The brain area pinpointed is known to be intimately involved in some of the most advanced planning and decision-making processes that we think of as being especially human.
'We tend to think that being able to plan into the future, be flexible in our approach and learn from others are things that are particularly impressive about humans. We've identified an area of the brain that appears to be uniquely human and is likely to have something to do with these cognitive powers,' says senior researcher Professor Matthew Rushworth of Oxford University's Department of Experimental Psychology.
MRI imaging of 25 adult volunteers was used to identify key components in the ventrolateral frontal cortex area of the human brain, and how these components were connected up with other brain areas. The results were then compared to equivalent MRI data from 25 macaque monkeys.
This ventrolateral frontal cortex area of the brain is involved in many of the highest aspects of cognition and language, and is only present in humans and other primates. Some parts are implicated in psychiatric conditions like ADHD, drug addiction or compulsive behaviour disorders. Language is affected when other parts are damaged after stroke or neurodegenerative disease. A better understanding of the neural connections and networks involved should help the understanding of changes in the brain that go along with these conditions.
The Oxford University researchers report their findings in the science journal Neuron.
Professor Rushworth explains: 'The brain is a mosaic of interlinked areas. We wanted to look at this very important region of the frontal part of the brain and see how many tiles there are and where they are placed.
'We also looked at the connections of each tile -- how they are wired up to the rest of the brain -- as it is these connections that determine the information that can reach that component part and the influence that part can have on other brain regions.'
From the MRI data, the researchers were able to divide the human ventrolateral frontal cortex into 12 areas that were consistent across all the individuals.
Answer:
humidity is the amount of water vapor/moisture in the air.
Explanation:
absolute humidity describes the water contet of air and is expressed in either grams.
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<span>Many of the new families in the neighborhood have small children. Consequently, demands on the local daycare center have been increasing.
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The Qin Dynasty (221-206 BCE) was the first dynasty of Imperial China (defined as the era of centralized, dynastic government in China between 221 BCE and 1912 CE) which united the separate states following the Warring States Period (c. 481-221 BCE), the era of near-constant warfare resulting from the decline of the Zhou Dynasty (1046-256 BCE). It was founded by Shi Huangdi (r. 221-210 BCE) who understood that the Zhou’s policy of a decentralized government had contributed to its fall and so established a centralized state which decreased the power of the aristocracy, eliminated the borders between different states, and operated according to the precepts of the philosophy of Legalism. It arose from the state of Qin (pronounced “chin”) which gave its name to China as it was the westernmost state and so the one which western merchants primarily engaged with.
