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Cog (project)

robot from the Humanoid Robotics Group of the Massachusetts Institute of Technology

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Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionJul 26, 2026
Entity authorityQ1054157
Source-derived summary

Cog was a project at the Humanoid Robotics Group of the Massachusetts Institute of Technology. It was based on the hypothesis that human-level intelligence requires gaining experience from interacting with humans, as human infants do. This, in turn, required many interactions with humans over a long period. Because Cog's behavior responded to what humans would consider appropriate and socially salient environmental stimuli, the robot was expected to act more human. This behavior also provided the robot with a better context for deciphering and imitating human behavior. This was intended to allow the robot to learn socially, as humans do.

As of 2003, all development of the project had ceased.

Today, Cog is retired to the Massachusetts Institute of Technology museum.

Principal investigators

Rodney Brooks

Lynn Andrea Stein

Purpose

To study theories of cognitive science and artificial intelligence (AI).

Goals

To design and fabricate a humanoid face for each robot that fosters suitable social contact between robots and humans.

Editorial summary

This brief starts where responsible research should: with the source description of “Cog (project)” as robot from the Humanoid Robotics Group of the Massachusetts Institute of Technology. Everything that follows is an evidence route, not borrowed authority.

Editorial reviewUseful for establishing the present vocabulary of the subject while preserving a route back to the evidence on which that vocabulary rests. The current lead gives the account dated anchors—2003—that can be checked directly. The linked authority record independently contributes the date 1993. The account is most persuasive where project, robot and Humanoid can be independently traced.
Editorial analysis

Why this record matters

The subject matters to the science & nature register because the source frames it as robot from the Humanoid Robotics Group of the Massachusetts Institute of Technology. Its deeper value depends on whether names, dates, institutions and citations support that framing.

Evidence profile

Stable identifiers, scientific names and standards terminology offer the best bridge between this overview and specialist evidence. The source revision retrieved here is dated Jul 26, 2026. The linked authority identifier is Q1054157. 1 of 3 selected statements include explicit references; 2 carry qualifiers and 1 use preferred rank. The first chronological checks are 2003.

Critical limits

Current terminology should not be projected backward without checking the classification used when the underlying evidence was created. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.

How to read it

Check terminology, classification and the date of the cited evidence. Scientific names and technical consensus can change while older records retain historical value.

Best used for
  • Current terminology
  • Classification context
  • Finding cited technical literature
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Primary datasets, specimen catalogues, standards bodies and the most recent peer-reviewed literature.

Three-step research path

  1. Establish the record: confirm the title “Cog (project)”, its source revision and the description used here.
  2. Expand the search: follow Cog (project) primary sources, Cog (project) archive and project research across catalogues and specialist indexes.
  3. Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.

Questions for further research

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  2. Is the terminology current, historical or disputed?
  3. Which observation, specimen, dataset or publication supports the account?
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Source & attribution

This entry incorporates text from Cog (project)” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.