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Introduction to Psychology: Language and Thought

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  • What is language?

    Language is a system of symbols and rules used to communicate meaning, allowing humans to express abstract, imagined, or non-present concepts.

  • What are phonemes?

    Phonemes are the smallest speech sounds that can distinguish meaning, such as /b/ and /p/ in "bat" and "pat".

  • Define morphemes.

    Morphemes are the smallest meaningful units of language, like "dog" or the parts of "unhelpfulness" (un + help + ful + ness).

  • What are phonological rules?

    Phonological rules govern how speech sounds can be combined in a language.

  • What are morphological rules?

    Morphological rules govern how meaningful units combine to form words.

  • What is syntax?

    Syntax refers to the rules for arranging words to form meaningful phrases and sentences.

  • Explain deep structure vs surface structure in language.

    Deep structure is the meaning of a sentence, while surface structure is how the sentence is worded.

  • How do infants demonstrate speech-sound discrimination?

    Infants show discrimination by switching attention when speech sounds change, indicating they can distinguish different phonemes.

  • What is babbling and its significance?

    Babbling is rhythmic vocal or hand movements in infants, reflecting readiness for language in both spoken and signed languages.

  • What is fast mapping in language development?

    Fast mapping is when children connect a new word with its meaning after very limited exposure.

  • What is overgeneralization in language learning?

    Overgeneralization occurs when children apply grammatical rules too broadly, e.g., saying "goed" instead of "went".

  • Summarize the behaviorist explanation of language development.

    Children learn language by imitating speech and receiving reinforcement, emphasizing exposure and feedback.

  • What is the nativist explanation of language development?

    Humans have an inborn biological capacity for language, including a universal grammar that guides acquisition.

  • Describe interactionist explanations of language development.

    Language develops through biological readiness combined with social interaction, exposure, and feedback.

  • What is Broca's aphasia?

    Broca's aphasia causes slow, effortful speech with better preserved comprehension, linked to left frontal cortex damage.

  • What is Wernicke's aphasia?

    Wernicke's aphasia results in fluent but meaningless speech and impaired comprehension, linked to left temporal cortex damage.

  • How does bilingualism affect the brain?

    Bilingualism relates to experience and proficiency, with some brain structure changes but inconsistent evidence for cognitive advantages.

  • What is linguistic relativity?

    Linguistic relativity suggests language influences how we attend to, categorize, and remember information.

  • What is linguistic determinism?

    Linguistic determinism is the stronger claim that language determines or limits thought, which research does not fully support.

  • Define concept and category in cognition.

    A concept is a mental representation of a class of objects or ideas; a category groups those objects or ideas together.

  • What is prototype theory?

    Prototype theory categorizes by comparing items to a mental representation of a typical category member.

  • What is exemplar theory?

    Exemplar theory categorizes by comparing items to specific examples stored in memory.

  • What is the representativeness heuristic?

    A mental shortcut judging likelihood by similarity to a stereotype, which can lead to ignoring actual probabilities.

  • What is the availability heuristic?

    Judging frequency or likelihood based on how easily examples come to mind.

  • Explain framing effects in decision making.

    Framing effects occur when different presentations of the same information change judgments.

  • What is the sunk-cost fallacy?

    Allowing past unrecoverable investments to influence current decisions, even when it is irrational.

  • What is loss aversion in prospect theory?

    Loss aversion means losses have a greater psychological impact than equivalent gains.

  • How does damage to the prefrontal cortex affect decision making?

    It impairs using past consequences to guide choices, leading to preference for immediate rewards despite poor long-term outcomes.