ch 9 language and thought
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Questions and Answers

Define cognition.

Mental action of acquiring knowledge through thought, experience, and the senses; independent abilities.

Define language.

A system for communicating with others using signals combined according to rules of grammar that convey meaning.

Define grammar.

A set of rules that specify how units of language can be combined to produce meaningful messages.

What makes human language unique?

<p>Complexity</p> Signup and view all the answers

What are phonemes?

<p>The smallest unit of sound recognizable as speech, differing in production.</p> Signup and view all the answers

What are phonological rules?

<p>How phonemes can be combined to produce speech sounds, learned without instruction.</p> Signup and view all the answers

What are content morphemes?

<p>Things and events; examples include cat, dog, take.</p> Signup and view all the answers

What are function morphemes?

<p>Expression of abstract ideas; grammatical function (and, but), indicate time (when), or added to content morphemes (prefix or suffix) like -s for plural.</p> Signup and view all the answers

What are syntactic rules?

<p>How words can be combined to form phrases and sentences.</p> Signup and view all the answers

Which of the following are milestones of language development?

<p>Infants at birth distinguish between all human language sounds.</p> Signup and view all the answers

What are cooing and babbling?

<p>Cooing involves simple vowel sounds like 'ah-ah', crying, and laughing. Babbling, occurring between 4-6 months, combines vowels and consonants, resembling syllables with no meaning.</p> Signup and view all the answers

Infants without hearing are unlikely to babble by the time they are 11 months old.

<p>False</p> Signup and view all the answers

The sounds 'd' and 't' typically appear before 'm' and 'n' in infant babbling.

<p>True</p> Signup and view all the answers

What is fast mapping?

<p>Children map a word onto a concept after only one exposure.</p> Signup and view all the answers

What is telegraphic speech?

<p>Short sentences devoid of function morphemes, mostly consisting of content words, typically used around 24 months of age.</p> Signup and view all the answers

How do children's grammatical skills develop between 2-3 and 4-5 years of age?

<p>Between 2-3 years old, children use correct past-tense verbs (e.g., 'I ran'). Between 4-5 years old, they may use incorrect forms (e.g., 'I runned'), likely an overregularization of grammatical rules.</p> Signup and view all the answers

What is overregularization?

<p>Overusing a grammatical rule, leading to errors like adding '-ed' for past tense.</p> Signup and view all the answers

What are the two main contributors to language development?

<p>Both A and B</p> Signup and view all the answers

Explain the behaviourist theory of language development.

<p>According to B.F. Skinner, we learn to talk through reinforcement, shaping, extinction, and other principles of operant conditioning.</p> Signup and view all the answers

Explain the nativist theory of language development.

<p>Noam Chomsky proposed that language development is an innate biological capacity, equipped with a universal grammar (a collection of processes that facilitate language learning).</p> Signup and view all the answers

Explain the interactionalist theory of language development.

<p>This theory combines the innate ability to acquire language with the importance of social interactions in shaping language development.</p> Signup and view all the answers

What is genetic dysphasia?

<p>An inability to learn the grammatical structure of language despite having normal intelligence, likely caused by a single gene.</p> Signup and view all the answers

It is easier to learn a new language after puberty.

<p>False</p> Signup and view all the answers

What are the language centers in the brain?

<p>Broca's area (left frontal cortex) is responsible for language production, while Wernicke's area (left temporal cortex) handles language comprehension.</p> Signup and view all the answers

Describe the role of the right hemisphere in language processing.

<p>It processes meaning and is activated during language tasks. It can also contribute to language recovery after left hemisphere damage in children.</p> Signup and view all the answers

What are the cognitive advantages and disadvantages of bilingualism?

<p>Later onset of Alzheimer's disease.</p> Signup and view all the answers

What have we learned from studying language in apes?

<p>Apes have limited vocal tracts and struggle to produce human sounds. They show a critical period for language learning, progressing from passive to active mastery. However, they have limited vocabulary, conceptual understanding, and grammar abilities.</p> Signup and view all the answers

Explain the linguistic relativity hypothesis and provide evidence for and against it.

<p>The linguistic relativity hypothesis suggests that language shapes the nature of thought. While evidence suggests that language can influence colour processing and possibly thought, it doesn't support the claim that language <em>determines</em> how we think and perceive the world.</p> Signup and view all the answers

Define codability.

<p>The degree of consensus in describing a stimulus.</p> Signup and view all the answers

Define concepts and explain their importance to our ability to think.

<p>A concept is a mental representation that groups or categorizes shared features of related objects, events, or stimuli. Concepts are fundamental to thought because they allow the brain to organize information into categories based on similarities, facilitating understanding and reasoning.</p> Signup and view all the answers

What is a necessary condition and a sufficient condition?

<p>A necessary condition is something that <strong>must</strong> be true of an object for it to belong to a category. A sufficient condition, if true, proves that an object belongs to the category.</p> Signup and view all the answers

What is prototype theory, and what is a prototype?

<p>Prototype theory states that category inclusion is based on the 'best' or 'most typical' member of a category. A prototype has many, if not all, of the most characteristic features of a category.</p> Signup and view all the answers

Explain the exemplar theory.

<p>Category judgments are made by comparing new instances to memories of other instances of a category.</p> Signup and view all the answers

Compare prototype and exemplar theories of concepts.

<p>Prototype theory suggests that a new stimulus is compared to a single prototype, while exemplar theory proposes that it's compared to multiple stored exemplars within a category.</p> Signup and view all the answers

What brain regions are involved in organizing and processing concepts?

<p>All of the above</p> Signup and view all the answers

Explain the rational choice theory.

<p>Rational choice theory suggests that decisions are made by calculating how likely an outcome is to happen and then multiplying that likelihood by the judged value of the outcome.</p> Signup and view all the answers

Explain lesion studies in categories.

<p>Category-specific deficits refer to the inability to recognize objects within a particular category. Damage to different brain regions can lead to difficulties recognizing specific types of objects.</p> Signup and view all the answers

Why do we fail to make rational decisions?

<p>We may deviate from rational decision-making due to factors like prospect theory, which suggests people are more willing to take risks to avoid losses than to achieve gains, and the certainty effect, where we favor sure outcomes over uncertain ones.</p> Signup and view all the answers

Describe the key ideas underlying prospect theory.

<p>Prospect theory suggests that people simplify available information and choose the option that seems to offer the best value. It also emphasizes the role of a reference point for comparison.</p> Signup and view all the answers

Define frequency.

<p>The number of times something will happen.</p> Signup and view all the answers

Define the availability bias.

<p>Items more readily available in memory are judged as having occurred more frequently.</p> Signup and view all the answers

What are heuristics and algorithms?

<p>Heuristics are fast and efficient strategies that may facilitate decision-making but don't guarantee a solution. Algorithms are well-defined procedures that guarantee a solution to a problem.</p> Signup and view all the answers

What is the conjunction fallacy?

<p>The belief that two events occurring together are more likely than either event occurring alone.</p> Signup and view all the answers

What is the representativeness heuristic?

<p>Making a probability judgment by comparing an object or event to a prototype.</p> Signup and view all the answers

Explain framing effects.

<p>People give different answers to the same problem depending on how the problem is framed.</p> Signup and view all the answers

Explain the sunk cost fallacy.

<p>People make decisions about current situations based on what they have previously invested in the situation.</p> Signup and view all the answers

What is the optimism bias?

<p>The belief that, compared to others, we are more likely to experience positive events in the future.</p> Signup and view all the answers

What is the brain's role in decision-making?

<p>Less activity in the prefrontal cortex is related to riskier decision-making. Damage to the prefrontal lobe can result in insensitivity to the future consequences of behavior.</p> Signup and view all the answers

Distinguish between an ill-defined problem and a well-defined problem.

<p>An ill-defined problem lacks a clear goal or well-defined paths to a solution. A well-defined problem has clearly specified goals and clearly defined solution paths.</p> Signup and view all the answers

What is means-end analysis?

<p>Means-end analysis involves searching for the means or steps to reduce differences between the current situation and the desired goal.</p> Signup and view all the answers

Explain analogical problem-solving.

<p>Analogical problem-solving involves solving a problem by finding a similar problem with a known solution and applying that solution to the current problem.</p> Signup and view all the answers

What assesses the results of the reasoning process?

<p>Logic.</p> Signup and view all the answers

When people think about how to solve a problem, they typically think about what?

<p>Algorithms.</p> Signup and view all the answers

What are language milestones?

<p>0-4 months: can tell differences between all human speech sounds.</p> Signup and view all the answers

Compare means-end analysis problem-solving approaches with analogical problem-solving approaches.

<p>Means-end analysis focuses on identifying and reducing differences between the current state and the desired goal, while analogical problem-solving utilizes previous experiences or similar situations to solve a current problem.</p> Signup and view all the answers

What are the factors that lead to or inhibit insight and creativity?

<p>Insight often involves an unconscious activation of relevant memories, and insight occurs when the activation of sufficient information crosses a threshold of awareness.</p> Signup and view all the answers

How can our thoughts be limited?

<p>Functional fixedness, a tendency to perceive objects as having unchanging functions, can limit creative problem-solving. However, 'life hacks' may help push past functional fixedness.</p> Signup and view all the answers

Define reasoning.

<p>Reasoning involves organizing information or beliefs into a series of steps to reach conclusions.</p> Signup and view all the answers

Define logic.

<p>A system of rules that specifies which conclusions follow from a set of statements.</p> Signup and view all the answers

Explain why a statement can be true, but the subsequent argument can be invalid.

<p>A true statement doesn't guarantee a valid argument. An argument is only valid if the conclusion logically follows from the premises.</p> Signup and view all the answers

Explain belief bias.

<p>Belief bias occurs when people's judgments about accepting a conclusion are influenced more by how believable the conclusion is rather than by the logical validity of the arguments.</p> Signup and view all the answers

Explain the illusory truth effect.

<p>Repeated exposure to a statement increases the likelihood that people will judge it as true.</p> Signup and view all the answers

Explain the distinction between truth and validity in reasoning, and how it relates to belief biases and illusions of truth.

<p>Truth refers to the accuracy of a statement, while validity refers to the logical soundness of an argument. Belief biases and illusions of truth can influence judgments about the truth and validity of statements, as our beliefs and repeated exposure can affect our perception of information.</p> Signup and view all the answers

Study Notes

Cognition and Language

  • Cognition is the mental process of acquiring knowledge through thought, experience, and senses. It's an independent ability.
  • Language is a system for communicating using signals combined grammatically to convey meaning.
  • Grammar is a set of rules defining how language units combine meaningfully.

Language Structure

  • Phonemes are the smallest speech sounds.
  • Phonological rules combine phonemes for speech.
  • Morphemes are meaningful language units (phonemes combined).
  • Morphological rules combine morphemes into words.
  • Content morphemes represent things and events (e.g., cat, dog, take).
  • Function morphemes are abstract concepts, or grammatical markers (e.g., -s, and, but, when).
  • Syntactic rules combine words into phrases and sentences.

Language Development

  • Infants distinguish all sounds at birth; by 6 months, only those of their language.
  • Early speech includes cooing, babbling (meaningless combinations of vowels and consonants).
  • Milestones include first words (around 1 year), a vocabulary growing to 10,000 words by age five, and eventually, mastery of grammatical rules.
  • Language learning is rapid, using fast mapping and telegraphic speech.

Theories of Language Development

  • Behaviorist theory (Skinner): language acquired through reinforcement.
  • Nativist theory (Chomsky): innate language acquisition device with universal grammar.
  • Interactionalist theory: emphasizes innate abilities alongside social interaction in learning.
  • Genetic dysphasia: difficulty learning grammar despite normal intelligence, possibly a single-gene issue.

Language and the Brain

  • Language centers include Broca's area (speech production) and Wernicke's area (comprehension).
  • Aphasia involves difficulty producing or comprehending language.
  • The right hemisphere also plays a role in language, potentially recovering language ability after left-hemisphere damage in children.

Bilingualism

  • Bilingualism may protect against Alzheimer's; no clear executive function advantage.
  • No evidence of slowed cognitive development in bilingual children.

Language in Apes

  • Apes may show limited vocabulary, conceptual understanding, and grammar comprehension. Research can uncover further development with language use.

Linguistic Relativity

  • Linguistic relativity (Sapir-Whorf hypothesis) proposes that language shapes thought.
  • Limited support exists; language influences color processing and categorization.
  • Codability—how easily something is described in a language—affects thinking.

Concepts

  • Concepts categorize shared features of objects, events, and stimuli. They are crucial for thinking.
  • Necessary conditions are essential for category membership; sufficient conditions prove membership.

Theories of Concepts

  • Prototype theory proposes to compare to best examples of a category.
  • Exemplar theory compares to specific examples.

Decision Making

  • Rational choice theory posits decisions based on likelihood and value.
  • Errors in decision making stem from biases like prospect theory (riskier choices to avoid loss).
  • Frequency estimation is better than probability estimation and more commonly used.

Problem Solving

  • Means-end analysis finds steps to reduce current state differences from goals.
  • Analogical problem solving applies solutions from similar problems.
  • Insight problems involve unconscious activation of relevant memories and knowledge.
  • Functional fixedness limits thinking to typical object functions.

Reasoning and Logic

  • Reasoning involves organizing information to reach conclusions.
  • Logic is the system of rules for valid conclusions.
  • Belief bias prioritizes believability over logic.
  • Illusory truth effect: Frequent exposure to a statement increases perceived truth.
  • Reasoning may be affected by pre-existing beliefs or familiarity (repetitive exposure).
  • Truth and validity are distinct concepts; one can have a valid argument with false premises and vice versa.

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Description

Explore the fundamental concepts of cognition and language in this quiz. Understand the importance of phonemes, morphemes, and grammar in communication. Test your knowledge on language development stages and the rules governing language structure.

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