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Hyperthymesia: ability to recall the details of every day of life
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Principles of memory in general
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Not all principles of memory apply to all types of remembering
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Chapter 10: Language
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The organization of language
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Translation from ideas → sounds → ideas
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Languages can be broken down into phonemes (smallest unit of sound) → morphemes (smallest language units that carry meaning) → sentences (express intended meaning)
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Phonology
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Features of speech
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Voicing: vibration produced by movement of the vocal folds
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Manner of production: how airflow is restricted by the mouth and nose
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Place of articulation: where airflow is restricted
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Complexity of speech perception
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Speech segmentation: dividing audible speech into its constituent phonemes
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Coarticulation: phonemes overlap during speech
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Aids to speech perception
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Speech is quite limited in its range
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Perception of speech relies on knowledge and expectations that supplement the input and guide interpretation, weaving together “bottom-up” and “top-down” processes
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Phonemic restoration effect: people hear phonemes in the middle of complete words even when they’re removed
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Context in which we hear a word
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Categorical perception: people are better at hearing the differences between categories of sounds than they are at hearing the variations within a category of sounds
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Perceptual apparatus is tuned to provide just the information we need
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Combining phonemes
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Combinations of phonemes rely on strict rules that differ from language to language
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Morphemes and words
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What we know about words
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Sound: the sequence of phonemes that make up the word
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Orthography: the sequence of letters that spell the word
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Meaning: the semantic representation accompanying the phonological representation
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Building new words
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Generativity of language: language’s capacity to create an endless series of new combinations, all build from the same set of fundamental units
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Knowing a language means knowing the rules governing how to combine phonemes and morphemes in that language
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Syntax: rules that govern the structure of a phrase or sentence
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Phrase structure
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Phrase-structure rules: rules that specify which elements must appear in a phrase and that govern the sequence of those elements
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Tree structure: depicts phrase structure
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Prescriptive and descriptive rules
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Prescriptive rules: rules describing how language is supposed to be
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Yet, languages are subject to a pattern of change over time
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Descriptive rules: rules characterizing the language as it’s ordinarily used by fluent speakers and listeners
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The function of phrase structure
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Helps you discern between language that “makes sense” and that which does not abide by syntactical rules
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Helps you understand the sentences you hear or read because syntax specifies the relationships among the words in each sentence (who did what to whom?)
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Sentence parsing
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Parsing: figuring out each word’s syntactic role
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People parse as they hear sentences, trying to understand each word as it arrives; this is efficient but prone to errors
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Garden-path sentences: initially led to one interpretation, but that interpretation turns out to be wrong
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Temporary ambiguity: the early part of a sentence is open to multiple interpretations but the later part of the sentence clears things up
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Syntax as a guide to parsing
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People seek the simplest phrase structure that will accommodate the words hear so far
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People assume they’ll be hearing/reading active-voice sentences rather than passive-voice sentences
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Parsing is informed by function words and the various morphemes that signal syntactic roles
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Background knowledge as a guide to parsing
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People parse sentences in a way that makes sense to them
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Extralinguistic context: the physical and social setting in which we encounter sentences that informs our understanding
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Prosody: pitch and rhythm cues
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Reveals mood of a speaker
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Directs a listener’s attention
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Make seemingly ambiguous sentences make sense
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Pragmatics: knowledge about how language is ordinarily used
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To know a language…
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Know a rich set of rules about how and whether elements can be combined
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Know a set of principles whenever perceiving and understanding linguistic inputs
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Gricean maxims: describe maxims speakers follow and listeners count on (eg. maxim of relation, maxim of quantity)
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Biological roots of language
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Aphasia: the loss of the ability to produce and understand ordinary language
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Broca’s aphasia: damage to Broca’s area on the left frontal lobe produces nonfluent aphasia (patient can understand language they hear but cannot write or speak)
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Wernicke’s aphasia: damage to Wernicke’s area produces fluent aphasia (patient can talk freely but say very little)
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Biology of language learning
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We have evolved highly sophisticated learning capacities that have evolved specifically for language learning
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Specific-language impairment (SLI): children have normal intelligence and no problems with muscle movements needed to produce language but are still slow to learn language and have difficulty understanding and producing many sentences
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The processes of language learning
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Language learning depends on a child’s picking up information from their environment
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Children are sensitive to patterns and regularities in what they hear and derive broad principles
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Overregularization errors: children often over rely on the new principles they learn
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Semantic bootstrapping: children rely on their knowledge of semantic relationships as a basis for figuring out syntax
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Animal language
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FOXP2 gene in humans prepares us for language learning
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Animal languages do not support the generativity of human language
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Language and thought
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Linguistic relativity: people who speak different language inevitably think differently because language shapes thought
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How do languages differ?
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Vocabulary for physical environment
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Directional cues
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Describing events
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Under this view, learning a language permanently changes your cognition
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More plausible: the language you hear guides what you pay attention to, and what you pay attention to shapes your thinking
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Under this view, it’s your experience that shapes your thought
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Bilingualism
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Being raised bilingually may encourage better executive control
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Chapter 12: Judgment and Reasoning
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Judgment: the process through which people draw conclusions from the evidence they encounter
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Why do people sometimes draw accurate conclusions from their experience and sometimes not?
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Mistakes in judgment
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Heuristic: an efficient strategy that usually leads to the right answer
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Sacrifice accuracy for efficiency
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