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A depiction of prevalence. In epidemiology, prevalence is the proportion of a particular population found to be affected by a medical condition (typically a disease or a risk factor such as smoking or seatbelt use) at a specific time. [1]
The 'predominantly inattentive presentation' is similar to the other presentations of ADHD except that it is characterized predominately by symptoms of inattention, such as poor sustained attention, procrastination, hesitation, and forgetfulness. It differs in having fewer or no typical symptoms of hyperactivity or impulsiveness.
The mean of a set of observations is the arithmetic average of the values; however, for skewed distributions, the mean is not necessarily the same as the middle value (median), or the most likely value (mode). For example, mean income is typically skewed upwards by a small number of people with very large incomes, so that the majority have an ...
A wind rose is a graphic tool used by meteorologists to give a succinct view of how wind speed and direction are typically distributed at a particular location. Presented in a polar coordinate grid, the wind rose shows the frequency of winds blowing from particular directions.
Central pontine myelinolysis is a neurological condition involving severe damage to the myelin sheath of nerve cells in the pons (an area of the brainstem). It is predominately iatrogenic (treatment-induced), and is characterized by acute paralysis, dysphagia (difficulty swallowing), dysarthria (difficulty speaking), and other neurological symptoms.
Also actiniform. Describing a collection of low-lying, radially structured clouds with distinct shapes (resembling leaves or wheels in satellite imagery), and typically organized in extensive mesoscale fields over marine environments. They are closely related to and sometimes considered a variant of stratocumulus clouds. actinometer A scientific instrument used to measure the heating power of ...
Also eon. age Age of Discovery Also called the Age of Exploration. The time period between approximately the late 15th century and the 17th century during which seafarers from various European polities traveled to, explored, and charted regions across the globe which had previously been unknown or unfamiliar to Europeans and, more broadly, during which previously isolated human populations ...
Even when different countries use the same definitions of terms, the social significance of the categories may differ considerably. Koblitz remarks: [69] It is not possible to use the same indicators to determine the situation in every country. The significant statistic might be the percentage of women teaching at the university level.