Publications by authors named "Rodrigo Pizarro"

Article Synopsis
  • The study compared the effectiveness of 25-gauge vs. 27-gauge spinal needles for dural puncture epidural analgesia (DPEA) during labor, aiming to see if their onset times were similar.
  • Out of 140 patients, 135 were analyzed, showing that the 25-gauge needles had a slightly faster onset time of 1.6 minutes but there were no significant differences in other outcomes such as sensory block or incidence of headaches.
  • Despite the shorter onset time being statistically significant, it may not have practical implications for patient care, and further research is needed to explore different local anesthetic strategies.
View Article and Find Full Text PDF

When people see a life-sized virtual body (VB) from first person perspective in virtual reality they are likely to have the perceptual illusion that it is their body. Additionally such virtual embodiment can lead to changes in perception, implicit attitudes and behaviour based on attributes of the VB. To date the changes that have been studied are as a result of being embodied in a body representative of particular social groups (e.

View Article and Find Full Text PDF

We introduce a new method, based on immersive virtual reality (IVR), to give people the illusion of having traveled backwards through time to relive a sequence of events in which they can intervene and change history. The participant had played an important part in events with a tragic outcome-deaths of strangers-by having to choose between saving 5 people or 1. We consider whether the ability to go back through time, and intervene, to possibly avoid all deaths, has an impact on how the participant views such moral dilemmas, and also whether this experience leads to a re-evaluation of past unfortunate events in their own lives.

View Article and Find Full Text PDF

Chronic unipolar depression is being increasingly recognized in general psychiatry as a particularly severe form of depressive illness that leads to significant symptomatology, prolonged suffering, and prolonged functional impairment in a variety of domains, including educational/vocational dysfunction as well as interpersonal impairment. Recent research on treatment interventions for adult patients with chronic depressions suggests that standard treatments for depressive illness may need modification to benefit patients with chronic illness. Little attention at this point has been given to the problem of chronic depression in children and adolescents.

View Article and Find Full Text PDF