tag:blogger.com,1999:blog-5880610.post8743346332438191357..comments2024-01-13T18:57:18.243-05:00Comments on Information Processing: What is g?Steve Hsuhttp://www.blogger.com/profile/02428333897272913660noreply@blogger.comBlogger20125tag:blogger.com,1999:blog-5880610.post-61920181743730137722011-07-19T06:10:56.600-04:002011-07-19T06:10:56.600-04:00This is my first time i visit here. I found so man...This is my first time i visit here. I found so many entertaining stuff in your blog, especially its discussion. From the tons of comments on your articles, I guess I am not the only one having all the enjoyment here! Keep up the good workEssyy Webbnoreply@blogger.comtag:blogger.com,1999:blog-5880610.post-62078212786456266162011-06-26T14:54:36.549-04:002011-06-26T14:54:36.549-04:00"I don't doubt that there are correlates ..."I don't doubt that there are correlates for the severe mental illnesses, but heritability AND physical correlates doesn't mean genes are causing those correlates."<br />True, but you didn't say genes initially, you said "There are as yet NO biological correlates of mental illness." If you meant "genes" when you said "biological correlates", Hao Yenoreply@blogger.comtag:blogger.com,1999:blog-5880610.post-27379685603292793622011-06-26T00:40:53.058-04:002011-06-26T00:40:53.058-04:00It does seem that way to me Hao. And regarding men...It does <i>seem</i> that way to me Hao. And regarding mental illness I do think you don't know what you're talking about. Although drugs are <i>sometimes</i> helpful in mental illness the reason why is still entirely speculative.MtMorunoreply@blogger.comtag:blogger.com,1999:blog-5880610.post-33169598243719851812011-06-26T00:38:22.548-04:002011-06-26T00:38:22.548-04:00If such and such genes are stronly associated with...If such and such genes are stronly associated with such and such traits <i>today in the US<br /></i> different genes may be associated with such and such traits <i>yesterday or in the future in some other place</i>. Man changes his environment as time goes by. Maybe it's just a matter of taste, but when a result is only true temporarily ... how can a science be built on such results?MtMorunoreply@blogger.comtag:blogger.com,1999:blog-5880610.post-45540281199712570422011-06-26T00:27:05.794-04:002011-06-26T00:27:05.794-04:00"You seem not to understand that what is a go..."You seem not to understand that what is a good environment for one may be a bad environment for another ..."<br />"You do not know what you are talking about."<br />"You also seem not to understand that heritability (...) does not imply a physical basis for schizophrenia in all environments (an absolute physical basis)."<br />I think it's a bit presumptuous to Hao Yenoreply@blogger.comtag:blogger.com,1999:blog-5880610.post-17197143044721220242011-06-25T21:43:49.488-04:002011-06-25T21:43:49.488-04:00Why does variation in environments make it a pseud...Why does variation in environments make it a pseudoscience? Surely a norm of reaction isn't pseudoscience. And why should the fact that the environment is man-made deter us? I'm genuinely interested in how much genes vs environments matter for success in our modern society, and in other societies past and present.ben_gnoreply@blogger.comtag:blogger.com,1999:blog-5880610.post-58895532110299957232011-06-25T20:20:43.747-04:002011-06-25T20:20:43.747-04:00"All aspects of a person at time t are, in so..."All aspects of a person at time t are, in some sense, a convolution of that person's innateness (let's say genetics) and environment (SES, exposure to opportunities, epigenetics, etc.)."<br /><br />"The studies Steve described and linked to certainly seem to suggest that there are."<br /><br />You seem not to understand that what is a good environment for one may not MtMorunoreply@blogger.comtag:blogger.com,1999:blog-5880610.post-48831656099733520782011-06-25T19:44:28.495-04:002011-06-25T19:44:28.495-04:00"That in the same environment some win a Nobe..."That in the same environment some win a Nobel and others clean toilets may be because those who win a Nobel are more suited to that environment."<br />All aspects of a person at time t are, in some sense, a convolution of that person's innateness (let's say genetics) and environment (SES, exposure to opportunities, epigenetics, etc.)<br /><br />"The heritability of IQ doesHao Yenoreply@blogger.comtag:blogger.com,1999:blog-5880610.post-35208463902632471692011-06-24T22:59:31.661-04:002011-06-24T22:59:31.661-04:00That in the same environment some win a Nobel and ...That in the same environment some win a Nobel and others clean toilets may be because those who win a Nobel are more suited to that environment. <br /><br />There are as yet NO biological correlates on mental illness. <br /><br />Speculating about a physical basis for IQ sounds like astrology.MtMorunoreply@blogger.comtag:blogger.com,1999:blog-5880610.post-4839028726609496492011-06-24T21:23:16.814-04:002011-06-24T21:23:16.814-04:00clarification please? What exactly, have I reifie...clarification please? What exactly, have I reified?<br /><br />If you don't believe g is anything more than a statistical quantity, that's fine: but I don't claim that it is either. I used the word "associated", but meant it in the statistical sense, and even then, I've phrased everything as hypotheses.Hao Yenoreply@blogger.comtag:blogger.com,1999:blog-5880610.post-25802258178308150692011-06-24T19:58:29.274-04:002011-06-24T19:58:29.274-04:00"these Koreans and their Yale collaborator ar..."these Koreans and their Yale collaborator are cooking their data"<br /> <br />I wouldn't be surprised. 50%? Gould was opposed to the reification of psychometric g. Steve is TOO.MtMorunoreply@blogger.comtag:blogger.com,1999:blog-5880610.post-63403418218427067972011-06-24T19:53:49.409-04:002011-06-24T19:53:49.409-04:00 /\
||
||
||
||
reification. /\<br /> ||<br /> ||<br /> ||<br /> ||<br />reification.MtMorunoreply@blogger.comtag:blogger.com,1999:blog-5880610.post-35427749920158314892011-06-24T18:31:07.509-04:002011-06-24T18:31:07.509-04:00I assume you are aware of the hilarious dead salmo...I assume you are aware of the hilarious dead salmon fMRI results? It would be shocking if g can be reduced to any single factor. "Intelligence" is like "strength" - there are various kinds being controlled by various major factors and affected by a zillion of minor other factors.Nano Nymousnoreply@blogger.comtag:blogger.com,1999:blog-5880610.post-26343148451752261002011-06-24T17:40:09.431-04:002011-06-24T17:40:09.431-04:00I wouldn't be surprised if there were a number...I wouldn't be surprised if there were a number of mechanical factors that are directly associated with g. I suspect that the psychometric tests that are used to determine g depend on a number of "components" of brain function, including goal-oriented problem solving (as Duncan describes, which many papers have attributed to the frontal cortex) and the transmission speed/efficiency Hao Yenoreply@blogger.comtag:blogger.com,1999:blog-5880610.post-44263419346194951452011-06-24T07:23:00.854-04:002011-06-24T07:23:00.854-04:00"Despite very different task content..."..."Despite very different task content..."<br /><br />The subjective judegment which may be the opposite of the truth!MtMorunoreply@blogger.comtag:blogger.com,1999:blog-5880610.post-53538887350365159012011-06-24T02:03:49.234-04:002011-06-24T02:03:49.234-04:00There is also the theory that "insightfulness...There is also the theory that "insightfulness" is a little different:<br /><br /><br />http://brain.oxfordjournals.org/content/128/12/2882.full.pdf+html<br /><br />Better without (lateral) frontal cortex? Insight problems solved by frontal patients<br /><br />Carlo Reverberi et al.A recently proposed theory on frontal lobe functions claims that the prefrontal cortex, particularly its Zhengzheng Zhounoreply@blogger.comtag:blogger.com,1999:blog-5880610.post-54384155021706867392011-06-24T00:13:37.535-04:002011-06-24T00:13:37.535-04:00Some recent papers.
"Based on a review of all...Some recent papers.<br />"Based on a review of all the structural and functional neuroimaging literature that was available, Jung and Haier proposed theparieto-frontal integration theory of intelligence (P-FIT), which is arguably the best available description of how intelligence is distributed in the brain."<br />Based on a review of all the structural and functional neuroimaging bottinoreply@blogger.comtag:blogger.com,1999:blog-5880610.post-89443548949485114202011-06-23T22:16:34.423-04:002011-06-23T22:16:34.423-04:00That's interesting about some evidence that g ...That's interesting about some evidence that g is directly associated with frontal cortex activity.<br /><br />I've never studied this field and don't really know anything, but I'd always vaguely imagined that g was probably due to something on the purely biochemical level, like the efficiency of neurotransmission or the relaxation-time of neuron firing stimulation or that sort of RKU1noreply@blogger.comtag:blogger.com,1999:blog-5880610.post-57847448245826364042011-06-23T20:05:28.973-04:002011-06-23T20:05:28.973-04:00g is a good measure of intelligence differences be...g is a good measure of intelligence differences between humans, but I'm not sure it's the same thing that separates our intelligence from other primates.ben_gnoreply@blogger.comtag:blogger.com,1999:blog-5880610.post-59962203579730135402011-06-23T17:29:21.226-04:002011-06-23T17:29:21.226-04:00I could construct a battery where tests of musical...I could construct a battery where tests of musical ability were the most g-loaded. I'd simply have to make sure most of the subtests tested musical ability. <br /> <br />How can it be known that the g-loading of a task isn't simply how well it measures "musical ability", that is, how well it measures the ability which is measured by a majority of tests in the battery?MtMorunoreply@blogger.com