Galina Ivanova

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OBJECTIVE The present study aimed at investigating whether theta activity within medio-frontal cortex (MFC) serves as a marker for increased cognitive control demands such as performance monitoring. METHODS We confronted participants with at least two incompatible sources of information in a Simon task, a flanker task, and a NoGo task to assess whether(More)
Event-related potentials provide strong evidence for a face-specific process that peaks at about 170 ms following stimulus onset--the N170 effect. The N170 has been shown to be sensitive to adaptation, reflected in an amplitude reduction by repeated face presentation, which is usually considered to be driven by bottom-up processes. Here we investigated(More)
Insight refers to a situation in which a problem solver immediately changes his understanding of a problem situation. This representational change can either be triggered by external stimuli, like a hint or the solution itself, or by internal solution attempts. In the present paper, the differences and similarities between these two phenomena, namely(More)
A collection of Drosophila melanogaster mutants was created by insertion of a P-element into autosomes at a rate of one copy per genome. The abilities of 64 homozygous P-insertion mutants to produce a form of associative behavior were determined. Testing was based on an original paradigm of operant learning: interactions between Drosophila individuals when(More)
Collection of autosomal P-insertional mutant stocks with single P-element per genome was created in Drosophila melanogaster. The learning ability was tested in 64 homozygous P-inserts using the original paradigm of self-starting operant learning in a group situation. Normal flies placed in a group situation learned to suppress their activity to avoid(More)
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