12 documents found, page 1 of 2

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A data mining approach to the SAR values over large MR image repositories

Murraças, A. C. C.; Martins, P. M.; Ferreira, C.; Godinho, T. M.; Castelo-Branco, M.; Silva, A.

Purpose: In magnetic resonance imaging, the radiofrequency energy absorption arises as one of the main safety concerns, being mainly related with increased body temperature. Monitoring radiofrequency absorption is achieved by the estimation of specific absorption rate (SAR), whose implementation lies on equipment manufacturers, which in turn are not totally enlightening about its calculus. This work presents an...


Antioxidant, Anti-Inflammatory, and Analgesic Activities of Agrimonia eupatoria...

Santos, Telmo N.; Costa, Gustavo; Ferreira, J. Pinto; Liberal, Joana; Francisco, Vera; Paranhos, António; Cruz, Maria T.; Castelo-Branco, M.

Agrimony (Agrimonia eupatoria L.) (Ae) is used in traditional medicine to treat inflammatory and oxidative related diseases. T herefore, this study focuses on the anti-inflammatory and analgesic potential of Ae infusion (AeI). Phenolic compounds characterization was achieved by HPLC-PDA-ESI/MSn. To evaluate antioxidant potential, 2,2-diphenyl-1-picrylhydrazyl (DPPH), superoxide anion, hydroxyl radical, and SNAP...


Permutations of functional magnetic resonance imaging classification may not be...

Al-Rawi, M. S.; Freitas, A.; Duarte, J. V.; Cunha, J. P.; Castelo-Branco, M.

A fundamental question that often occurs in statistical tests is the normality of distributions. Countless distributions exist in science and life, but one distribution that is obtained via permutations, usually referred to as permutation distribution, is interesting. Although a permutation distribution should behave in accord with the central limit theorem, if both the independence condition and the identical ...


An overview regarding insomnia disorder: Conceptualization, assessment and trea...

Marques, D. R.; Gomes, Ana A.; Clemente, V.; Santos, J. Moutinho dos; Caetano, G.; Castelo-Branco, M.


Addiction and Other Psychiatric Disorders in a Population of Portuguese Prisone...

Azevedo, J.; Figueiredo-Braga, M.; Castelo-Branco, M.; Almeida, I.; Vieira-Coelho, M.; Malta, L.; Pinto, J.; Coelho, R.


mHealth in Urology: A Review of Experts' Involvement in App Development

Pereira-Azevedo, N.; Carrasquinho, E.; Cardoso-Oliveira, E.; Cavadas, V.; Osório, L.; Fraga, A.; Castelo-Branco, M.; Roobol, M.

Smartphones are increasingly playing a role in healthcare and previous studies assessing medical applications (apps) have raised concerns about lack of expert involvement and low content accuracy. However, there are no such studies in Urology. We reviewed Urology apps with the aim of assessing the level of participation of healthcare professionals (HCP) and scientific Urology associations in their development.



Effects of emotional valence and three-dimensionality of visual stimuli on brai...

Dores, A. R.; Almeida, I.; Barbosa, F; Castelo-Branco, M.; Monteiro, L.; Reis, M.; Sousa, L. de; Caldas, A. Castro

BACKGROUND: Examining changes in brain activation linked with emotion-inducing stimuli is essential to the study of emotions. Due to the ecological potential of techniques such as virtual reality (VR), inspection of whether brain activation in response to emotional stimuli can be modulated by the three-dimensional (3D) properties of the images is important. OBJECTIVE: The current study sought to test whether th...


Effects of emotional valence and three-dimensionality of visual stimuli on brai...

Dores, A. R.; Almeida, I.; Barbosa, F.; Castelo-Branco, M.; Monteiro, L.; Reis, M.; Sousa, L. de; Caldas, A. Castro

BACKGROUND: Examining changes in brain activation linked with emotion-inducing stimuli is essential to the study of emotions. Due to the ecological potential of techniques such as virtual reality (VR), inspection of whether brain activation in response to emotional stimuli can be modulated by the three-dimensional (3D) properties of the images is important. OBJECTIVE: The current study sought to test whether th...


Effects of emotional valence and three-dimensionality of visual stimuli on brai...

Dores, Artemisa Rocha; Almeida, I.; Barbosa, F.; Castelo-Branco, M.; Guerreiro, S.; Almeida, I.; Reis, M.; Sousa, L. de; Castro Caldas, A.

Examining changes in brain activation associated with emotion-inducing stimuli is essential to the study of emotions. Due to the ecological potential of virtual reality in neurocognitive rehabilitation, inspection of whether brain activation in response to emotional stimuli can also be modulated by the three-dimensional properties of the images is now important. This study sought to test whether the activation ...


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