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http://cgs500.wordpress.com /. Cognitive Approach to Mind . Different Conceptual Approaches Share assumption: lawful regularities between inputs and outputs (S – R). Different Conceptual Approaches Share assumption: lawful regularities between inputs and outputs (S – R)

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Cognitive concepts
Cognitive Concepts

  • Representations


Cognitive concepts1
Cognitive Concepts

  • Representations

  • Mental Level of Explanation


Cognitive concepts2
Cognitive Concepts

  • Representations

  • Mental Level of Explanation

  • Binary Intelligence


L – L = A

L – R = B

R – L = B

R – R = C


L – L = A 1 + 1 = 2

L – R = B 1 + 2 = 3

R – L = B 2 + 1 = 3

R – R = C 2 + 2 = 4



Methodology
Methodology

  • Mental Inference (Deduction)

    • Statement of facts

    • How can facts be as they are?

    • Attribute as much as possible to observables

      Clever Hans

    • Infer unobservable process:

      • List of competing hypotheses

      • Experimental hypothesis testing

      • Achieve tentative satisfaction


Sternberg s memory search
Sternberg’s Memory Search

  • Task: random list of single digit numbers

  • Lists visually presented

  • Delay

  • Target: a digit that was or was not on list

  • DV: Reaction Time



7


Explanations
Explanations

  • Minds Eye

    • Examine entire list at once

  • Self-Terminating Serial Search

    • Scan memory of digits serially until

      • Target found

      • Or end of list

  • Exhaustive Serially Search

    • Scan entire list


Predictions
Predictions

ME ST Ex

  • List Length

  • Target Location

  • Target + or -


Predictions1
Predictions

MESTEx

  • List Length no yes/no yes

  • Target Location no yes no

  • Target + or - no yes no


Which hypothesis is correct
Which hypothesis is Correct?

  • Exhaustive Serial Search




No Gold

No Gold

Gold in 2



2 9 3 1 8 4 3 6 5 7

2 3 4 5

9 18 36 72




1.) Candle Problem beer?

2.) Tumor problem


You have two buckets; one holds 5 gallons the other 7 gallons. You need to measure out exactly 4 gallons.


Tower of hanoi
Tower of Hanoi gallons. You need to measure out exactly 4 gallons.


Tower of hanoi1
Tower of Hanoi gallons. You need to measure out exactly 4 gallons.

  • Three pegs

  • Three Discs: Large medium: Small

  • Start with all three discuss on peg 1 in order from top: small, medium, large

  • Move all discs to peg 3, one at a time:

    • Never put larger disc on top of smaller disc

    • What are the fewest moves possible?


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