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E S Dmitrieva

Publications and source records attributed to E S Dmitrieva.

31 records · Page 2Linked to original sources
PubMedDate not supplied

[Ontogenetic aspects of individual characteristics of functional brain asymmetry in the perception of emotions].

Studies have been made on individual variations in perception of speech emotional information by 7-16-year children. Significant differences between subjects from various age groups were found concerning the correct recognition of emotions, the degree of brain asymmetry and domination type. The exactness of emotional recognition increases with age, while the degree of asymmetry becomes lower, the right hemisphere domination becoming more stable in processing of speech emotional information. With age, individual type of asymmetry turns to the specific one, reflecting asymmetry formation during evolution.

Adolescent↗
PubMedDate not supplied

[Sex differences of functional lateralization in the perception of verbal and emotional information in ontogeny].

Experimental data show certain differences between men and women in perception of verbal and emotional information. They are revealed in the ability of correct perception of definite kind of information, in the degree of brain functional asymmetry in perception of the given information, in prevalence of domination type. The character of sex differences in functional asymmetry changes little with the age; quantitative correlations of the coefficient of asymmetry diminish with the age.

Adolescent↗
PubMedDate not supplied

[Age-related characteristics of human perception of emotions in speech and in singing].

Monoaural presentation (in sequence to the left and right ears) of speech and vocal-musical phrases with different emotional content (joy, grief, anger, fear, indifference) has been made to children ageing between 7 and 16 years. These passages were performed by professional actors or singers. Absolute differences in the probability of correct identification of different emotions were obtained. They are maximal for fear and anger, being minimal for joy. Left ear preference to perception of emotions both in speech and in singing is already formed in 7-8 years old children.

Adolescent↗
PubMedDate not supplied

[Interhemispheric brain asymmetry in speech perception by persons of different age groups and the "effect of directional attention"].

Using dichotic tests, studies have been made on the degree of functional asymmetry of the brain with respect to perception of verbal information in 3-50 years old subjects. Significant age variations were found in the volume of the percepted speech information. Interhemispheral differences in speech perception, which reveal themselves in higher perception of the right ear as compared to the left one, are more evident in children under 10 years. Significant influence of the "effect of voluntary and involuntary attention" of the subjects was noted on the degree of asymmetry of dichotic speech perception, this influence alleviating the intrinsic functional asymmetry of the brain.

Adolescent↗
PubMedDate not supplied

[Lateralization characteristics in the perception of speech in noise by children of different age groups].

The comparative investigation in ontogenesis of the noise immunity of child sensorial perception of two kinds of bioacoustical information (the emotional one being more evolutionary old and the semantic one being evolutionary younger) has shown that the perception effectiveness of these kinds of information depends on the noise level, the age of a child and the kind of information. The perception of semantic information is not provided with the reliable mechanisms of signal identification from noise even to the age of 16 while such mechanisms for perception of emotional information are formed in ontogenesis by the age of 14 and they are associated with the activity of the right hemisphere.

Adolescent↗
PubMedDate not supplied

[The invariance of auditory perception with regard to frequency-temporal transformations of the signal in Tursiops truncatus dolphins].

In experiments on the porpose T. truncatus, using motor-feeding conditioned reflex technique, studies have been made on hearing under the conditions of frequency-temporal indetermination of the signal presented at noise background. It was shown that the effectiveness of auditory detection of tone-impulse signals is invariant with respect to Doppler and shift transformation of the signal, whereas the number of waves serves as a characteristic parameter of the auditory system in the porpoise.

Animals↗