Browsing by Issue Date, starting with "2022-05-04"
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- Impact of a virtual reality-based simulation on empathy and attitudes toward SchizophreniaPublication . Marques, António; Gomes, Paulo Veloso; Araújo, Margarida ; Simões de Almeida, Raquel; Correia, António ; Pereira, Javier ; Queirós, Cristina ; Pimenta, Rui; Pereira, Anabela S. ; Silva, Carlos F.Virtual Reality (VR) has been identified as one of the most promising resources for developing empathy towards stigmatized groups as it allows individuals to experience a situation close to reality from another person’s perspective. This quasi-experimental study aimed to examine the impact on empathy, knowledge, and attitudes towards people with schizophrenia of a VR simulation that reproduces the experience of psychotic symptoms while performing a cognitive task compared with watching a 2D video and, thus, how these experiences could reduce stigma towards people diagnosed with schizophrenia. The sample comprised of 102 higher education health students, distributed by the experimental and control groups. The impact of the program was measured by completing multiple questionnaires on levels of empathy, attitudes, and mental health knowledge. Both methods (VR and 2D video) were, to a certain extent, effective. However, VR was more effective at eliciting attitudes and knowledge change compared to the control group. These findings suggest that not only VR but also 2D videos could be interesting strategies to enhance empathy and improve attitudes towards people with schizophrenia in higher education health students.
- Trace Elements as Contaminants and NutrientsPublication . Couto, Cristina; Pinto, Edgar; Almeida, AgostinhoKnowledge about trace elements has evolved remarkably in recent decades, both in terms of their metabolism and their functions. Acting mainly as cofactors of enzymatic systems, several trace elements play an essential role in numerous physiological processes in the human organism, from cell metabolism to the immune response and gene expression, among others. On the other hand, it is also well known that excessive exposure to trace elements can be highly harmful and even fatal.
- An Experimental Localization Testbed based on UWB Channel Impulse Response MeasurementsPublication . Li, Kai; Ni, Wei; Zhang, PeiIn this paper, we demonstrate a new ultra-wideband (UWB) localization testbed, which tracks a UWB tag and estimates locations of obstacles based on channel impulse response measurements. Anchor nodes that are developed with off-the-shelf Decawave DW1000 UWB transceivers are deployed to cover the area of interest. The testbed is implemented and preliminary experiments are carried out to estimate the location of the object by analyzing channel impulse response strength of the UWB tag.