By combining a flanker task and a cuing task into a single paradigm, the authors assessed the effects of orienting and alerting on conflict resolution and explored how normal aging and Alzheimer’s disease (AD) modulate these attentional functions. Orienting failed to enhance conflict resolution; alerting was most beneficial for trials without conflict, as if acting on response criterion rather than on information processing. Alerting cues were most effective in the older groups— healthy aging and AD. Conflict resolution was impaired only (...) in AD. Orienting remained unchanged across groups. These findings provide evidence of different life span developmental and clinical trajectories for each attentional network. (shrink)

This work "cardiosensitivity, emotion processing and behavior" is concerned with the relevance of interoceptive sensitivity for emotion processing and behavioral control. The first part of the monograph elaborately outlines theoretical models underscoring the importance of somatic markers and bodily signals for feelings, emotion, decision making and behavior. Ongoing insights of emotion research and neuroanatomic fundamentals of emotion processing and visceroception are illustrated based on current neuroscientific results. In the second part of the work these models and findings provide a basis (...) for the examination of the relationship between interoceptive sensitivity and a) emotion processing using paradigms of EEG research, analyzing both the higher-order processing and the rapid, early processing of emotional and neutral, visual stimuli, and b) behavioral control of mental, emotional and physical stress, analyzing behavioral and physiological variables. The results of the studies demonstrated that interoceptive sensitivity is remarkably positively related to the intensity of both higher-order processing of emotional, visual stimuli and early, visual processing of rapidly presented emotional pictures at temporo-occipital brain regions. Behavioral and physiological data from the behavioral studies showed that persons with good interoceptive sensitivity demonstrate a more subtle and cautious behavioral self-control of mental, emotional as well as physical stress than persons with poor interoceptive sensitivity. The findings are discussed within the context of the described models by James and Damasio as well as topical findings from neuroscientific emotion research. Finally, the results are integrated within a detailed survey on future research on interoception. (shrink)