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Spinal cord fibers dedicated to carrying A-delta fiber pain signals, and others that carry both A-delta and C fiber pain signals up the spinal cord to the thalamus in the brain have been identified. Other spinal cord fibers, known as wide dynamic range neurons, respond to A-delta and C fibers, but also to the large A-beta fibers that carry touch, pressure and vibration signals. Pain-related activity in the thalamus spreads to the insular cortex (thought to embody, among other things, the feeling that distinguishes pain from other homeostatic emotions such as itch and nausea) and anterior cingulate cortex (thought to embody, among other things, the motivational element of pain); and pain that is distinctly located also activates the primary and secondary somatosensory cortices. Melzack and Casey's 1968 picture of the dimensions of pain is as influential today as ever, firmly framing theory and guiding research in the functional neuroanatomy and psychology of pain.

What are dynamic range neurons?
Answer: spinal cord fibers
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During the 200910 school year, there were a total of 10,979 pupils attending classes in Bern. There were 89 kindergarten classes with a total of 1,641 pupils in the municipality. Of the kindergarten pupils, 32.4% were permanent or temporary residents of Switzerland (not citizens) and 40.2% have a different mother language than the classroom language. The municipality had 266 primary classes and 5,040 pupils. Of the primary pupils, 30.1% were permanent or temporary residents of Switzerland (not citizens) and 35.7% have a different mother language than the classroom language. During the same year, there were 151 lower secondary classes with a total of 2,581 pupils. There were 28.7% who were permanent or temporary residents of Switzerland (not citizens) and 32.7% have a different mother language than the classroom language.

How many primary classes were there?
Answer: 266
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Media anthropology (also known as anthropology of media or mass media) emphasizes ethnographic studies as a means of understanding producers, audiences, and other cultural and social aspects of mass media. The types of ethnographic contexts explored range from contexts of media production (e.g., ethnographies of newsrooms in newspapers, journalists in the field, film production) to contexts of media reception, following audiences in their everyday responses to media. Other types include cyber anthropology, a relatively new area of internet research, as well as ethnographies of other areas of research which happen to involve media, such as development work, social movements, or health education. This is in addition to many classic ethnographic contexts, where media such as radio, the press, new media and television have started to make their presences felt since the early 1990s.

Media production and media reception are examples of what type of context?
Answer:
ethnographic