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Vollkommen unverdaute, zusammenhangslose Zitate zum Thema Gehirn» Vielleicht gibt es ja eine Anregung?

RE: Vollkommen unverdaute, zusammenhangslose Zitate zum Thema Gehirn
#46
13.11.2015, 07:58 (Dieser Beitrag wurde zuletzt bearbeitet: 13.11.2015, 08:03 von Pygar.)
But now for something completely different:

Zitat:The study results show both males and females who were pathologically reckless and impetuous attracted more short-term partners than participants with average personalities. And obsessive-compulsive males—but not females—were successful at securing long-lasting mates, an outcome strongly associated with this group’s high income (obsessive-compulsives made nearly twice as much as the less obsessive study participants), Gutiérrez says.

http://www.scientificamerican.com/articl...onalities/
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RE: Vollkommen unverdaute, zusammenhangslose Zitate zum Thema Gehirn
#47
18.11.2015, 10:08
http://www.ncbi.nlm.nih.gov/pubmed/26569030

Zitat:The Mechanisms of Far Transfer From Cognitive Training: Review and Hypothesis.

Greenwood PM, Parasuraman R.

Abstract

OBJECTIVE:

General intelligence is important for success in daily life, fueling interest in developing cognitive training as an intervention to improve fluid ability (Gf). A major obstacle to the design of effective cognitive interventions has been the paucity of hypotheses bearing on mechanisms underlying transfer of cognitive training to Gf. Despite the large amounts of money and time currently being expended on cognitive training, there is little scientific agreement on how, or even whether, Gf can be heightened by such training.

METHOD:

We review the relevant strands of evidence on cognitive-training-related changes in (a) cortical mechanisms of distraction suppression, and (b) activation of the dorsal attention network (DAN). We hypothesize that training-related increases in control of attention are important for what is termed far transfer of cognitive training to untrained abilities, notably to Gf.

RESULTS:

We review the evidence that distraction suppression evident in behavior, neuronal firing, scalp electroencephalography, and hemodynamic change is important for protecting target processing during perception and also for protecting targets held in working memory. Importantly, attentional control also appears to be central to performance on Gf assessments. Consistent with this evidence, forms of cognitive training that increase ability to ignore distractions (e.g., working memory training and perceptual training) not only affect the DAN but also affect transfer to Gf.

CONCLUSIONS:

Our hypothesis is supported by existing evidence. However, to advance the field of cognitive training, it is necessary that competing hypotheses on mechanisms of far transfer of cognitive training be advanced and empirically tested. (PsycINFO Database Record
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RE: Vollkommen unverdaute, zusammenhangslose Zitate zum Thema Gehirn
#48
10.12.2015, 09:46
http://www.medicaldaily.com/playing-3d-v...R8.twitter

Zitat:After completing these tests, participants played either 3D or 2D video games for 30 minutes a day for 10 days, then they were put through the same series of memory tests again. While researchers found there was no difference between the two groups when it came to the dot or line test, those who played the 3D games had a 12 percent increase in memory performance over those who only played 2D games in the object recognition tests.
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RE: Vollkommen unverdaute, zusammenhangslose Zitate zum Thema Gehirn
#49
22.12.2015, 07:36
Zitat:Mol Nutr Food Res. 2015 Aug 28. doi: 10.1002/mnfr.201500205. [Epub ahead of print]

Teasaponin improves leptin sensitivity in the prefrontal cortex of obese mice.

Yu Y1,2, Wu Y1, Szabo A1,3, Wang S1,4, Yu S1,4, Wang Q5, Huang XF1,2.

Author information

Abstract

SCOPE:

Obesity impairs cognition, and the leptin-induced increase of brain-derived neurotrophic factor (BDNF) and neurogenesis. Tea consumption improves cognition and increases brain activation in the prefrontal cortex.

METHODS AND RESULTS:

This study examined whether teasaponin, an active ingredient in tea, could improve memory and central leptin effects on neurogenesis in the prefrontal cortex of obese mice, and in vitro in cultured prefrontal cortical neurons. Teasaponin (10 mg/kg, intraperitoneal) for 21 days improved downstream leptin signaling (JAK2 and STAT3), and leptin's effect on BDNF, in the prefrontal cortex of high-fat diet (HFD) fed mice. Prefrontal cortical neurons were cultured with teasaponin and palmitic acid (the most abundant dietary saturated fatty acid) to examine their effects on neurogenesis and BDNF expression in response to leptin. Palmitic acid decreased leptin's effect on neurite outgrowth, postsynaptic density protein 95, and BDNF expression in cultured cortical neurons, which was reversed by teasaponin.

CONCLUSION:

Teasaponin improved the leptin sensitivity of prefrontal cortical neurons in obese mice or when treated by palmitic acid. This in turn increased BDNF expression and neurite growth. Therefore, teasaponin supplementation may be used to prevent obesity-associated neurodegeneration and improve cognitive function.

© 2015 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

http://www.ncbi.nlm.nih.gov/pubmed/26314570
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RE: Vollkommen unverdaute, zusammenhangslose Zitate zum Thema Gehirn
#50
20.01.2016, 10:37 (Dieser Beitrag wurde zuletzt bearbeitet: 20.01.2016, 11:27 von Pygar.)
http://www.ncbi.nlm.nih.gov/pubmed/26612201

Zitat:More attentional focusing through binaural beats: evidence from the global-local task.
Colzato LS1, Barone H2, Sellaro R2, Hommel B2.



Abstract


A recent study showed that binaural beats have an impact on the efficiency of allocating attention over time. We were interested to see whether this impact affects attentional focusing or, even further, the top-down control over irrelevant information. Healthy adults listened to gamma-frequency (40 Hz) binaural beats, which are assumed to increase attentional concentration, or a constant tone of 340 Hz (control condition) for 3 min before and during a global-local task. While the size of the congruency effect (indicating the failure to suppress task-irrelevant information) was unaffected by the binaural beats, the global-precedence effect (reflecting attentional focusing) was considerably smaller after gamma-frequency binaural beats than after the control condition. Our findings suggest that high-frequency binaural beats bias the individual attentional processing style towards a reduced spotlight of attention.



http://www.ncbi.nlm.nih.gov/pubmed/26637968
Zitat:A single bout of meditation biases cognitive control but not attentional focusing: Evidence from the global-local task.

Colzato LS1, van der Wel P2, Sellaro R2, Hommel B2.


Author information





Abstract


Recent studies show that a single bout of meditation can impact information processing. We were interested to see whether this impact extends to attentional focusing and the top-down control over irrelevant information. Healthy adults underwent brief single bouts of either focused attention meditation (FAM), which is assumed to increase top-down control, or open monitoring meditation (OMM), which is assumed to weaken top-down control, before performing a global-local task. While the size of the global-precedence effect (reflecting attentional focusing) was unaffected by type of meditation, the congruency effect (indicating the failure to suppress task-irrelevant information) was considerably larger after OMM than after FAM. Our findings suggest that engaging in particular kinds of meditation creates particular cognitive-control states that bias the individual processing style toward either goal-persistence or cognitive flexibility
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RE: Vollkommen unverdaute, zusammenhangslose Zitate zum Thema Gehirn
#51
16.02.2016, 08:23
The Science of How What We Believe Becomes Our Reality - Part I
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RE: Vollkommen unverdaute, zusammenhangslose Zitate zum Thema Gehirn
#52
17.02.2016, 07:46
http://www.refinery29.com/2016/02/103004...ign=buffer

Zitat:"We saw that on the higher end of the fiber intake, there was more deep sleep and less time spent in stage 1 sleep or light sleep," explains lead study author Marie-Pierre St-Onge, PhD, of the Institute of Human Nutrition at Columbia University Medical Center. "On the lower end, we saw the opposite."

The researchers also saw a correlation between eating more saturated fat and a decrease in deep and restorative sleep, as well as a link between eating sweets and how often people woke up throughout the night.

Dr. St-Onge says this adds to previous studies that suggest eating more refined carbohydrates might keep you up by decreasing serotonin levels in the brain. Other research has found that eating a carb-rich meal before bed might even delay certain stages in your circadian rhythm: the release of the snooze-inducing hormone melatonin and an increase in body temperature.
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Du bist ein guter Klarträumer, das Klarträumen fällt dir leicht

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RE: Vollkommen unverdaute, zusammenhangslose Zitate zum Thema Gehirn
#53
23.02.2016, 12:31 (Dieser Beitrag wurde zuletzt bearbeitet: 23.02.2016, 13:22 von Pygar.)
How Meditation Changes the Brain and Body

http://well.blogs.nytimes.com/2016/02/18...p=cur&_r=1

Which Type of Exercise Is Best for the Brain?

http://well.blogs.nytimes.com/2016/02/17...rain/?_r=0

Always Tired? 8 (Curable) Conditions That Mimic Chronic Fatigue

http://www.nootropix.com/8-common-condit...c-fatigue/
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Du bist ein guter Klarträumer, das Klarträumen fällt dir leicht

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RE: Vollkommen unverdaute, zusammenhangslose Zitate zum Thema Gehirn
#54
25.02.2016, 08:44
[Bild: CbXncupUMAAfYNX.jpg:large]

Besonders der Punkt "Mirroring" ist nach wie vor interessant. Wenn man das aufs Klarträumen anwendet, müsste jemand, der häufig jemandem zuhört, wie er von seinen Klarträumen berichtet, selbst Klarträumer werden.
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Du bist ein guter Klarträumer, das Klarträumen fällt dir leicht

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RE: Vollkommen unverdaute, zusammenhangslose Zitate zum Thema Gehirn
#55
09.03.2016, 09:36
http://journals.plos.org/plosone/article...ne.0149369

Zitat: this study we sought to explore how experience with specific mental and somatic practices is associated with wisdom, using self-report measures of experience and wisdom. We administered standard surveys to measure wisdom and experience among four groups of practitioners of mental and somatic practices, namely, meditators, practitioners of the Alexander Technique, practitioners of the Feldenkrais Method, and classical ballet dancers. We additionally administered surveys of trait anxiety and empathy to all participants to explore possible mediating relationships of experience and wisdom by characteristics thought to be components of wisdom. Wisdom was higher on average among meditation practitioners, and lowest among ballet dancers, and this difference held when controlling for differences in age between practices, supporting the view that meditation is linked to wisdom and that ballet is not. However, we found that increased experience with meditation and ballet were both positively associated with wisdom, and that lowered trait anxiety mediated this positive association among meditation practitioners, and, non-significantly, among ballet dancers. These results suggest that not all practices that are purported to affect mental processing are related to wisdom to the same degree and different kinds of experience appear to relate to wisdom in different ways, suggesting different mechanisms that might underlie the development of wisdom with experience.

Zitat: An open, expansive posture has been shown to increase feelings of power and tolerance of risk, decrease cortisol, and elevate testosterone levels [27]. Alternatively, hunched postures elicit more depressed feelings [28], and tilting the head upward induces pride [29].


Zitat:Research suggests that FM [Feldenkrais Method] leads to both physical and mental improvements, including increased muscle length and flexibility [32], improvements in posture and muscle relaxation [33], reduced anxiety [34], as well as elevated mood, enhanced ability to learn, and increased clarity of thought [35].
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RE: Vollkommen unverdaute, zusammenhangslose Zitate zum Thema Gehirn
#56
17.03.2016, 15:08 (Dieser Beitrag wurde zuletzt bearbeitet: 17.03.2016, 15:09 von Pygar.)
https://en.wikipedia.org/wiki/Sensory_deprivation

Zitat:When complete, the same tests were conducted a second time. The results indicated all volunteers' ability to complete the simplest tasks had deteriorated. One subject's memory capacity fell 36% and all the subjects had trouble thinking of words beginning with a nominated letter; in this case, the letter "F". All four of the men had markedly increased suggestibility, although this was not the case with the women.[19]
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RE: Vollkommen unverdaute, zusammenhangslose Zitate zum Thema Gehirn
#57
29.03.2016, 13:54
Zitat:One meta-analysis focused on studies in children, reporting overall increases in perceptual skill, academic readiness, IQ, achievement, and performance on standardized math and verbal tests (Sibley & Etnier 2003). Combined with findings revealing that exercise can facilitate declarative learning in adults (Pereira et al., 2007) and executive function in the elderly (Reviewed in Colcombe & Kramer, 2003), these results suggest that exercise can act as a cognitive enhancer, facilitating learning seemingly across the lifespan.

http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3445739/
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RE: Vollkommen unverdaute, zusammenhangslose Zitate zum Thema Gehirn
#58
10.05.2016, 10:55
http://cercor.oxfordjournals.org/content...7.abstract
Zitat:Brain Network Reconfiguration and Perceptual Decoupling During an Absorptive State of Consciousness

Michael J. Hove1,2,†,
Johannes Stelzer1,3,†,
Till Nierhaus1,4,
Sabrina D. Thiel1,
Christopher Gundlach1,
Daniel S. Margulies1,
Koene R. A. Van Dijk5,
Robert Turner1,
Peter E. Keller1,6 and
Björn Merker7


+
Author Affiliations
1Max Planck Institute for Human Cognitive and Brain Sciences, Leipzig, Germany
2Harvard Medical School, Massachusetts General Hospital, Boston, MA, USA
3Max Planck Institute for Biological Cybernetics, Tübingen, Germany
4Neurocomputation and Neuroimaging Unit, Freie Universität Berlin, Berlin, Germany
5Harvard University, Cambridge, MA, USA
6The MARCS Institute, University of Western Sydney, Australia
7Kristianstad, Sweden
Address correspondence to Michael Hove, Harvard Medical School, Department of Psychiatry, Room 2660, 149 13th Street, Charlestown, MA 02129, USA. Email: michaeljhove@gmail.com

↵† These authors contributed equally to this work.



Abstract

Trance is an absorptive state of consciousness characterized by narrowed awareness of external surroundings and has long been used—for example, by shamans—to gain insight. Shamans across cultures often induce trance by listening to rhythmic drumming. Using functional magnetic resonance imaging (fMRI), we examined the brain-network configuration associated with trance. Experienced shamanic practitioners (n = 15) listened to rhythmic drumming, and either entered a trance state or remained in a nontrance state during 8-min scans. We analyzed changes in network connectivity. Trance was associated with higher eigenvector centrality (i.e., stronger hubs) in 3 regions: posterior cingulate cortex (PCC), dorsal anterior cingulate cortex (dACC), and left insula/operculum. Seed-based analysis revealed increased coactivation of the PCC (a default network hub involved in internally oriented cognitive states) with the dACC and insula (control-network regions involved in maintaining relevant neural streams). This coactivation suggests that an internally oriented neural stream was amplified by the modulatory control network. Additionally, during trance, seeds within the auditory pathway were less connected, possibly indicating perceptual decoupling and suppression of the repetitive auditory stimuli. In sum, trance involved coactive default and control networks, and decoupled sensory processing. This network reconfiguration may promote an extended internal train of thought wherein integration and insight can occur.
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RE: Vollkommen unverdaute, zusammenhangslose Zitate zum Thema Gehirn
#59
13.05.2016, 13:07
Zitat:ast summer, Tim Lomas flew from London to Orlando to attend the fourth annual congress of the International Positive Psychology Association—held, naturally, at Walt Disney World. As Lomas wandered around the event, popping in and out of various sessions, he stumbled upon a presentation by Emilia Lahti, a doctoral student at Aalto University, in Helsinki. Lahti was giving a talk on sisu, a Finnish word for the psychological strength that allows a person to overcome extraordinary challenges. Sisu is similar to what an American might call perseverance, or the trendier concept of grit, but it has no real equivalent in English. It connotes both determination and bravery, a willingness to act even when the reward seems out of reach. Lomas had never heard the word before, and he listened with fascination as Lahti discussed it. “She suggested that this has been really valued and valorized by the Finns, and it was an important part of their culture,” he told me. At the same time, Lomas said, Lahti framed sisu as “a universal human capacity—it just so happened that the Finns had noticed it and coined a word for it.” The conference ended the next day, but Lomas kept thinking about sisu. There must be other expressions like it, he thought—words in foreign languages that described positive traits, feelings, experiences, and states of being that had no direct counterparts in English. Wouldn’t it be fascinating, he wondered, to gather all these in one place?

Zitat: The first group of words referred to feelings, such as Heimat (German, “deep-rooted fondness towards a place to which one has a strong feeling of belonging”). The second referred to relationships, and included mamihlapinatapei (Yagán, “a look between people that expresses unspoken but mutual desire”), queesting (Dutch, “to allow a lover access to one’s bed for chitchat”), and dadirri (Australian Aboriginal, “a deep, spiritual act of reflective and respectful listening”).

http://www.newyorker.com/tech/elements/t...-happiness
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RE: Vollkommen unverdaute, zusammenhangslose Zitate zum Thema Gehirn
#60
30.05.2016, 11:40
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