fixed action pattern: meaning, definition, pronunciation and examples

Low (Specialist)
UK/ˌfɪkst ˈækʃn ˌpætən/US/ˌfɪkst ˈækʃən ˌpætərn/

Technical/Scientific

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Quick answer

What does “fixed action pattern” mean?

A sequence of instinctive behaviors, triggered by a specific stimulus, that is performed in a stereotyped, unvarying manner by all members of a species.

Audio

Pronunciation

Definition

Meaning and Definition

A sequence of instinctive behaviors, triggered by a specific stimulus, that is performed in a stereotyped, unvarying manner by all members of a species.

In broader terms, it can refer to any rigid, predictable pattern of behavior in animals or, metaphorically, in humans or systems.

Dialectal Variation

British vs American Usage

Differences

No significant orthographic or lexical differences. Usage is identical in scientific contexts.

Connotations

Identical technical connotations.

Frequency

Extremely rare outside academic biology, psychology, or ethology texts in both dialects.

Grammar

How to Use “fixed action pattern” in a Sentence

[species] exhibits a fixed action pattern of [behavior]The [stimulus] acts as a releaser for the fixed action pattern.

Vocabulary

Collocations

strong
innatespecies-specificreleaserstimulusethologyinstinctivestereotyped
medium
triggerexhibitobservestudyclassiccomplex
weak
animalbehaviorbiologicalsequenceresponse

Examples

Examples of “fixed action pattern” in a Sentence

verb

British English

  • The graylag goose will reliably *fixed action pattern* the egg-rolling behaviour.
  • Researchers seek to *trigger* the fixed action pattern.

American English

  • The stickleback fish will *execute* the fixed action pattern of attacking red objects.
  • Scientists *elicit* the fixed action pattern under lab conditions.

adverb

British English

  • The animal behaved *in a fixed-action-pattern manner*.
  • It proceeded *fixedly and patternedly* (Note: highly unnatural).

American English

  • The response unfolded *according to a fixed action pattern*.
  • It acted *stereotypically*, like a fixed action pattern.

adjective

British English

  • The *fixed-action-pattern* response was recorded.
  • They studied its *fixed-action-pattern* nature.

American English

  • The *fixed action pattern* behavior is innate.
  • A *fixed-action-pattern* sequence was observed.

Usage

Meaning in Context

Business

Rarely used; might appear metaphorically in management jargon to criticize rigid processes: "Our approval system has become a fixed action pattern—no one questions it anymore."

Academic

Primary context. Used in biology, psychology, ethology, and neuroscience to describe innate animal behaviors.

Everyday

Virtually never used in casual conversation.

Technical

The standard, precise term in ethology for an invariant, instinctive behavioral sequence.

Vocabulary

Synonyms of “fixed action pattern”

Strong

FAP (acronym)modal action pattern

Neutral

instinctive behavior sequencestereotyped response

Weak

automatic behaviorinnate routine

Vocabulary

Antonyms of “fixed action pattern”

learned behaviorflexible responsevoluntary actionimprovisation

Watch out

Common Mistakes When Using “fixed action pattern”

  • Using it as a general synonym for 'habit' (habits are learned, not innate).
  • Pronouncing 'pattern' with a /t/ instead of a glottal stop or flap in connected speech (/ˈpæʔn/, /ˈpæɾərn/).
  • Incorrectly capitalizing as a proper noun.

FAQ

Frequently Asked Questions

No. Reflexes are simpler, faster, and involve specific neural pathways (e.g., knee-jerk). Fixed action patterns are more complex sequences of behavior (e.g., nest-building, mating dances) that are still innate and stereotyped.

In the strict biological sense, most complex human behaviors are learned. However, some simple infant reflexes (e.g., rooting, sucking) are analogous, and the term is sometimes used metaphorically to describe rigid, automatic human habits.

'Modal action pattern' (MAP) is a modern term acknowledging that these instinctive behaviors often show some minor variability, whereas 'fixed action pattern' (FAP) implies complete rigidity. MAP is often preferred in contemporary ethology.

The concept was heavily developed by the founders of ethology, particularly Konrad Lorenz and Nikolaas Tinbergen, in the mid-20th century.

A sequence of instinctive behaviors, triggered by a specific stimulus, that is performed in a stereotyped, unvarying manner by all members of a species.

Fixed action pattern is usually technical/scientific in register.

Fixed action pattern: in British English it is pronounced /ˌfɪkst ˈækʃn ˌpætən/, and in American English it is pronounced /ˌfɪkst ˈækʃən ˌpætərn/. Tap the audio buttons above to hear it.

Phrases

Idioms & Phrases

  • None

Learning

Memory Aids

Mnemonic

Imagine a robot (FIXED) programmed to perform a specific dance (ACTION) every single time in exactly the same way (PATTERN).

Conceptual Metaphor

BEHAVIOR IS A PRE-RECORDED TAPE / INSTINCT IS A BUILT-IN PROGRAM

Practice

Quiz

Fill in the gap
A is an instinctive behavioral sequence that is invariant within a species and triggered by a specific stimulus.
Multiple Choice

Which of the following is MOST characteristic of a fixed action pattern?

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