Wednesday, 17 October, 2018

How To See A Memory

How To See A Memory

Posted on Saturday, 20 January, 2018 by Zheluo Cai

How To See A Memory.

Cognitive neuroscience theories deal with information processing that is represented in different brain structures, how is this information transformed over time, and how is it used to guide behaviour? While a subject performs a cognitive task, we can obtain estimates of local blood flow via functional MRI, a powerful tool, which can identify from tens of thousands of distinct neuroanatomical locations (voxels, or volumetric pixels), within a matter of seconds. A key challenge for cognitive neuroscience is determining how mental representations map onto patterns of neural activity. Recently, researchers have started to address this question by applying sophisticated pattern-classification algorithms to distributed (multi-voxel) patterns of functional MRI data, with the goal of decoding the information that is represented in the subject’s brain at a particular point in time. This multi-voxel pattern analysis (MVPA) approach has led to several impressive feats of mind reading. More importantly, MVPA methods constitute a useful new tool for advancing our understanding of neural information processing.

Read Article Here:

https://www.nature.com/articles/d41586-018-00107-4

The Guna, known as Kuna prior to an orthographic reform in 2010, and historically as Cuna, are an indigenous people of Panama and Colombia. In the Kuna language, they call themselves Dule or Tule, meaning "people," and the name of the language in Kuna is Dulegaya, literally "people-mouth." Most Gunas live on small islands off the coast of the comarca of Kuna Yala known as the San Blas Islands. Each community has its own political organization, led by a saila, who is traditionally both the political and religious leader of the community; he memorizes songs which relate the sacred history of the people and transmits them to the people. Traditionally, Guna families are matrilinear, with the groom moving to become part of the bride's family and taking the last name of the bride as well.

Education materials for Sulawesi earthquake- and tsunami-affected arrive in Indonesia Tuesday, 16 October, 2018
Source: UN Children's Fund Country: Indonesia 220 temporary UNICEF classroom tents plus 200 school-in-a-box kits are arriving in Sulawesi to help restore a sense of normalcy as schools become therapeutic spaces for children.JAKARTA, 16 October 2018 – Today UNICEF announced the arrival of 30 tonnes of emergency education materials including 65 tents (for temporary classrooms) […]

Jupiter in Ultraviolet from Hubble.
Image Credit: NASA, ESA, Hubble; Processing & License: Judy Schmidt. Jupiter looks a bit different in the ultraviolet light. The colours of Jupiter go beyond the normal human visual range to include both ultraviolet and infrared light. Featured from 2017, Jupiter appears different partly because the amount of sunlight reflected back is distinct, giving differing cloud heights and latitudes discrepant brightnesses. In the near UV, Jupiter's poles appear relatively dark, as does its Great Red Spot and a smaller (optically) white oval to the right. The String of Pearl storms farther to the right, however, is brightest in near ultraviolet, and so here appear pink. Jupiter's largest moon Ganymede appears on the upper left.

The flag of Mozambique was adopted on May 1, 1983. It includes the image of an AK-47 with a bayonet attached to the barrel. It is one of three national flags among UN member states that features a firearm, along with those of Guatemala and Haiti. Green stands for the riches of the land, the white fimbriations signify peace, black represents the African continent, yellow symbolises the country's minerals, and red represents the struggle for independence. The rifle stands for defence and vigilance, the open book symbolises the importance of education, the hoe represents the country's agriculture, and the star symbolises Marxism and internationalism.

The Elgin Marbles are a collection of Classical Greek marble sculptures made under the supervision of Phidias and his assistants in c. 447 to 438 BC; originally part of the temple of the Parthenon. From 1801 to 1812, agents of Thomas Bruce, 7th Earl of Elgin removed about half of the surviving sculptures and transported them to Britain. The half not removed is now displayed in the Acropolis Museum. In Britain, the acquisition of the collection was not supported by some, and the Earl's actions was likened to vandalism. Following a public debate in Parliament and its subsequent exoneration of Elgin, he sold the Marbles to the British government in 1816. They were then passed to the British Museum, where they are now on display in the purpose-built Duveen Gallery.

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