Cognitive Science: Thinking and the Mind

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Questions and Answers

What is the primary goal of cognitive science regarding thinking?

  • To describe and explain various types of thinking. (correct)
  • To improve the speed of thinking processes.
  • To focus solely on instances where thinking leads to poor decisions.
  • To only describe different kinds of problem-solving.

Which of the following best describes the capabilities of the mind in relation to the world?

  • The mind is limited by the sparse, noisy, and ambiguous data it receives.
  • The mind only processes generalizations from direct experiences.
  • The mind constructs detailed models of the world from limited data. (correct)
  • The mind struggles to create inferences due to data limitations.

A cognitive scientist is studying how people quickly understand visual scenes. Which question aligns with this research?

  • How do people solve complex mathematical problems?
  • How do people memorize lists of objects?
  • How do people identify objects and their locations in a scene? (correct)
  • How do people describe abstract concepts?

Concept learning extends beyond simple classification. What does it also encompass?

<p>Understanding relationships and functions (B)</p> Signup and view all the answers

Which of these is an example of an everyday prediction problem?

<p>Estimating the cooking time remaining for a dish (A)</p> Signup and view all the answers

What do cognitive scientists believe knowledge in the mind primarily consists of?

<p>Mental representations (D)</p> Signup and view all the answers

What is MOST accurate regarding the role of mental procedures?

<p>They produce thoughts, reasoning, and actions. (C)</p> Signup and view all the answers

What constitutes reasoning in the context of cognitive science?

<p>Using existing knowledge to draw conclusions (D)</p> Signup and view all the answers

If you observe that every cat you've seen is black, and conclude that all cats are black, what type of reasoning are you using?

<p>Inductive reasoning (B)</p> Signup and view all the answers

In a grocery store, employees wearing football jerseys every Friday to support the local team can lead to what kind of reasoning?

<p>Deductive, if you start expecting it after reading about the policy. (C)</p> Signup and view all the answers

What characterizes deductive reasoning?

<p>Starting with a general principle and applying it to specific cases (C)</p> Signup and view all the answers

What conclusion can be drawn if the premises in deductive reasoning are correct?

<p>The conclusion must be true. (B)</p> Signup and view all the answers

If you observe several black marbles being drawn from a bag and conclude that all marbles in the bag are black, what type of reasoning are you using?

<p>Inductive reasoning (D)</p> Signup and view all the answers

Which of the following describes a key limitation of deductive reasoning?

<p>It cannot make predictions about future events. (C)</p> Signup and view all the answers

Which of the following is a key characteristic of inductive reasoning?

<p>It has the potential to increase human knowledge. (A)</p> Signup and view all the answers

In argument terminology, what does 'valid' refer to?

<p>A conclusion that follows from the premises if we assume the premises are true. (B)</p> Signup and view all the answers

What do the computational procedures operating on representational structures in the mind enable, according to the central hypothesis of cognitive science?

<p>Thinking (B)</p> Signup and view all the answers

What does the acronym CRUM stand for in the context of cognitive science?

<p>Computational-Representational Understanding of Mind (B)</p> Signup and view all the answers

What does 'mental representation' refer to in the context of cognitive science?

<p>Hypothetical internal cognitive symbol (D)</p> Signup and view all the answers

In knowledge representation, how does the use of formalisms benefit complex systems?

<p>It makes them easier to design and build. (D)</p> Signup and view all the answers

Which of the following best characterizes the purpose of knowledge representation?

<p>To enable computers to simulate thinking (A)</p> Signup and view all the answers

Which structure is NOT one of the three main components of a classic rules-based system?

<p>Data Input Module (D)</p> Signup and view all the answers

What does the inference engine do in a rules-based system?

<p>Applies rules to the working memory. (B)</p> Signup and view all the answers

Which of the following represents a key limitation of rules-based systems?

<p>They can be tough to maintain with thousands of rules. (D)</p> Signup and view all the answers

What benefit do taxonomies give in the context of knowledge representation?

<p>They cluster information and orgranize knowledge. (D)</p> Signup and view all the answers

What is a Bayesian network particularly useful for modeling?

<p>Situations where confidence in a belief may change (D)</p> Signup and view all the answers

In a Bayesian network diagram, what do arcs represent?

<p>Cause and effect (C)</p> Signup and view all the answers

What makes Bayesian networks more difficult to work with?

<p>A large number of variables (B)</p> Signup and view all the answers

How do cognitive scientists propose that people produce thoughts and actions?

<p>Using mental processes that operate on mental representations (A)</p> Signup and view all the answers

In the context of visual perception, what cognitive task is most essential?

<p>Identifying objects and locations (D)</p> Signup and view all the answers

What is the relationship between the premise and conclusion in deductive reasoning?

<p>Premise guarantees the conclusion (C)</p> Signup and view all the answers

What is the main difference between inductive and deductive reasoning concerning evidence?

<p>Inductive starts from specific to general, deductive from general to specific (B)</p> Signup and view all the answers

What is the main goal of studying the mind in cognitive science?

<p>Explaining how our mind work and how our thinking takes place, and why it sometimes fails (B)</p> Signup and view all the answers

What is the overall term for using various types of thinking in Cognitive Science?

<p>Cognition (C)</p> Signup and view all the answers

Which way describe one characteristic of inductive reasoning?

<p>Inductive reasoning is a bottom-up reasoning (C)</p> Signup and view all the answers

Where does knowledge exist for most cognitive scientists?

<p>Mental representation (Human Brain) and Knowledge Representation (Artificial Intelligence) (B)</p> Signup and view all the answers

Which statement best describes the difference between deduction and induction?

<p>Deduction gives absolute proof, while induction is driven by observation. (C)</p> Signup and view all the answers

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Which statement best describes the difference between deduction and induction?

<p>Deduction gives absolute proof, while induction is driven by observation. (C)</p> Signup and view all the answers

What are knowledge representation and reasoning technologies used for?

<p>To represent and manipulate knowledge in computers. (C)</p> Signup and view all the answers

What is the purpose of rule-based systems?

<p>To encode expert knowledge in a domain. (A)</p> Signup and view all the answers

Why have Bayes nets emerged as an important technology?

<p>Because the real world is full of uncertainty. (C)</p> Signup and view all the answers

Flashcards

Cognitive Science

An investigatory discipline exploring intelligence and the human mind through various types of thinking.

Cognition

Using various types of thinking, such as decision-making, emotions, language, learning, perception, and problem-solving.

How minds work

Building rich models of the world and making strong generalizations from limited, ambiguous data.

Reasoning

The process of using existing knowledge to draw conclusions, make predictions, or construct explanations.

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Deductive Reasoning

Reasoning from general principles to specific cases (top-down).

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Inductive Reasoning

Reasoning from specific observations to general principles (bottom-up).

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Deduction

Starting with assumed true statements (premises) to determine what else must be true.

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Induction

Beginning with data to determine what general conclusion(s) can logically be derived.

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Tautologies

Statements contained within premises and virtually self-evident.

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Argument

A collection of statements (premises) intended to support or infer a claim (conclusion).

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CRUM

Thinking can best be understood via representational structures and computational procedures.

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Mental Representation

A hypothetical internal cognitive symbol that represents external reality.

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KRR

A field dedicated to representing information for computer systems to solve complex tasks

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Rule-Based Systems

Representing knowledge in 'if then' rules.

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MYCIN System

Reasons about conditions and diseases using rules, assigning likelihoods to diagnoses.

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Working Memory

A knowledge base with everything the system believes to be true at a given time.

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Taxonomy

A hierarchical structure used to classify things into categories.

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Bayesian Networks

A knowledge representation and reasoning model for situations where beliefs change as knowledge changes.

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Bayes nets

Represent assertions and causal connections of a system.

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Study Notes

  • Cognitive science explores intelligence and the human mind as an investigatory discipline.

Cognition

  • Cognition involves various types of thinking.
  • Decision-making is a type of thinking.
  • Emotions are a type of thinking.
  • Language is a type of thinking.
  • Learning is a type of thinking.
  • Perception is a type of thinking.
  • Problem-solving is a type of thinking.

Cognitive Science Disciplines

  • Cognitive science includes a wide range of approaches, methodologies and disciplines.
  • Artificial intelligence (AI) is included in cognitive science.
  • Anthropology is included in cognitive science.
  • Computer science is included in cognitive science.
  • Linguistics is included in cognitive science.
  • Neuroscience is included in cognitive science.
  • Philosophy is included in cognitive science.
  • Psychology is included in cognitive science.

How the Mind Works

  • Minds construct rich world models.
  • Minds make strong generalizations from sparse, noisy, ambiguous input data.
  • A question is how the mind extracts so much from so little, so quickly, flexibly, and with so little energy.
  • The mind recovers the surrounding world from a mere glance.
  • Humans learn generalizable concepts from a single instance.
  • Causal relationships are discovered from a single observation.
  • Seeing forces and recognizing other minds occurs from the motion of 2D shapes.
  • Humans can learn games, solve problems, and act in new environments in under a minute.
  • Understanding written words is a complex cognitive process.
  • Visual scene perception allows for identification of objects like people, books and glasses.
  • Concept learning goes beyond simple classification of objects.

Everyday Predictions

  • How much money will a movie make in total if has already made $60 million?
  • How long until somethings ready if it has baking in the oven for 34 minutes?
  • How long someone has left to live if 78 years old?
  • How long the poem is if a friend quotes from line 17?
  • How long will a US congressman serve if they have already served 11 years?
  • What is the total extent or duration ttotal of an event with and unknown extent or duration?

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