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Head injury criterion

The head injury criterion (HIC) is a measure of the likelihood of head injury arising from an impact.

Version
v1 · 2026-09-28 · History
Domain-specific #
9810
Domain group
Applied Sciences & Engineering
Origin domain
Engineering & Design (beyond software)
Subdomains
Automotive Safety Engineering, Injury Biomechanics → Engineering & Design (beyond software)

Core Idea

Head injury criterion is treated here as the recurring formal models and representations identity summarized by this source-grounded definition: The head injury criterion (HIC) is a measure of the likelihood of head injury arising from an impact. The head injury criterion (HIC) is a measure of the likelihood of head injury arising from an impact. The HIC can be used to assess safety related to vehicles, personal protective gear, and sport equipment. Normally the variable is derived from the measurements of an accelerometer mounted at the center of mass of a crash test dummy’s head.

Scope of Application

  • Automobile safety. HIC is used to determine the U.S.

  • Automobile safety. Some sample data is as follows, for comparative purposes.

  • Documented setting. The HIC can be used to assess safety related to vehicles, personal protective gear, and sport equipment.

  • Automobile safety. National Highway Traffic Safety Administration (NHTSA) star rating for automobile safety and to determine ratings given by the Insurance Institute for Highway Safety.

  • Automobile safety. According to the Insurance Institute for Highway Safety, head injury risk is evaluated mainly on the basis of head injury criterion.

Clarity

A clear use of Head injury criterion names the carrier, the operative relation, and the conditions under which the source treats the identity as present. The minimal definition is The head injury criterion (HIC) is a measure of the likelihood of head injury arising from an impact.

Manages Complexity

Head injury criterion compresses multiple formal models and representations details into a stable diagnostic relation. The source shows both the central mechanism—according to the Insurance Institute for Highway Safety, head injury risk is evaluated mainly on the basis of head injury criterion.—and the practical consequence—data for specific vehicles can be found on various automotive review websites.

Abstract Reasoning

  1. Type the carrier. Identify the formal models and representations entities to which the claim applies.
  2. State the relation. Use the source-grounded identity: The head injury criterion (HIC) is a measure of the likelihood of head injury arising from an impact.
  3. Check operation and conditions. A value of 700 is the maximum allowed under the provisions of the U.S. advanced airbag regulation (NHTSA, 2000) and is the maximum score for an "acceptable" IIHS rating for a particular vehicle.
  4. Demand recognition evidence.

Knowledge Transfer

Within the home domain. Knowledge about Head injury criterion transfers literally when a new case preserves the same carrier type, relation, and recognition test. HIC is used to determine the U.S. Some sample data is as follows, for comparative purposes. Beyond the home domain. Transfer the broader Measurement relation when the formal models and representations-specific differentia cannot be filled. Retain the name Head injury criterion only when the same carrier, operation, and rejection conditions are present literally rather than metaphorically.

Relationships to Other Abstractions

Local relationship map for Head injury criterionParents appear above the current abstraction, mutual partners to the right, and children below. Node labels state whether each abstraction is prime or domain-specific; colors identify relation types.Head injury criterionDOMAINPrime abstraction: Measurement — is a kind ofMeasurementPRIME

Current abstraction Head injury criterion Domain-specific

Parents (1) — more general patterns this builds on

  • Head injury criterion is a kind of Measurement Prime

    Head injury criterion is a strict kind of Measurement: The head injury criterion (HIC) is a measure of the likelihood of head injury arising from an impact.

Hierarchy path (1) — routes to 1 parentless root

Neighborhood in Abstraction Space

Head injury criterion sits in a sparse region of the domain-specific corpus (90th percentile for distinctiveness): few abstractions share its structure, so a faithful description tends to retrieve it precisely.

Family — Unclustered & Miscellaneous (2551 abstractions)

Nearest neighbors

Computed from structural-signature embeddings · 2026-10-08