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This paper presents simulation results of wave propagation in a anatomic realistic head phantom for the purpose of obtaining the feasibility of detecting brain matter affected by a simulated stroke. An elliptical array of transmitter and receiver locations are defined and the differences in the fields created by the presence of the simulated stroke were simulated using a 3-D FDTD method and subsequently...
Affective Brain-Computer Interfaces (BCI) are systems that measure signals from the peripheral and central nervous system, extract features related to affective states of the user, and use these features to adapt human-computer interaction (HCI). Affective BCIs provide new perspectives on the applicability of BCIs. Affective BCIs may serve as assessment tools and adaptive systems for HCI for the general...
In this paper, the photon propagation process in human brain tissue and skin tissue with various source and detector separation distances were simulated based on the Monte Carlo method. The human brain model and the skin model that were used in our experiments have live layers and seven layers, respectively. The backscattered intensity from every layer of the human tissue model was obtained by marking...
The blood-brain barrier (BBB) is a specialized brain protection system consisting of endothelial cell, tight junctions and glial processes. BBB is the major limiting factor to therapeutic agents to the brain for disease treatment. Focused ultrasound (FUS) in the presence of microbubbles has the capability to deliver large molecules across BBB. In this study, we qualitatively and quantitatively analyzed...
In general, many people believes that using a mobile phone close to a metal wall is harmful and the operating at 1.8 GHz give the higher average power absorbed than those operated at 900 MHz. In the same way, the health questionnaire via the Internet archive covers these two questions. Then, the purpose of this research was to comparison average power absorbed in a realistic model of the head which...
A 6-mm resolution 7-tissue (skin, blood, bone, muscle, gray matter, white matter, air) anatomy based model (62times62 cells) cross section of human head is studied. Four dipoles of a 64 MHz is applied. A neuro-fuzzy modeling of the head is presented. A system that describes input-output behavior in a way similar to mathematical mapping without involving differential operator or equation is called...
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