nhaliday + inhibition   32

“A state of flow can be achieved by deep work” | Hacker News
When I start my morning, I refused to pick up my phone and check out social media (usually I would take a 45 minute dump just catching up on stuff posted last night). Sure my morning chores became a bit boring, but I also became more efficient (I started getting to work sooner).

Basically, by the time I get to my desk, I am so bored that the most interesting thing I can do is work. And my work (programming) is a very interesting task, it used to keep me engaged for hours and hours, it's just that Social Media defeated it.

hn  commentary  techtariat  tech  working-stiff  attention  the-monster  focus  productivity  discipline  self-control  inhibition  multi  twitter  social  barons  emotion 
february 2017 by nhaliday
The Learning Brain: Neuronal Recycling and Inhibition: Zeitschrift für Psychologie: Vol 224, No 4
Reading is an example of complex learning specific to human beings. In readers, an area of the brain is dedicated to the visual processing of letters and words, referred to as the visual word form area (VWFA). The existence of this brain area is paradoxical. Reading is too recent to be a phylogenic product of Darwinian evolution. It likely develops with intense school training via a neuroplastic ontogenic process of neuronal recycling: neurons in the lateral occipitotemporal lobe originally tuned to the visual recognition of stimuli, such as faces, objects, and animals, will be recycled for the visual recognition of letters and words. Thus, the VWFA inherits the intrinsic properties of these neurons, notably, mirror generalization, a process (or heuristic) applied to all visual stimuli that enables the recognition of a stimulus irrespective of its left-right orientation. On its own, this inherited property is not adapted to reading because it makes children confuse mirror letters, such as b and d in the Latin alphabet. In this article, we present evidence that inhibitory control is critical to avoid mirror errors inherited from the neuronal recycling process by blocking the mirror generalization heuristic in the context of reading. We subsequently argue that the “neuronal recycling + inhibitory control” law constitutes a general law of the learning brain by demonstrating that it may also account for the development of numeracy.
study  psychology  cog-psych  neurons  neuro  evolution  evopsych  learning  eden  attention  models  thinking  retrofit  roots  psych-architecture  inhibition  studying  🌞 
february 2017 by nhaliday
Overlearning hyperstabilizes a skill by making processing inhibitory-dominant | Hacker News
Usually, learning immediately after training is so unstable that it can be disrupted by subsequent new learning until after passive stabilization occurs hours later. However, overlearning so rapidly and strongly stabilizes the learning state that it not only becomes resilient against, but also disrupts, subsequent new learning. Such hyperstabilization is associated with an abrupt shift from glutamate-dominant excitatory to GABA-dominant inhibitory processing in early visual areas. Hyperstabilization contrasts with passive and slower stabilization, which is associated with a mere reduction of excitatory dominance to baseline levels. Using hyperstabilization may lead to efficient learning paradigms.
hn  commentary  study  org:nat  summary  psychology  cog-psych  learning  neurons  neuro  thinking  retention  practice  brain-scan  neuro-nitgrit  inhibition  mindful  knowledge 
february 2017 by nhaliday
On Refusing to Read - The Chronicle of Higher Education
The activity of nonreading is something that scholars rarely discuss. When they — or others whose identities are bound up with books — do so, the discussions tend to have a shamefaced quality. Blame "cultural capital" — the sense of superiority associated with laying claim to books that mark one’s high social status. More entertainingly, blame Humiliation, the delicious game that a diabolical English professor invents in David Lodge’s 1975 academic satire, Changing Places. In a game of Humiliation, players win points for not having read canonical books that everyone else in the game has read. One hapless junior faculty member in the novel wins a departmental round but loses his tenure case. In real life, the game has been most happily played by the tenured professor secure in his reputation. Changing Places had apparently inspired my adviser’s confession to someone at some point, and the information then wound through the gossip mill to reach me, standing around in the mid-1990s with a beer, trying to hide my own growing list of unread books.

Consider, however, the fact that, as Matthew Wilkens points out, in 2011 more than 50,000 new novels were published in the United States alone. "The problem of abundance" is a problem for every person who has an internet connection, and it is a professional problem in every corner of literary study. Nonreading, seen in this light, is not a badge of shame, but the way of the future. Franco Moretti has been making this point for years about the literary production of the 18th and 19th centuries, inspiring a few labs-worth of scholars to turn to machine reading — for example, using algorithms to find patterns in a particular era’s literary works. This is a form of not reading that holds tight to the dream that our literary scholarship should be based on the activity of reading as much as humanly or inhumanly possible.
academia  literature  learning  attention  contrarianism  essay  rhetoric  len:long  org:mag  org:edu  minimalism  news  signal-noise  serene  culture  time-use  inhibition  info-foraging  prioritizing  explore-exploit 
september 2016 by nhaliday
Genetic Relations Among Procrastination, Impulsivity, and Goal-Management Ability: Implications for the Evolutionary Origin of Procrastination : slatestarcodex
First, both procrastination and impulsivity were moderately heritable (46% and 49%, respectively). Second, although the two traits were separable at the phenotypic level (r=.65), they were not separable at the genetic level (rg=1.0). Finally, variation in goal-management ability accounted for much of this shared genetic variation. These results suggest that procrastination and impulsivity are linked primarily through genetic influences on the ability to use their high-priority goals effectively to regulate their action.

An Investigation of Genetic and Environmental Influences Across The Distribution of Self-Control: https://www.researchgate.net/publication/316292004_An_Investigation_of_Genetic_and_Environmental_Influences_Across_The_Distribution_of_Self-Control
Subsequent biometric quantile regression models revealed that genetic influences on self-control were maximized in the 50th and 60th percentiles and minimized in the tails of the distribution. Shared environmental influences were nonsignificant at all examined quantiles of self-control with only one exception.

The Heritability of Self-Control: a Meta-Analysis: https://sci-hub.tw/10.1016/j.neubiorev.2019.02.012
The aim of this study was to perform a meta-analysis to provide a quantitative overview of the heritability of self-control. A systematic search resulted in 31 included studies, 17 reporting on individual samples, based on a sample size of >30,000 twins, published between 1997 and 2018. Our results revealed an overall monozygotic twin correlation of .58, and an overall dizygotic twin correlation of .28, resulting in a heritability estimate of 60%. The heritability of self-control did not vary across gender or age. The heritability did differ across informants, with stronger heritability estimates based on parent report versus self-report or observations.


The MZ correlation was twice as large as the DZ correlation, indicating little to no evidence for shared environmental effects. Rather, these results suggest that environmental effects on self-control, that explain 40% of the variance, are unique to individuals. This is in line with the standardized variance estimates reported by the studies, where76% of the studies reported no or very little influence of the shared environment on the variance in self-control.
reddit  commentary  akrasia  genetics  cog-psych  psychology  gwern  discipline  ssc  ratty  variance-components  twin-study  genetic-correlation  study  correlation  aversion  decision-making  the-monster  biodet  🌞  self-control  focus  inhibition  procrastination  behavioral-gen  multi  environmental-effects  curvature  null-result  convexity-curvature  piracy  pdf  meta-analysis 
august 2016 by nhaliday

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