Neural efficiency hypothesis

The neural efficiency hypothesis is the phenomenon where smarter individuals show lower (more efficient) brain activation than less bright individuals on cognitive tests of low to moderate difficulty. For tasks of higher difficulty, however, smarter individuals show higher brain activation.[1][2]

References

Dunst, B; Benedek, M; Jauk, E; Bergner, S; Koschutnig, K; Sommer, M; Ischebeck, A; Spinath, B; Arendasy, M; Bühner, M; Freudenthaler, H; Neubauer, AC (2014). "Neural efficiency as a function of task demands". Intelligence. 42: 22–30. doi:10.1016/j.intell.2013.09.005. PMC 3907682. PMID 24489416.
Neubauer, AC; Fink, A. "Intelligence and neural efficiency". Neurosci Biobehav Rev. 33: 1004–23. doi:10.1016/j.neubiorev.2009.04.001. PMID 19580915.

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[MyUser_Ncbi.nlm.nih.gov_July_27_2015c-1] Dunst, B; Benedek, M; Jauk, E; Bergner, S; Koschutnig, K; Sommer, M; Ischebeck, A; Spinath, B; Arendasy, M; Bühner, M; Freudenthaler, H; Neubauer, AC (2014). "Neural efficiency as a function of task demands". Intelligence. 42: 22–30. doi:10.1016/j.intell.2013.09.005. PMC 3907682. PMID 24489416.

[MyUser_asfafaNcbi.nlm.nih.gov_July_27_2015c-2] Neubauer, AC; Fink, A. "Intelligence and neural efficiency". Neurosci Biobehav Rev. 33: 1004–23. doi:10.1016/j.neubiorev.2009.04.001. PMID 19580915.