cep 909 - welcome back september 8, 2005. matthew j. koehler september 8, 2005cep 909 - cognition...

CEP 909 - welcome backCEP 909 - welcome backSeptember 8, 2005September 8, 2005

September 8, 2005September 8, 2005 CEP 909 - Cognition and TechnologyCEP 909 - Cognition and Technology Matthew J. KoehlerMatthew J. Koehler

Questions?Questions?

Any Acrobat woes?Any Acrobat woes?

Any Yahoo woes?Any Yahoo woes?

Anything not clear about the course?Anything not clear about the course?


Theory of MindTheory of Mind

Discussion time … Discussion time …

Everyone should be able to talk about Everyone should be able to talk about someone else’s theory of mind they wrote someone else’s theory of mind they wrote about and what was interesting about it.about and what was interesting about it.


Cognitive Psychology - Where Cognitive Psychology - Where did it come from?did it come from?

What the book told you - Wundt, Ebbinghaus, What the book told you - Wundt, Ebbinghaus, Watson, Skinner, Chomskey.Watson, Skinner, Chomskey.

What Anderson’s Book sort of tells you (but What Anderson’s Book sort of tells you (but Ashcraft’s book doesn’t)Ashcraft’s book doesn’t)

People from Computer Science (Newell, Simon, People from Computer Science (Newell, Simon, Winnegrad, Minsky)Winnegrad, Minsky)

started cross fertilizing withstarted cross fertilizing with

People from psychology (Baddley, Miller, etc.)People from psychology (Baddley, Miller, etc.)


Anderson …Anderson …

Too much emphasis on neuroscience for Too much emphasis on neuroscience for the purposes of this class, I wouldn’t pay the purposes of this class, I wouldn’t pay too much attention to the details.too much attention to the details.


Key Points (Ashcraft) - Key Points (Ashcraft) - Processing ≠ AwareProcessing ≠ Aware

Disconnect between processing and Disconnect between processing and conscious awarenessconscious awareness

Highly learned processes are “automatic” and Highly learned processes are “automatic” and don’t require thinkingdon’t require thinking

Many processes happen too quickly to noticeMany processes happen too quickly to notice


Key Points - MemoryKey Points - Memory

As InformationAs Information

As a processAs a process

As a locationAs a location


Key Points - Cognitive Psychology / Key Points - Cognitive Psychology / Information Processing AssumesInformation Processing Assumes

Mental Processes ExistMental Processes Exist

Mental Representations ExistMental Representations Exist

Sensory systems are the interface between the Sensory systems are the interface between the world and the representations.world and the representations.

Humans are actively representing and Humans are actively representing and processing informationprocessing information

This is enough to account for most (if not all of This is enough to account for most (if not all of “cognition”).“cognition”).


How does a computer “think”How does a computer “think”

It has representations of dataIt has representations of data

Formats for representing text, documents, video, Formats for representing text, documents, video, pictures in terms of lists of 0s and 1s.pictures in terms of lists of 0s and 1s.

It has processes that operate on these It has processes that operate on these representations (I.e. programs)representations (I.e. programs)

It has an “interface” to the outside world (Input-It has an “interface” to the outside world (Input-output devices).output devices).

It actively represents and processes informationIt actively represents and processes information


So how could that possibly be So how could that possibly be enough?enough?


TermitesTermites

Termites collect stuff from the surface to build a mound.

How do they accomplish this?


Whole class activityWhole class activity

Play termitesPlay termites


Discuss TermitesDiscuss Termites


Experiment - Time allowingExperiment - Time allowing

I’m going to show you 5 words. Then I’m I’m going to show you 5 words. Then I’m going to remove the slide. Your job is to going to remove the slide. Your job is to remember them. remember them.

Shortly afterwords, I’m going to ask you to Shortly afterwords, I’m going to ask you to write down the words I showed you.write down the words I showed you.


WitWit

SumSum

HarmHarm

BayBay

TopTop


Write the 5 words downWrite the 5 words down

Or as many as you can remember…Or as many as you can remember…

Now we are going to do it again w/ Now we are going to do it again w/ different words …different words …


PaperPaper

DoornobDoornob

OrangeOrange

PlasticPlastic

OrderOrder


OkayOkay

Write them downWrite them down

Lets do it again …Lets do it again …


UniversityUniversity

OpportunityOpportunity

AluminumAluminum

ConstitutionalConstitutional

AuditoriumAuditorium


OkayOkay

Write down the 5 words …Write down the 5 words …

Now lets collect some resultsNow lets collect some results


Please explain the results …Please explain the results …


Next WeekNext Week

ReadingsReadings Visual Representations - Anderson + PinkerVisual Representations - Anderson + Pinker

Homework : Your chance to play cognitive Homework : Your chance to play cognitive experimentalistexperimentalist

Keep working on getting your work displayedKeep working on getting your work displayed

Figure out who you want to work with (working Figure out who you want to work with (working groups for semester long projects)groups for semester long projects)

cep 909 - welcome back september 8, 2005. matthew j. koehler september 8, 2005cep 909 - cognition...

Documents

location slide

processes information

technology anderson

technology questions

technology termites

technology experiment

technology key points

processing information