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AutorPreusse, Franziska
InstitutionHumboldt-Universität zu Berlin
TitelHigh fluid intelligence and analogical reasoning.
Behavioural and cerebral correlates and their temporal characteristics.
QuelleBerlin: Humboldt-Universität zu Berlin (2011), XIII, 42 S.
PDF als Volltext (1); PDF als Volltext (2)  Link als defekt melden    Verfügbarkeit 
Diss., Humboldt-Universität zu Berlin, 2011.
BeigabenLiteraturangaben
Spracheenglisch
Dokumenttypgedruckt; online; Monographie
DOI10.18452/16424
SchlagwörterIntelligenz (Psy); Begabung; Fähigkeit; Intelligenztest; Mathematik; Geometrie; Schule; Neurologie; Messverfahren; Hirnfunktion;
AbstractHitherto, previous studies on the cerebral correlates of fluid intelligence (fluIQ) used tasks that did not exclusively demand fluIQ, or were restricted to participants of average fluIQ (ave-fluIQ) solving intelligence test items of varying difficulty, thus not allowing assumptions on interindividual differences in fluIQ. Geometric analogical reasoning (GAR) demands fluIQ very purely and thus is an eligible approach for research on interindividual differences in fluIQ. In a first study, we examined the cerebral correlates of GAR, and showed the involvement of parietal and frontal brain regions. This is in line with the assumptions of the parieto-frontal integration theory (P-FIT) of intelligence and with literature reports for other visuo-spatial tasks. Building upon these findings, we report results from a second study with high fluIQ (hi-fluIQ) and ave-fluIQ school students solving a GAR task. Again in line with the P-FIT model, we demonstrated that the parieto-frontal network is involved in GAR in both groups. However, the extent of task-related brain activation in parietal and frontal brain regions was differentially modulated by fluIQ. Our results thus partly run counter to the postulates of the neural efficiency hypothesis, which assumes a negative brain activation-intelligence relationship. We conclude that this relationship is not generally unitary; rather, it can be conjectured that the adaptive and flexible modulation of brain activation is characteristic of hi-fluIQ. Knowledge on the stability of the cerebral correlates of hi-fluIQ during adolescence had been sparse. To elucidate this field, we examined the follow-up stability of the cerebral correlates of GAR in hi-fluIQ in a third study. We demonstrated that the relevant brain network is in place already at age 17 and that improvements in behavioral performance at age 18 due to task familiarity are indicative of more efficient use of the cerebral resources available. (Orig.).
Erfasst vonDIPF | Leibniz-Institut für Bildungsforschung und Bildungsinformation, Frankfurt am Main
UpdateNeueintrag 2020-02
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