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Public Health Informatics: priorities, challenges and opportunities

Marasinghe A.

Journal of Medical Informatics & Technologies

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2009

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Vol. 13

15--18

EN

Public Health Informatics is a growing academic discipline increasingly contingent on the propagation, manipulation and synthesis of information from a variety of resources. PHI is the intersection of information technology and health care. It deals with the resources, devices, and methods required to optimize the acquisition, storage, retrieval, and use of information in public health. Public health practitioners now do much of their surveillance, support, reporting, data analysis, and data collection via the internet or on computer systems. This article reports and reviews on the issues involved in PHI specially focus on priorities, challenges, and opportunities with their practical applications.

2

Modeling learning on dynamic behaviour of synapses

Fernando S., Cho Y. I., Nakamura Y., Matsuzaki S., Marasinghe A.

Journal of Medical Informatics & Technologies

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2009

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Vol. 13

175--180

EN

Learning is a process involved in multiple timescales. As per biology, changes which last from milliseconds to seconds and hours to days are the main mediators for the formation of short-term and long-term memory. It is obvious that, memory formation is neither static nor it is restricted into a one phase of life. Every step we keep in our life, even it succeed or fail or no matter what happen, we learn from them and acquire invaluable knowledge on that, which makes us easy manipulation on similar events in future. Thus continuous learning in a dynamic environment is a necessary qualification for the researches which are interested in studying phenomena, such as addiction, stress, noise, etc on such a dynamic learning environments. This research proposes a new approach of modelling our nervous system with the intention of implementing learning on dynamic environment.

3

Hospital based injury surveillance system for low and middle income countries

Amaratunga T., Cho Y. I., Jayatilleke A.U., Ichikawa M., Nakahara S., Marasinghe A.

Journal of Medical Informatics & Technologies

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2009

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Vol. 13

101--105

EN

Injuries are a major cause of death around the globe. According to statistics, around 5 million people die each year world wide remaining another few millions disabled due to injuries. The world health organizations reveals that more than 90% of the injury related deaths are from low and middle income countries. But the worrying factor is that the most of the injury related deaths in these countries could have been prevented with a concerted effort. Most of the developed countries use injury surveillance systems to monitor injury cases and take preventive measures. However, low and middle income countries can not afford for such systems because of the lack of funds and basic infrastructure, like Internet. This paper proposes an effective injury surveillance system for those countries which can be functioned with minimum resources and minimum cost.

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Colour interaction, psychological Functioning and Kansei measurement method

Kgd T., Cm A. I., Cho Y. I., Nomura S., Yamada K., Marasinghe A.

Journal of Medical Informatics & Technologies

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2009

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Vol. 13

223--228

EN

Color is an inseparable element of our lives and is a part of everything we perceive. Colour has a strong impact on our decision making process. Therefore there is a direct connection between the colour and psychological functions. Kansei is a Japanese concept, which abstracts the subjective internal process in the brain, which is activated by external stimuli. Furthermore, Kansei is a function of the brain which integrates sensibility, sense, sensitivity, aesthetics, emotion, affection and intuition. Therefore measuring Kansei is a broader aspect of measuring psychological functioning of the brain. In this research, colour interaction and respective psychological functioning is measured using Kansei measurement method. Further the result of this research was compared with an circumflex model for personality and emotions to recognize the variability of colours in terms of emotional regions. The results indicate that colours have a variable nature and are associated with several different emotions in several different intensities. Colours which have longer wavelengths are more arousing and they generate more psychological functioning than the colours which have shorter wavelengths.