Linguists
Homo loquens
(540 words)
Homo sapiens describes a species capable of thought, while homo loquens is used to describe a species capable of speech. Humans are unique in their ability to communicate through complex speech and language. Animal calls represent a much more limited form of vocal communication. Animals are also capable of making facial expressions, using hand movements, and communicating through touch, just as humans do. However, what distinguishes us from other animals is our use of language. The basis of chimpanzee society is grooming, or cleaning one another, whereas human society is largely based on speech and language. The development of vocal communication in human beings has been a long process, dating as far back as five to eight million years ago.
Language is primarily vocal, although it can also be written. Even today, many people remain illiterate and therefore rely primarily on spoken language. Speech is often closely connected to other forms of non-verbal behaviour. While speaking, body language can play an important role in communication. Non-verbal communication, including gestures, has a language of its own. Gestures that are acceptable in some cultures may be offensive or inappropriate in others.
Tone of voice is also an important aspect of communication. Most of us can relate to the familiar example of a mother calling her child. When the mother first calls the child, her voice may be calm and normal. However, as the child continues to play and ignores her, the mother’s tone of voice may change, often becoming more forceful and with greater emphasis placed on each syllable of the child’s name.
Language has two different layers. Smaller units, such as letters and sounds, may have little or no meaning on their own. However, these units can be combined to form meaningful words. For example, the letters s, t, o, and p can be combined to form the word “stop.” This system of combining smaller, meaningless units to create meaningful words is a distinctive feature of human language.
Another feature of the English language is stress. By shifting the stress placed on a word, its pronunciation and meaning can change. For example, “wind” can be pronounced differently depending on its meaning.
Another feature of language is redundancy. One advantage of redundancy is that it makes speech easier to understand, even when some sounds or words are unclear or misheard.
Language is not determined entirely by our genes. A person who grows up speaking Spanish will generally learn Spanish as a child because they are exposed to it in their environment. For example, if a baby born in Peru were adopted and moved to Thailand, the child would most likely grow up speaking Thai rather than Spanish. According to Noam Chomsky, often referred to as the “Godfather of Linguistics,” some of our language abilities may have a genetic basis.
Language is thought to have emerged in modern humans approximately 100,000 years ago and subsequently spread throughout the world.
Linguists primarily focus on the structure and development of existing languages, while paying less attention to the precise origins of language itself. Nevertheless, the study of linguistic evolution provides valuable insight into human development. As one perspective suggests, studying linguistic evolution is “a good way to appreciate what has made our species so remarkable.”