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Neural Activity When People Solve Verbal Problems with Insight
This work observed two objective neural correlates of insight: increased activity in the right hemisphere anterior superior temporal gyrus for insight relative to noninsight solutions and a sudden burst of high-frequency neural activity prior to insight solutions.
Oscillations in the alpha band (9-12 Hz) increase with memory load during retention in a short-term memory task.
It is found that the alpha peak systematically increased with the number of items held in working memory and the load dependence and the tight temporal regulation of alpha provide strong evidence that thealpha generating system is directly or indirectly linked to the circuits responsible for working memory.
New approaches to demystifying insight
Concreteness effects in semantic processing: ERP evidence supporting dual-coding theory.
The merits of dual-coding and context-availability theories were investigated by examining the topographic distribution of event-related brain potentials in 2 experiments and different scalp distributions of an N400-like negativity were elicited by concrete and abstract words.
Dual-coding, context-availability, and concreteness effects in sentence comprehension: an electrophysiological investigation.
- P. Holcomb, J. Kounios, J. E. Anderson, W. West
- PsychologyJournal of experimental psychology. Learning…
- 11 March 1999
Although the interaction of context and concreteness is consistent with the context-availability model, the differential scalp distribution of effects for concrete and abstract Words was interpreted as being more consistent with an extended dual-code account of semantic processing.
The cognitive neuroscience of insight.
The cognitive neuroscience of insight is an exciting new area of research with connections to fundamental neurocognitive processes and individual differences in the tendency to solve problems insightfully rather than in a deliberate, analytic fashion are associated with different patterns of resting-state brain activity.
The Prepared Mind
The results for electroencephalographic topography and frequency suggest that non-insight preparation, in contrast, involves increased occipital activity consistent with an increase in externally directed visual attention, and general preparatory mechanisms modulate problem-solving strategy.
EEG Neurofeedback: A Brief Overview and an Example of Peak Alpha Frequency Training for Cognitive Enhancement in the Elderly
- E. Angelakis, S. Stathopoulou, J. Frymiare, D. Green, J. Lubar, J. Kounios
- PsychologyThe Clinical neuropsychologist
- 31 January 2007
The results suggested that PAF NF improved cognitive processing speed and executive function, but that it had no clear effect on memory, suggesting that the PAFNF protocol is a promising technique for improving selected cognitive functions.
The origins of insight in resting-state brain activity
A Brain Mechanism for Facilitation of Insight by Positive Affect
- K. Subramaniam, J. Kounios, T. Parrish, M. Jung-Beeman
- PsychologyJournal of Cognitive Neuroscience
- 1 March 2009
It is suggested that positive mood enhances insight, at least in part, by modulating attention and cognitive control mechanisms via ACC, perhaps enhancing sensitivity to detect non-prepotent solution candidates.