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The article is devoted to studying the mechanisms of regulating physiological maintenance of mental processes and the possibility of Kirlian photography for assessing psychoemotional state with intuitive thinking. While doing the tasks connected with the intuition, the students with the low level of intuitive thinking demonstrated the increase in the degree of filling blood hemoglobin with oxygen (saturation) and the increase in heart systole rate (HSR). The change of the indices of the heart rhythm variability – the mode decrease with the simultaneous increase in the mode amplitude and the vegetative indices – indicates the activation of both sympathetic and central mechanisms of mental processes regulation. The tension index of the regulatory systems (RS) allows us to judge about the mental process activity. The students were in the state of the compensated distress. All indices of the heart rhythm variability of the students with the medium intuition level indicate the central mechanisms of regulating the intuitive thinking processes. The increase in saturation, increased RS on the background of HSR decrease in the students of this group reveals a special functional state connected with the doubled control over the processes. The area of the Kirlian luminescence crown around the right hand forth finger is increased in all students with intuitive thinking. The energetic luminescence degree of the corresponding finger reveals the level of development of this kind of thinking: the higher the level of intuitive thinking, the more the luminescence area. Due to its high sensitivity, the Kirlian method can be applied for revealing the student’s individuality that is not identified by the psychological tests.
A tool that most effectively determines the emotional states of rats is the registration and analysis of ultrasonic vocalizations (USVs). 50‑kHz USVs are a form of expression of positive emotions. USV measurement allows both identifying individual differences in processing information about the reward as well as reflecting, to a large extent, the level of individual motivation. We hypothesized that 50-kHz USV emission could have separate neurochemical backgrounds in different behavioral paradigms, as well as, some common neurochemical mechanisms reflected in examined neurotransmitters correlations. For example, re‑exposure to the context of morphine administration is associated with elevated serotonin concentrations in the amygdala, hippocampus, and medial prefrontal cortex (mPFC) and increased Glu/Gln ratio in the nucleus accumbens (Nacc). Machine learning based analysis indicates a strong correlation between serotonergic and glutamatergic systems in context‑induced conditioned response. In the case of social interaction paradigm, several neurochemical changes were detected. Depending on the duration of social interaction, neurotransmission pathways are activated in the cascade fashion. Thus, glutamatergic neurotransmission in amygdala, ventral tegmental area (VTA), Nacc, and hippocampus, and action in the serotonergic system in mPFC, Nacc, caudate, and putamen, dopaminergic neurotransmission in mPFC and hippocampus, and noradrenergic neurotransmission in the striatum, are activated under the influence of the elapsed time of social interaction.
Background. High intake of carbohydrates, especially simple sugars, by young adults is associated with the consumption of highly processed foods. This leads to the development of overweight, obesity and various somatic diseases. Identification of factors contributing to the increased consumption of this product group is a very important area of research in the field of public health. Emotional state may be one of such factors. This research aims at analyzing the relationship between consumption of selected groups of foods rich in carbohydrates and actual affective states on the one hand, and relatively constant emotional features on the other hand, in case of young adults. Material and methods. The study was conducted among 120 young adults aged between 18 and to 38 years old. The questionnaire research method, combined with prospective evaluation of diets technique, was used in the study. Two research instruments were used in the research: the scale of positive and negative feelings and food intake frequency questionnaire FQQ. Results. Our research confirmed the relationship between both affective state and relatively constant emotional features with consumption of selected products groups containing carbohydrates, especially simple sugars and glycogen, both in case of women and men. The said relationship has been demonstrated both in case of positive and negative emotions. The study did not confirm the relationship between affective state and consumption of chocolate. Conclusions. The observed relations can be used in the prevention of first degree, taking into account gender differences. It can also be used in potential therapeutic interactions, especially in the field of proper nutrition.
Emotions have been observed to distinctly influence food choice in conditions when a vast number of women (82%) have no suffered from hunger before eating. This means that food intake is influenced by emotional hunger rather than the physiological one. The mostly preferred food at negative moods, like anger, sorrow, fear or stress, have been sweets. Boredom has favored eating of an increased amount of food, without any special preferences. Stress has influenced food intake in a different way: some subjects have declared eating lower, while some - greater amounts of food. The winter season has increased food intake among 74% of young women.
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