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Articles 1 - 6 of 6
Full-Text Articles in Biological Psychology
The Action-Perception Of Musical Rhythm: A Review Of Eeg Findings, Jordan Anderson
The Action-Perception Of Musical Rhythm: A Review Of Eeg Findings, Jordan Anderson
Summer Research
Electroencephalography (EEG) research has the potential to illuminate questions of connectivity and temporal dynamics during musical rhythm perception. The phenomenon of sensorimotor synchronization observed when humans time their movements to rhythmic auditory stimuli reveals that these actions predict, rather than respond, to the beat. The phase entrainment of oscillatory activity measured by EEG and predictive modulation of beta band power offer cognitive insights to the auditory-motor relationship. Two main approaches exist to understand beat perception: motor simulation theories and dynamical systems theories. The study of mu wave suppression, considered a marker for mirror activity, has the potential to elucidate the …
Timing Is Everything: Temporal Dynamics Of Brain Activity Using The Human Connectome Project, Francesca Lofaro
Timing Is Everything: Temporal Dynamics Of Brain Activity Using The Human Connectome Project, Francesca Lofaro
Summer Research
Most neuroimaging studies produce snapshots of brain activity. The goal of this project is to examine the temporal dynamics of how these areas interact through time, using fear as a case study to assess how regions involved in fear interact. Working with Matlab computer code, I sort through the large fMRI dataset known as the Human Connectome Project to extract neuroimaging data from patients with different NIH Toolbox Fear-Somatic survey scores to assess the temporal dynamics between brain regions. The results will allow an understanding beyond which areas are involved, and instead will provide a picture of how these areas …
Eeg Study Of The Featural And Configural Components Of Face Perception, Heather Rose Stegman
Eeg Study Of The Featural And Configural Components Of Face Perception, Heather Rose Stegman
Summer Research
Prior research using functional magnetic resonance imaging (fMRI) suggests that facial features (i.e. eyes, nose, and mouth) and their configuration (i.e. T-shaped arrangement of features) are processed in different face-specific brain regions. However, precise response time of featural and configural face processing is unknown. Featural processing may occur before configural processing, or configural processing may occur before featural processing; conversely, they may occur simultaneously. Here, using the electroencephalography (EEG), we will examine the face-specific event related potential (ERP), the N170, to analyze temporal differences between featural and configural face processing.
Eeg Investigation Of Mirror-Neuron Activity Before And After Conscious Perception Of Emotion In Faces, Katie Singsank
Eeg Investigation Of Mirror-Neuron Activity Before And After Conscious Perception Of Emotion In Faces, Katie Singsank
Summer Research
While it is theorized that the human Mirror Neuron System (MNS) is used in action understanding and interpretation, how mu-wave suppression varies throughout the process of becoming conscious of a human facial expression and perceiving it has not been investigated. In the current study, EEG mu-wave suppression was used as an index of MNS activity. Data were collected while subjects viewed a 6 second clip in which static visual noise lifted over a period of 3 seconds revealing either a sad or angry face below which participants were asked to indicate the emotion with a keyboard button press. The image …
The Possible Connection Of Gamma Oscillation And 3-D Object Representation, Thien N. Vu
The Possible Connection Of Gamma Oscillation And 3-D Object Representation, Thien N. Vu
Summer Research
We process and encode for different features of a particular object (shape, color, texture, etc.) in distinct areas of the brain. How we bind these attributes together into a unified perception of an object is unknown. Past research suggests that synchronized activity between brain areas, particularly induced gamma activity (~ 40 Hz), may account for this binding process and the basis of our conscious perceptual experience, specifically through object representation. In this study, participants were asked to look at a series of 2-D pictures of cars from distinctive rotations (00, 900, 1800) and were …
Eeg Measures Of Facial Expression Recognition, Madeleine Werhane
Eeg Measures Of Facial Expression Recognition, Madeleine Werhane
Summer Research
The purpose of this study was to explore the role of the human mirror neuron system (hMNS) in the accurate identification of emotional facial expressions. Electroencephalography (EEG) was used to record Mu wave activity while participants preformed a series of video-matching tasks, in which they discriminated between facial stimuli by either emotional expression or model identity. A polygon-matching task was used as a baseline measure for mirror neuron activity. Mu Suppression Indices were calculated and compared between the identity-matching and emotion-matching conditions. Mu suppression was significantly increased in the emotion-matching condition, suggesting that the mirror neuron system is engaged to …