A5086886537- Neural and Behavioral Psychology Studies
- Behavioral Health and Interventions
- Neural dynamics and brain function
- Eating Disorders and Behaviors
- Face Recognition and Perception
- Psychology of Moral and Emotional Judgment
- Obesity, Physical Activity, Diet
- Anxiety, Depression, Psychometrics, Treatment, Cognitive Processes
- Olfactory and Sensory Function Studies
- Evolutionary Psychology and Human Behavior
- Mobile Health and mHealth Applications
- Functional Brain Connectivity Studies
- Decision-Making and Behavioral Economics
- Memory and Neural Mechanisms
- Visual perception and processing mechanisms
- Psychological Well-being and Life Satisfaction
- EEG and Brain-Computer Interfaces
- Mental Health Research Topics
- Action Observation and Synchronization
- Culinary Culture and Tourism
- Multisensory perception and integration
- Media Influence and Health
- Social and Intergroup Psychology
- Optimism, Hope, and Well-being
- Biochemical Analysis and Sensing Techniques
University of Konstanz
2016-2025
Hologic (Germany)
2021
University of Florida
1997-2004
Universität Greifswald
2001-2004
University of Florida Health
1998
University of Tübingen
1992-1997
Recent studies have shown that the late positive component of event-related-potential (ERP) is enhanced for emotional pictures, presented in an oddball paradigm, evaluated as distant from established affective context. In other research, with context-free, random presentation, affectively intense pictures (pleasant and unpleasant) prompted similar ERP positivity (compared neutral picture response). effort to reconcile interpretations potential (LPP), ERPs randomly ordered were assessed, but...
Threatening, friendly, and neutral faces were presented to test the hypothesis of facilitated perceptual processing threatening faces.Dense sensor event-related brain potentials measured while subjects viewed facial stimuli.Subjects had no explicit task for emotional categorization faces.Assessing early stimulus processing, elicited an posterior negativity compared with nonthreatening or friendly expressions.Moreover, at later stages threat also augmented late positive relative other...
Abstract Recent event‐related potential (ERP) studies revealed the selective processing of affective pictures. The present study explored whether same phenomenon can be observed when pictures are presented only briefly. Toward this end, pleasant, neutral, and unpleasant from International Affective Pictures Series were for 120 ms while event related potentials measured by dense sensor arrays. As longer picture presentations, brief selectively processed. Specifically, pleasant associated with...
A key function of emotion is the preparation for action. However, organization successful behavioral strategies depends on efficient stimulus encoding. The present study tested hypothesis that perceptual encoding in visual cortex modulated by emotional significance stimuli. Event-related brain potentials were measured while subjects viewed pleasant, neutral, and unpleasant pictures. Early selective pleasant images was associated with a posterior negativity, indicating primary sources...
Visual attention can be voluntarily directed toward stimuli and is attracted by that are emotionally significant. The present study explored the case when both processes coincide to emotional stimuli. Participants viewed a rapid continuous stream of high-arousing erotica mutilation as well low-arousing control images. Each three stimulus categories served in separate runs target or nontarget category. Event-related brain potential measures revealed interaction emotion varied for specific...
Brain potentials and blink reflexes were recorded while participants viewed emotional pictures organised into content categories that varied in motivational significance. Event‐related at picture onset showed the largest late positive to erotic scenes of threat mutilation, suggesting heightened attention contents are presumed strongly activate appetitive defensive systems. Erotic also greatest sustained over viewing interval as measured by inhibition P3 component event‐related potential...
Recent event-related potential studies observed an early posterior negativity (EPN) reflecting facilitated processing of emotional images. The present study explored if the pictures is sustained while subjects perform explicit non-emotional attention task. EEG was recorded from 129 channels viewed a rapid continuous stream images containing as well task-related checkerboard As expected, selective to target elicited large P3 waves. Interestingly, stimuli guided stimulus-driven encoding...
Abstract Across the world, there has been a movement from traditional to modern eating, including of eating patterns their origin culture new cultures, and emergence foods behaviors. This trend toward is particular significance because related positive health outcomes sustainability. Yet, no consensus on what constitutes eating. The present study provides comprehensive compilation various facets that seem make up Specifically, 106 were mentioned in previous literature expert discussions,...
Although mobile technologies such as smartphone apps are promising means for motivating people to adopt a healthier lifestyle (mHealth apps), previous studies have shown low adoption and continued use rates. Developing the address this issue requires further understanding of mHealth app nonusers processes. This study utilized stage model approach based on Precaution Adoption Process Model (PAPM), which proposes that pass through qualitatively different motivational stages when adopting...
Abstract EEG power analysis is firmly established in the cognitive domain. This contrasts with emotional stimulus processing, which thus far has yielded a complex and ambiguous pattern of findings. To further advance understanding, present study examined processing context task variations baseline activity, included several manipulation checks as well internal replication findings across conditions. Participants ( N = 16) viewed erotic romantic pictures, differing arousal. Pictures were...
Abstract The study of brain oscillations associated with emotional picture processing has revealed conflicting findings. Although many studies observed a decrease in power the alpha- and lower beta band, some an increase. Accordingly, main aim present research series was to further elucidate whether stimulus is related increase or alpha/beta power. In Study 1, participants (N = 16) viewed briefly presented (150 ms) high-arousing erotic low-arousing people pictures. Picture presentation...
Abstract Manually coding behaviours from videos is essential to study animal behaviour but it labour‐intensive and susceptible inter‐rater bias reliability issues. Recent developments of computer vision tools enable the automatic quantification behaviours, supplementing or even replacing manual annotation. However, widespread adoption these methods still limited, due lack annotated training datasets domain‐specific knowledge required optimize models for research. Here, we present...
Abstract Two concurrent measures of the evoked startlé response, elicited blink reflex and event‐related potential, were measured while individuals viewed pictures that varied in pleasure arousal. Replicating previous findings, response was modulated by picture pleasantness, with larger reflexes context viewing unpleasant versus pleasant pictures. However, probe P3 primarily arousal, smaller responses when affective (pleasant or unpleasant) than neutral Both modulatory effects sustained for...
Abstract The present study explored fear acquisition in differential delay versus trace conditioning regard to the potential role of acquired contingency awareness. One two neutral pictures (CS+) either coterminated with (delay group; n =32) or was followed by aversive unconditioned stimulus (UCS) after CS offset (trace =32), while startle blink and skin conductance responses (SCR) were measured. As expected, conditioned potentiation independent In contrast, fear‐potentiated only observed...
In rapid serial visual presentation of pictures, an early event-related brain potential component shows enlarged negativity over occipital regions for emotional pictures compared with neutral pictures. The present study examined whether the processing target varies as a function stimulus repetition. Accordingly, erotica, contents, and mutilations were repeatedly presented (90 times) while electroencephalogram was recorded 129 dense sensor array. As in previous studies, associated larger...
Reflexive eyeblinks to a startle probe vary with the pleasantness of affective pictures, whereas corresponding P300 varies emotional arousal. The impact attention on these effects was examined by varying task and type. Probes were either nonstartling tones or startling noises presented during picture viewing. Half participants performed requiring probes; other told ignore probes. Blinks varied for both nontask conditions. In contrast, magnitudes tone probes reduced emotionally arousing...
Brain imaging and event-related potential studies provide strong evidence that emotional stimuli guide selective attention in visual processing. A reflection of the capture is increased Early Posterior Negativity (EPN) for pleasant unpleasant compared to neutral images (~150–300 ms poststimulus). The present study explored whether this early emotion discrimination reflects an automatic phenomenon or subject interference by competing processing demands. Thus, was assessed while participants...
Converging electrophysiological and hemodynamic findings indicate sensory processing of emotional pictures is preferred to that neutral pictures. Whereas neuroimaging studies picture perception have employed stimulus durations lasting several seconds, recent electrocortical investigations report early visual cortical discrimination between emotionally arousing processing. Here, we use a hybrid presentation paradigm covering range rapid rates (0.75–6 Hz), while system activity recorded with...
Recent event-related brain potential studies revealed the selective processing of emotional and threatening pictures. Integrating picture viewing threat-of-shock paradigm, present study examined pictures while they were explicitly instructed to cue threat real world danger (i.e. electric shocks). Toward this end, 60 pleasant, neutral unpleasant IAPS-pictures presented (1 s) as a continuous random stream high-density EEG self-reported assessed. In three experimental runs, each category was...