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Aphasia, also known as dysphasia, [a] is an impairment in a person’s ability to comprehend or formulate language because of damage to specific brain regions. [2] The major causes are stroke and head trauma; prevalence is hard to determine, but aphasia due to stroke is estimated to be 0.1–0.4% in developed countries. [3]
The Doppler effect (also Doppler shift) is the change in the frequency of a wave in relation to an observer who is moving relative to the source of the wave. [1] [2] [3] The Doppler effect is named after the physicist Christian Doppler, who described the phenomenon in 1842.
One classic cultural example of a biphasic sleep pattern is the practice of siesta, which is a nap taken in the early afternoon, often after the midday meal. [6] Such a period of sleep is a common tradition in some countries, particularly those where the weather is warm.
Portal hypertension is defined as increased portal venous pressure, with a hepatic venous pressure gradient greater than 5 mmHg. [3] [4] Normal portal pressure is 1–4 mmHg; clinically insignificant portal hypertension is present at portal pressures 5–9 mmHg; clinically significant portal hypertension is present at portal pressures greater than 10 mmHg. [5]
Griffin argues that the above definition can be condensed into one sentence: "Fascism is a political ideology whose mythic core in its various permutations is a palingenetic form of populist ultra-nationalism." [19] The word "palingenetic" in this case refers to notions of national rebirth.
The arterial resistivity index (also called as Resistance index, abbreviated as RI), developed by Léandre Pourcelot , is a measure of pulsatile blood flow that reflects the resistance to blood flow caused by microvascular bed distal to the site of measurement.
John Ruskin at Glenfinlas, Scotland (1853–54), by John Everett Millais [1]. The phrase pathetic fallacy is a literary term for the attribution of human emotion and conduct to things found in nature that are not human.
Catharsis is from the Ancient Greek word κάθαρσις, katharsis, meaning "purification" or "cleansing", commonly used to refer to the purification and purgation of thoughts and emotions by way of expressing them.