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Last Edition's Most Popular Article(s): News Feature: The Neuroscience of Poverty, PNAS In The Popular Press: Responsibility: Revis(ion)ing Brains Via Cognitive Enhancement, The Neuroethics Blog My 'Smart Drugs' Nightmare, BBC News The Terrible Beauty of Brain Surgery, New York Times...
Intelligent Insights on Intelligence Theories and Tests
Sunday, January 10, 2016
Vocabulary development and reading comprehension
File under Grw and Gc-VL (lexical knowledge) in the CHC taxonomy. Click on images to enlarge.
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Friday, January 08, 2016
Sharing Hierarchies of factor solutions in the intelligence domain: Applying methodology from personality psychology to gain insights into the nature of intelligence via BrowZine
Hierarchies of factor solutions in the intelligence domain: Applying methodology from personality psychology to gain insights into the nature of intelligence
Lang, Jonas W.B.; Kersting, Martin; Beauducel, André
Learning and Individual Differences, Vol. 47 – 2016: 37 - 50
10.1016/j.lindif.2015.12.003
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Lang, Jonas W.B.; Kersting, Martin; Beauducel, André
Learning and Individual Differences, Vol. 47 – 2016: 37 - 50
10.1016/j.lindif.2015.12.003
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Sharing Dynamic testing: Assessing cognitive potential of children with culturally diverse backgrounds via BrowZine
Dynamic testing: Assessing cognitive potential of children with culturally diverse backgrounds
Stevenson, Claire E.; Heiser, Willem J.; Resing, Wilma C.M.
Learning and Individual Differences, Vol. 47 – 2016: 27 - 36
10.1016/j.lindif.2015.12.025
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Stevenson, Claire E.; Heiser, Willem J.; Resing, Wilma C.M.
Learning and Individual Differences, Vol. 47 – 2016: 27 - 36
10.1016/j.lindif.2015.12.025
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Sharing Does experience with spatial school subjects favour girls' mental rotation performance? via BrowZine
File under Gv -Vz in CHC taxonomy.
Does experience with spatial school subjects favour girls' mental rotation performance?
Moè, Angelica
Learning and Individual Differences, Vol. 47 – 2016: 11 - 16
10.1016/j.lindif.2015.12.007
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Does experience with spatial school subjects favour girls' mental rotation performance?
Moè, Angelica
Learning and Individual Differences, Vol. 47 – 2016: 11 - 16
10.1016/j.lindif.2015.12.007
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Thursday, January 07, 2016
Research byte: Working memory (Gwm), Gs (processing speed), fluid intelligence (Gf) and ADHD
Working memory – not processing speed – mediates fluid intelligence deficits associated with attention deficit/hyperactivity disorder symptoms
Article first published online: 31 DEC 2015
DOI: 10.1111/jnp.12096
© 2015 The British Psychological Society
Issue
Journal of Neuropsychology
Keywords:
- attention deficit/hyperactivity disorder;
- fluid intelligence;
- working memory;
- processing speed
Abstract
Attention
deficit/hyperactivity disorder (ADHD) is a psychological condition
characterized by inattention and hyperactivity. Cognitive deficits are
commonly observed in ADHD patients, including impaired working memory,
processing speed, and fluid intelligence, the three of which are
theorized to be closely associated with one another. In this study, we
aimed to determine if decreased fluid intelligence was associated with
ADHD, and was mediated by deficits in working memory and processing
speed. This study tested 142 young adults from the general population on
a range of working memory, processing speed, and fluid intelligence
tasks, and an ADHD self-report symptoms questionnaire. Results showed
that total and hyperactive ADHD symptoms correlated significantly and
negatively with fluid intelligence, but this association was fully
mediated by working memory. However, inattentive symptoms were not
associated with fluid intelligence. Additionally, processing speed was
not associated with ADHD symptoms at all, and was not uniquely
predictive of fluid intelligence. The results provide implications for
working memory training programs for ADHD patients, and highlight
potential differences between the neuropsychological profiles of ADHD
subtypes.
Being fluent at swearing is a sign of healthy verbal ability
Interesting. File under speed of lexical access (LA) in the CHC taxonomy of human cognitive abilities :)
Being fluent at swearing is a sign of healthy verbal ability
By guest blogger Richard Stephens Swearing is an incredibly versatile aspect of language – take the word "fuck" for example. This highly…
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Tuesday, January 05, 2016
Sharing Beyond Words: How Humans Communicate Through Sound via BrowZine
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Can't wait to read. Dr. Kraus does some of the best sound/auditory/cognition research in her Auditory Neuroscience Lab at Northwestern University
Lumosity pays $2 million to FTC to settle bogus “Brain Training” claims
Lumosity pays $2 million to FTC to settle bogus "Brain Training" claims
(credit: Lumosity)Lumos Labs, the company behind the popular Lumosity "Brain Training" program, is agreeing to pay $2 million to…
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Monday, January 04, 2016
Developmental Cognitive Neuroscience
Developmental Cognitive Neuroscience
Reviews Original Research Original Research Article Pages 1-9 Anna S. Huang, Daniel N. Klein, Hoi-Chung Leung Open Access Open Access Article Original Research…
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Sunday, January 03, 2016
Thursday, December 31, 2015
Debate Rages Over Whether Speaking A Second Language Improve...
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Tuesday, December 29, 2015
Two more Go (general olfactory ability domain) research articles to file under Go in CHC taxonomy of human abilities
Longitudinal changes in odor identification performance and neuropsychological measures in aging individuals.
Neuropsychology, Vol 30(1), Jan 2016, 87-97.
http://dx.doi.org.ezp1.lib.umn.edu/10.1037/neu0000212
Abstract
- Objective: To examine changes in odor identification performance and cognitive measures in healthy aging individuals. While cross-sectional studies reveal associations between odor identification and measures of episodic memory, processing speed, and executive function, longitudinal studies so far have been ambiguous with regard to demonstrating that odor identification may be predictive of decline in cognitive function. Method: One hundred and 7 healthy aging individuals (average age 60.2 years, 71% women) were assessed with an odor identification test and nonolfactory cognitive measures of verbal episodic memory, mental processing speed, executive function, and language 3 times, covering a period of 6.5 years. Results: The cross-sectional results revealed odor identification performance to be associated with age, measures of verbal episodic memory, and processing speed. Using linear mixed models, the longitudinal analyses revealed age-associated decline in all measures. Controlling for retest effects, the analyses demonstrated that gender was a significant predictor for episodic memory and mental processing speed. Odor identification performance was further shown to be a significant predictor for episodic verbal memory. Conclusion: This study shows age-related decline in odor identification as well as nonolfactory cognitive measures. The finding showing that odor identification is a significant predictor for verbal episodic memory is of great clinical interest as odor identification has been suggested as a sensitive measure of incipient pathologic cognitive decline. (PsycINFO Database Record (c) 2015 APA, all rights reserved)
Olfactory identification and its relationship to executive
functions, memory, and disability one year after severe traumatic brain
injury.
Sigurdardottir, Solrun;
Andelic, Nada;
Skandsen, Toril;
Anke, Audny;
Roe, Cecilie;
Holthe, Oyvor Oistensen;
Wehling, Eike
Neuropsychology, Vol 30(1), Jan 2016, 98-108.
http://dx.doi.org.ezp1.lib.umn.edu/10.1037/neu0000206
Abstract
- Objective: To explore the frequency of posttraumatic olfactory (dys)function 1 year after severe traumatic brain injury (TBI) and determine whether there is a relationship between olfactory identification and neuropsychological test performance, injury severity and TBI-related disability. Method: A population-based multicenter study including 129 individuals with severe TBI (99 males; 16 to 85 years of age) that could accomplish neuropsychological examinations. Olfactory (dys)function (anosmia, hyposmia, normosmia) was assessed by the University of Pennsylvania Smell Identification Test (UPSIT) or the Brief Smell Identification Test (B-SIT). Three tests of the Delis-Kaplan Executive Function System (D-KEFS) were used to assess processing speed, verbal fluency, inhibition and set-shifting, and the California Verbal Learning Test-II was used to examine verbal memory. The Glasgow Outcome Scale-Extended (GOSE) was used to measure disability level. Results: Employing 2 different smell tests in 2 equal-sized subsamples, the UPSIT sample (n = 65) classified 34% with anosmia and 52% with hyposmia, while the B-SIT sample (n = 64) classified 20% with anosmia and 9% with hyposmia. Individuals classified with anosmia by the B-SIT showed significantly lower scores for set-shifting, category switching fluency and delayed verbal memory compared to hyposmia and normosmia groups. Only the B-SIT scores were significantly correlated with neuropsychological performance and GOSE scores. Brain injury severity (Rotterdam CT score) and subarachnoid hemorrhage were related to anosmia. Individuals classified with anosmia demonstrated similar disability as those with hyposmia/normosmia. Conclusions: Different measures of olfaction may yield different estimates of anosmia. Nevertheless, around 1 third of individuals with severe TBI suffered from anosmia, which may also indicate poorer cognitive outcome. (PsycINFO Database Record (c) 2015 APA, all rights reserved)
Sunday, December 27, 2015
Smell Tests Could One Day Reveal Head Trauma and Neurodegene...
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Friday, December 25, 2015
Sharing Sex and sex-role differences in specific cognitive abilities via BrowZine
Sex and sex-role differences in specific cognitive abilities
Reilly, David; Neumann, David L.; Andrews, Glenda
Intelligence, Vol. 54 – 2016: 147 - 158
10.1016/j.intell.2015.12.004
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Reilly, David; Neumann, David L.; Andrews, Glenda
Intelligence, Vol. 54 – 2016: 147 - 158
10.1016/j.intell.2015.12.004
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Wednesday, December 23, 2015
Feelings and the Sense of Time in the Brain
Feelings and the Sense of Time in the Brain
Time moves slowly when sitting on a very hot surface and when waiting for a lover to arrive. It moves quickly when joyful. If life is threatened time moves…
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Sharing Increases in the right dorsolateral prefrontal cortex and decreases the rostral prefrontal cortex activation after-8 weeks of focused attention based mindfulness meditation via BrowZine
Increases in the right dorsolateral prefrontal cortex and decreases the rostral prefrontal cortex activation after-8 weeks of focused attention based mindfulness meditation
Tomasino, Barbara; Fabbro, Franco
Brain and Cognition, Vol. 102 – 2016: 46 - 54
10.1016/j.bandc.2015.12.004
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Tomasino, Barbara; Fabbro, Franco
Brain and Cognition, Vol. 102 – 2016: 46 - 54
10.1016/j.bandc.2015.12.004
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Tuesday, December 22, 2015
Sharing Cognitive correlates of developing intelligence: The contribution of working memory, processing speed and attention via BrowZine
Cognitive correlates of developing intelligence: The contribution of working memory, processing speed and attention
Tourva, Anna; Spanoudis, George; Demetriou, Andreas
Intelligence, Vol. 54 – 2016: 136 - 146
10.1016/j.intell.2015.12.001
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Tourva, Anna; Spanoudis, George; Demetriou, Andreas
Intelligence, Vol. 54 – 2016: 136 - 146
10.1016/j.intell.2015.12.001
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