|
|
Electric brain acticity changes during targeted emotional stimulation evaluated using sLORETA method
Špidlenová, Lada ; Pánek, David (advisor) ; Pavlů, Dagmar (referee)
Name: Electrical cerebral activity changes during targeted emotional stimulation, evaluated by sLORETA Goals: The main goal of this thesis is the comparison of electrical brain activity changes during targeted emotional stimulation. Method: The research was conducted by measuring electrical cerebral activity using Natus Neurology 32-channel Nicolet™EEG Wireless Amplifier 32/64 device. The activity measurements were taken by an EEG Electro-cap with a total of 19 flat registration electrodes (Fp1, Fp2, F7, F3, Fz, F8, T5, T3, C3, Cz, C4, T4, T6, P3, Pz, 36 P4, O1, O2), placed in accord with the internationally used 10-20 system. The impendance resistance did not exceed 10 kΩ, with a sampling frequency of 512 Hz and a bandpass of 0,5-70 Hz. Resulting data was then processed using NeuroGuide programme. A 30s long, zero-artifact EEG section was then chosen to be exported to sLORETA programme. Probands were divided randomly into three research groups - positive, neutral and negative. Each proband was asked to pass the VVIQ imagination vividity questionnaire. In the next phase, each participant was asked to undergo a three week long imagination training programme, consisting of watching VR videos and targeted imaginations of walking, three times a week. While in the VR simulation, music and sound effect...
|
|
|
Brain Activity Evaluation Using sLORETA Imaging During Imagination and Induction of Flow State.
Remešová, Alžběta ; Pánek, David (advisor) ; Pavlů, Dagmar (referee)
Name: Brain Activity Evaluation Using sLORETA Imaging During Imagination and Induction of Flow State The aim of the study: The aim of this work was to use sLORETA imaging to capture changes in the source brain activity before and after a 3-week movement imagination training. With the help of subjective questionnaires, the second goal was to capture and compare the potential progress of the flow state also within the imagination training. Methods: 13 healthy probands in the age range of 20-30 years participated in the study. Brain source activity was measured using a surface telemetric 32-channel EEG device Nicolet TM EEG Wireless Amplifier 32/64 from Natus Neurology. The subjects underwent EEG measurements twice, always before the start of the imagination training and after its end. Measurements were performed identically in the following order: 1) resting EEG: 5 min eyes closed, 5 min eyes open; 2) watching video in VR: 3 min + 5 min pause; 3) imagination of movement: 3 min. The initial measurement was followed by a 3-week home movement imagination training with detailed instructions using VR glasses. The subjects were told to watch the video and then train their own imagination 9 times in total. After the initial and control measurements, the probands were asked to fill out the Flow State Scale...
|
|
|
Brain Source Activity Changes During the Visual Training of the Imagination Viewed by sLORETA Imaging
Englerová, Barbora ; Pánek, David (advisor) ; Pavlů, Dagmar (referee)
Title: Brain Source Activity Changes During the Visual Training of the Imagination Viewed by sLORETA Imaging. Objectives: The research study aims to determine which changes in brain source activity occur before and after an intervention in the form of a three-week visual training of motor imagery. The electrical activity of the brain was recorded using scalp EEG and transferred to the sLORETA program, in which the source brain activity was evaluated. Methods: The research was concluded on 13 healthy subjects aged between 20-30 years. The Czech standardized version of The Vividness of Movement Imagery Questionnaire - 2 (VMIQ - 2) was used for the survey. The electrical activity of the brain was recorded using a scalp EEG Nicolet TM EEG Wireless Amplifier 32/64 by Natus Neurology. The research consisted of initial and control measurements, the measurement included several phases. First, an initial measurement took place, which always included measurements of resting EEG (5minutes eyes open and 5 minutes eyes closed), action observation in VR (3 minutes) and subsequent measurement of the motor imagery with eyes open (3 minutes). Between the individual measurements, there was a three-week visual training of motor imagery, which included action observation in VR and the individual motor imagery three...
|
|
|
Source analysis and comparation of Feldenkrais inspired movement and visual stimulation using sLORETA
Novotná, Tereza ; Pánek, David (advisor) ; Pavlů, Dagmar (referee)
Title of thesis: Source analysis and comparation of Feldenkrais inspired movement and visual stimulation using sLORETA Objectives: The thesis aim is to evaluate intracerebral source activity during a simple arm movement inspired by Feldenkrais method and to compare it with a visual stimulation of the same movement presented in a clip and with an imagination of the same movement. The movement inspired by Feldenkrais method was simplified to a repeated flexion of the dominant arm. Source analysis was evaluated from EEG and processed using sLORETA program, Methods: To obtain the data, experimental group was put together containing 12 participants aged 22-60, (mean = 27.2), both genders included. Participants were subjected to one-off measurement by the EEG instrument. Feldenkrais inspired movement of a flexion of a dominant upper right arm was investigated. The experiment constisted of six parts: 1. native EEG record with eyes closed and open, 2. active flexion of the dominant upper arm with eyes closed, 3. active flexion of the dominant upper arm with eyes opened, 4. watching video presenting repeated upper arm flexion, 5. dominant upper arm flexion imagination with eyes closed. Every part lasted for two minutes. Between individuals parts was inserted a pause. Obtained EEG data were processed with...
|
|
|
Source analysis and comparation of Feldenkrais inspired movement and visual stimulation using sLORETA
Novotná, Tereza ; Pánek, David (advisor) ; Pavlů, Dagmar (referee)
Title of thesis: Source analysis and comparation of Feldenkrais inspired movement and visual stimulation using sLORETA Objectives: The thesis aim is to evaluate intracerebral source activity during a simple arm movement inspired by Feldenkrais method and to compare it with a visual stimulation of the same movement presented in a clip and with an imagination of the same movement. The movement inspired by Feldenkrais method was simplified to a repeated flexion of the dominant arm. Source analysis was evaluated from EEG and processed using sLORETA program, Methods: To obtain the data, experimental group was put together containing 12 participants aged 22-60, (mean = 27.2), both genders included. Participants were subjected to one-off measurement by the EEG instrument. Feldenkrais inspired movement of a flexion of a dominant upper right arm was investigated. The experiment constisted of six parts: 1. native EEG record with eyes closed and open, 2. active flexion of the dominant upper arm with eyes closed, 3. active flexion of the dominant upper arm with eyes opened, 4. watching video presenting repeated upper arm flexion, 5. dominant upper arm flexion imagination with eyes closed. Every part lasted for two minutes. Between individuals parts was inserted a pause. Obtained EEG data were processed with...
|
guest ::
