[Event-related brain potentials when Russian verbs being conjugated: to the problem of language processing modularity].

In the light of alternative conceptions of "two-system" and "single-system" models of language processing the efforts have been undertaken to study brain mechanisnis for generation of regular and irregular forms of Russian verbs. The 19 EEG channels of evoked activity were registered along with casual alternations of speech morphology operations to be compared. Verbs of imperfective aspect in the form of an infinitive, belonging either to a group of productive verbs (default, conventionally regular class), or toan unproductive group of verbs (conventionally irregular class) were presented to healthy subjects.

[Statistically significant reproducible differences of pericranial muscles EMG in beta and gamma frequency ranges when different emotional and cognitive states are compared].

Results of comparison of power of EMG of six pericranial muscles in electroencephalographic frequency ranges beta1, beta2 and gamma are presented corresponding to performances of the tasks bound to inductions of affective experiences-external by means of presentation of images and internal by means of autobiographical memoirs revived. The tasks were focused on an induction of affective experiences with different emotional valencies--positive, negative and neutral. The EMG was derived, registered and processed by means of a computer electroencephalography techniques.

[Induction of emotional states during oral reading of texts with different emotional valence and EEG power dynamics in frequency bands beta2 and gamma].

EEG power in frequency bands beta2 (18.5-29.5 Hz) and low gamma (30-40 Hz) was compared for situations while reading aloud with the technique "self-regulative utterance" texts as follow: a text with neutral emotional-semantic dominant; literary texts with either a positive or a negative emotional-semantic dominant; personal texts--recollections with similar dominants.

[EEG changes with unblocking of acoustic and visual sensory canals].

Modally specific and supramodal components of EEG dynamics, related to involuntary reorientation of anticipatory attention from internal into external, were studied using unblocking of either visual or acoustic apparatus. EEG registration took place while the examinees were in the resting states: with opened eyes; with closed eyes; with closed eyes and inserted noise-protective earplugs. Averaged values of EEG power in each of the derivations and of EEG coherence in each of the derivation pairs were calculated for an every examinee and for each of the states.

[Effects of unstructured video exposure on EEG power in situations of forced attention and rest].

Group 1 (N = 30) and group 2 (N = 22) of healthy volunteers participated in the experiment. EEG registration took place while the examinees were in the resting states: with closed eyes; with opened eyes; with opened eyes and being under exposure to TV channel noises (white noise). Group 1 had also to fulfill a task to count randomly appearing symbols on a screen and group 2 had to fulfill a task to find an image in the noises.