The Structure of Language: Key Concepts in Cognition and Psychology

Topic: The Structure of Language

Language and Communication

Language is a uniquely human skill involving a structured system of symbols and rules used to communicate complex ideas and information. Communication, more broadly, is the process of exchanging information or signals between organisms.

• Communication: The process of exchanging information or signals between organisms. Examples include animal signals, gestures, and vocalizations.

• Language: A structured system of symbols and rules that allows humans to generate an infinite number of novel utterances, refer to abstract things, and use words as symbols that influence neural organization.

• Key Distinction: All language is communication, but not all communication is language.

Example: Bees perform a "waggle dance" to direct others to food (communication, not language). Humans use language to discuss abstract concepts and complex ideas.

Language vs. Communication: Venn Diagram

The relationship between language and communication can be visualized as a Venn diagram, where language is a subset of communication.

Communication Only	Both	Language Only
Bees perform a waggle dance to direct others to food.	Parent and teenager discuss pros and cons of college majors.	Language can describe abstract ideas.
Vervet monkeys use different calls to warn colony members of specific predators.		Language has infinite capacity for novel combinations.

Units of Language

Building Blocks of Language

Language is made up of several essential building blocks, organized hierarchically from smallest to largest:

• Phoneme: The smallest unit of sound in a language. Phonemes do not carry meaning by themselves.

• Morpheme: The smallest unit of language that carries meaning. Morphemes can be words or parts of words (such as prefixes or suffixes).

• Word: A single unit of meaning, composed of one or more morphemes.

• Phrase: A group of words that function as a unit within a sentence.

• Sentence: A complete thought, following rules of grammar.

Example: In the sentence "The hungry dog ate the muffin":

• Sentence: "The hungry dog ate the muffin."

• Phrases: "The hungry dog", "ate the muffin"

• Words: "the", "hungry", "dog", "ate", "the", "muffin"

• Morphemes: "hungry", "dog", "ate", "muffin" (each word is a morpheme; some words may contain more than one morpheme, e.g., "dogs" = "dog" + "s")

• Phonemes: Individual sounds in each word (e.g., /d/, /o/, /g/ in "dog")

Syntax and Grammar

Sentences follow syntax rules, which indicate how words can be combined and in what order. Syntax is essential for conveying meaning and clarity in language.

• Syntax: The set of rules that governs the structure of sentences.

• Grammar: The overall system of rules for a language, including syntax, morphology, phonology, and semantics.

Example: English syntax dictates subject–verb–object order: "The dog fetched the ball."

Identifying Morphemes

Examples

For the words below, determine what morphemes are in the word:

• Table: "table" (one morpheme)

• Books: "book" + "s" (two morphemes: root + plural suffix)

• Ducks: "duck" + "s" (two morphemes: root + plural suffix)

Common Misconceptions

Morphemes vs. Phonemes

Morphemes are the smallest units of language with meaning, while phonemes are the smallest units of sound. It is incorrect to say morphemes are the smallest units of language overall; phonemes are smaller but do not carry meaning.

• Correct Statement: Morphemes are the smallest units of language with meaning.

• Incorrect Statement: Morphemes are the smallest units of language.

Types of Language Rules

Language is governed by several types of rules:

• Phonetic Rules: Govern the sounds of language.

• Syntax Rules: Govern the structure and order of words in sentences.

• Morpheme Rules: Govern the formation and combination of morphemes.

• Implicit Rules: Unspoken rules learned through exposure to language.

Example: The statement "They are a student clever" violates syntax rules because the word order does not conform to standard English sentence structure.

Summary Table: Units of Language

Unit	Description	Example
Phoneme	Smallest unit of sound	/b/ in "bat"
Morpheme	Smallest unit of meaning	"book"; "-s" in "books"
Word	Single unit of meaning	"dog"
Phrase	Group of words	"the hungry dog"
Sentence	Complete thought	"The hungry dog ate the muffin."

Additional info:

• These notes cover material relevant to Ch. 7: Cognition: Thinking, Intelligence, and Language, focusing on the structure and rules of language as studied in psychology.