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Lead poisoning, also known as plumbism and saturnism, is a type of metal poisoning caused by lead in the body. [ 2] Symptoms may include abdominal pain, constipation, headaches, irritability, memory problems, infertility, and tingling in the hands and feet. [ 1] It causes almost 10% of intellectual disability of otherwise unknown cause and can ...
Serial sevens. Serial sevens (or, more generally, the descending subtraction task; DST ), where a patient counts down from one hundred by sevens, is a clinical test used to test cognition; for example, to help assess mental status after possible head injury, in suspected cases of dementia or to show sleep inertia.
Quizlet is a multi-national American company that provides tools for studying and learning. [ 1] Quizlet was founded in October 2005 by Andrew Sutherland, who at the time was a 15-year old student, [ 2] and released to the public in January 2007. [ 3] Quizlet's primary products include digital flash cards, matching games, practice electronic ...
Later research on short-term memory and working memory revealed that memory span is not a constant even when measured in a number of chunks. The number of chunks a human can recall immediately after presentation depends on the category of chunks used (e.g., span is around seven for digits, around six for letters, and around five for words), and even on features of the chunks within a category.
The Dunning–Kruger effect is defined as the tendency of people with low ability in a specific area to give overly positive assessments of this ability. [ 2][ 3][ 4] This is often seen as a cognitive bias, i.e. as a systematic tendency to engage in erroneous forms of thinking and judging. [ 5][ 6][ 7] In the case of the Dunning–Kruger effect ...
Sen. Jon Tester (D-Mont.) asked a congressional watchdog this week to review the work of the Bureau of Indian Affairs (BIA) in Montana, criticizing what he described as the bureau’s ...
Ionizing radiation (US, ionising radiation in the UK), including nuclear radiation, consists of subatomic particles or electromagnetic waves that have sufficient energy to ionize atoms or molecules by detaching electrons from them. [ 1] Some particles can travel up to 99% of the speed of light, and the electromagnetic waves are on the high ...
As you wait for prescription drug costs to come down from the clouds, here's how you can save money on the medications you need. 1. Use a coupon program. If you don't have insurance, a ...