it is not familiarity with the route that causes this effect. Rather, it seems that a violation of expectations causes this effect.”
Photo: flickr/kudumomo
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November 18 2011
NCBI ROFL: Nintendo Wii video-gaming ability predicts laparoscopic skill.
“BACKGROUND: Studies using conventional consoles have suggested a possible link between video-gaming and laparoscopic skill. The authors hypothesized that the Nintendo Wii, with its motion-sensing interface, would provide a better model for laparoscopic tasks. This study investigated the relationship between Nintendo Wii skill, prior gaming experience, and laparoscopic skill. METHODS: In this study, 20 participants who had minimal experience with either laparoscopic surgery or Nintendo Wii performed three tasks on a Webcam-based laparoscopic simulator and were assessed on three games on the Wii. The participants completed a questionnaire assessing prior gaming experience. RESULTS: The score for each of the three Wii games correlated positively with the laparoscopic score (r = 0.78, 0.63, 0.77; P < 0.001), as did the combined Wii score (r = 0.82; P < 0.001). The participants in the top tertile of Wii performance scored 60.3% higher on the laparoscopic tasks than those in the bottom tertile (P < 0.01). Partial correlation analysis with control for the effect of prior gaming experience showed a significant positive correlation between the Wii score and the laparoscopic score (r = 0.713; P < 0.001). Prior gaming experience also correlated positively with the laparoscopic score ...
November 12 2011
NCBI ROFL: A scientific analysis of 400 YouTube videos of dogs chasing their tails.
A Vicious Cycle: A Cross-Sectional Study of Canine Tail-Chasing and Human Responses to It, Using a Free Video-Sharing Website
Figure 1. Screenshot of a video of a Golden Retriever chasing its tail on YouTube™.
“Tail-chasing is widely celebrated as normal canine behaviour in cultural references. However, all previous scientific studies of tail-chasing or ‘spinning’ have comprised small clinical populations of dogs with neurological, compulsive or other pathological conditions; most were ultimately euthanased. Thus, there is great disparity between scientific and public information on tail-chasing. I gathered data on the first large (n = 400), non-clinical tail-chasing population, made possible through a vast, free, online video repository, YouTube™. The demographics of this online population are described and discussed. Approximately one third of tail-chasing dogs showed clinical signs, including habitual (daily or ‘all the time’) or perseverative (difficult to distract) performance of the behaviour. These signs were observed across diverse breeds. Clinical signs appeared virtually unrecognised by the video owners and commenting viewers; laughter was recorded in 55% of videos, encouragement in 43%, and the commonest viewer descriptors were that the behaviour was ‘funny’ (46%) or ‘cute’ (42%). Habitual tail-chasers had 6.5+/−2.3 times the odds of being described as ‘Stupid’ than other dogs, and perseverative dogs were 6.8+/−2.1 times more frequently described as ‘Funny’ than distractible ones were. Compared with breed- and age-matched control videos, tail-chasing videos were significantly more often indoors and with a computer/television screen switched on. These findings highlight that tail-chasing is sometimes pathological, but can remain untreated, or even be encouraged, because of an assumption that it is ‘normal’ dog behaviour. The enormous viewing figures that YouTube™ attracts (mean+/−s.e. = 863+/−197 viewings per tail-chasing video) suggest that this perception will be further reinforced, without effective intervention.”
Bonus Table:
Table 2. Human encouragement and responses to tail-chasing in dogs on YouTube™.
Thanks to @InkfishEP for today’s ROFL!
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November 11 2011
NCBI ROFL: Time crawls when you’re not having fun: feeling entitled makes dull tasks drag on.
“All people have to complete dull tasks, but individuals who feel entitled may be more inclined to perceive them as a waste of their “precious” time, resulting in the perception that time drags. This hypothesis was confirmed in three studies. In Study 1, participants with higher trait entitlement (controlling for related variables) thought dull tasks took longer to complete; no link was found for fun tasks. In Study 2, participants exposed to entitled messages thought taking a dull survey was a greater waste of time and took longer to complete. In Study 3, participants subliminally exposed to entitled words thought dull tasks were less interesting, thought they took longer to complete, and walked away faster when leaving the laboratory. Like most resources, time is a resource valued more by entitled individuals. A time-entitlement link provides novel insight into mechanisms underlying self-focus and prosocial dynamics.”
Photo: flickr/greggoconnell
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November 03 2011
NCBI ROFL: Ritter Sport chocolate – check. “When Harry Met Sally” DVD – check. Publication – check.
Immediate effects of chocolate on experimentally induced mood states.
“In this work two hypotheses were tested: (1) that eating a piece of chocolate immediately affects negative, but not positive or neutral mood, and (2) that this effect is due to palatability. Experiment 1 (48 normal-weight and healthy women and men) examined the effects of eating a piece of chocolate and drinking water on negative, positive and neutral mood states induced by film clips. Eating chocolate reduced negative mood compared to drinking water, whereas no or only marginal effects were found on neutral and positive moods. Experiment 2 (113 normal-weight and healthy women and men) compared effects of eating palatable and unpalatable chocolate on negative mood, and examined the duration of chocolate-induced mood change. Negative mood was improved after eating palatable chocolate as compared to unpalatable chocolate or nothing. This effect was short lived, i.e., it disappeared after 3 min. In both experiments, chocolate-induced mood improvement was associated with emotional eating. The present studies demonstrate that eating a small amount of sweet food improves an experimentally induced negative mood state immediately and selectively and that this effect of chocolate is due to palatability. It is hypothesized that immediate mood effects of palatable food contribute to the habit of eating to cope with stress.”
Bonus quotes from the Materials and Methods:
“To induce mood states, excerpts from popular movies were shown: a sad sequence from “The Champ” in which a boy cries at the death of his father (2:51 min) and a happy sequence from “When Harry Met Sally” in which a woman and a man discuss an orgasm (2:35 min). An emotionally neutral film sequence was used as a control stimulus (a documentary on the processing and usage of copper; 2:02 min).”
“One group of participants (n=24) received a piece of chocolate (5 g), the other group (n=24) a sample of spring water (20 ml, three pieces or three samples in all). They received the chocolate they had chosen before the experiment as most pleasant out of seven types of commercially available chocolates from the same brand (“Ritter Sport”, Alfred Ritter GmbH). Eight participants had preferred milk chocolate, six participants chocolate with hazelnuts, five participants chocolate with cornflakes, three participants milk chocolate with cocoa cream paste, and two participants plain chocolate.”
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WTF is NCBI ROFL? Read our FAQ!
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