Information in short term memory is coded

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information in short term memory is coded

Dog Whistle Politics: How Coded Racial Appeals Have Reinvented Racism and Wrecked the Middle Class by Ian F. Haney-Lopez

Campaigning for president in 1980, Ronald Reagan told stories of Cadillac-driving welfare queens and strapping young bucks buying T-bone steaks with food stamps. In trumpeting these tales of welfare run amok, Reagan never needed to mention race, because he was blowing a dog whistle: sending a message about racial minorities inaudible on one level, but clearly heard on another. In doing so, he tapped into a long political tradition that started with George Wallace and Richard Nixon, and is more relevant than ever in the age of the Tea Party and the first black president.

In Dog Whistle Politics, Ian Haney Lopez offers a sweeping account of how politicians and plutocrats deploy veiled racial appeals to persuade white voters to support policies that favor the extremely rich yet threaten their own interests. Dog whistle appeals generate middle-class enthusiasm for political candidates who promise to crack down on crime, curb undocumented immigration, and protect the heartland against Islamic infiltration, but ultimately vote to slash taxes for the rich, give corporations regulatory control over industry and financial markets, and aggressively curtail social services. White voters, convinced by powerful interests that minorities are their true enemies, fail to see the connection between the political agendas they support and the surging wealth inequality that takes an increasing toll on their lives. The tactic continues at full force, with the Republican Party using racial provocations to drum up enthusiasm for weakening unions and public pensions, defunding public schools, and opposing health care reform.

Rejecting any simple story of malevolent and obvious racism, Haney Lopez links as never before the two central themes that dominate American politics today: the decline of the middle class and the Republican Partys increasing reliance on white voters. Dog Whistle Politics will generate a lively and much-needed debate about how racial politics has destabilized the American middle class -- white and nonwhite members alike.
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How We Make Memories: Crash Course Psychology #13

Anything we perceive can potentially become a memory. Whether or not a perception becomes a memory may depend on the type of stimulus e. For example, an individual might witness an acrobatic feat that creates a lasting image.
Ian F. Haney-Lopez

Short-term memory

Short-term memory or " primary " or " active memory " is the capacity for holding, but not manipulating, a small amount of information in mind in an active, readily available state for a short period of time. For example, short-term memory can be used to remember a phone number that has just been recited. The duration of short-term memory when rehearsal or active maintenance is prevented is believed to be in the order of seconds. In contrast, long-term memory can hold the information indefinitely. Short-term memory should be distinguished from working memory , which refers to structures and processes used for temporarily storing and manipulating information see details below. The idea of the division of memory into short-term and long-term dates back to the 19th century.

This paper attempts to evaluate the capacity of immediate memory to cope with new situations in relation to the compressibility of information likely to allow the formation of chunks. We constructed a task in which untrained participants had to immediately recall sequences of stimuli with possible associations between them. Compressibility of information was used to measure the chunkability of each sequence on a single trial. Compressibility refers to the recoding of information in a more compact representation. Although compressibility has almost exclusively been used to study long-term memory, our theory suggests that a compression process relying on redundancies within the structure of the list materials can occur very rapidly in immediate memory. The results indicated a span of about three items when the list had no structure, but increased linearly as structure was added.

Making connections between theory and reality

For complaints, use another form. Study lib. Upload document Create flashcards. Documents Last activity. Flashcards Last activity. Add to Add to collection s Add to saved.

Jump to navigation. To do this, click here. Conrad suggested that short-term memory codes all information acoustically , that is, according to sound. Shulman disagreed and thought that short-term memory also coded information visually and according to semantics meaning. Heyer and Barrett suggested that visual images that are difficult to acoustically code may also be stored briefly in short term memory. Bs were mistaken for Ps 62 times, Vs were mistaken for Ps 83 times but Ss were mistaken for Ps only 2 times. Conrad referred to these errors as Acoustic Confusion.

The nature of the mechanisms that code item position in serial short-term verbal recall was investigated with reference to temporal grouping phenomena--effects that arise when additional pauses are inserted in a presented list to form groups of items. Several recent models attempt to explain these phenomena by assuming that positional information is retained by associating items with contextual information. Three experiments examined whether coding of position is time dependent. The critical manipulation was to vary stimulus-onset asynchrony from one group to the next in the same list. Lists of consonants were presented visually, but with vocalization in Experiment 1, auditorily in Experiment 2, and auditorily with articulatory suppression in Experiment 3.


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    32) It is now believed that short-term memory can hold as much information as can be repeated or 45) Information in short-term memory is coded ______.

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