1. Macrolinguistics
Linguistics is not the only field concerned with language.
Other disciplines such as psychology, sociology, ethnography, the science of law and artificial intelligence etc. are also preoccupied with language.

2. Although Ferdinand de Saussure's goal was to establish the autonomy of linguistics, giving it a well-defined subject of study and freeing it from reliance on other disciplines, with its coming of age linguistics is developing interactive links with other sciences.

3. But since language has both individual and social aspects, it is naturally of interest to psychologists and sociologists among others.
Therefore it is not surprising that we have some branches of macrolinguistics that show an interdisciplinary nature from their very names:

4. 1 Psycholinguistics
Psycholinguistics investigates the interrelation of language and mind, for example, in processing and producing utterances and in language acquisition.
It also studies language development in the child, such as the theories of language acquisition, biological foundations of language, and a profound aspect—the relationship between language and cognition.

5. 2 Sociolinguistics
Sociolinguistics is the study of the characteristics of language varieties, the characteristics of their functions, and the characteristics of their speakers as these three constantly interact and change within a speech community.
An umbrella term which covers a variety of different interests in language and society, including the social functions of language and the social characteristics of its users.

6. 3 Anthropological linguistics
Anthropological linguistics (Linguistic Anthropology) studies the relationship between language and culture. It usually refers to work on languages that have no written records. In the United States a close relationship between anthropology and linguistics developed as a result of research by anthropologists into the American Indian cultures and languages. Early students in this field discovered what they felt to be significant relationships between the languages, thought, and cultures of the Indian groups. The issue of the relatedness of language and culture is still a controversial one.

7. Ethnolinguistics, that part of anthropological linguistics concerned with the study of the interrelation between a language and the cultural behaviour of those who speak it.

8. 4 Computational linguistics
Computational linguistics centers around the use of computers to process or produce human language (also known as “natural language”, to distinguish it from computer languages).
To this field, linguistics contributes an understanding of the special properties of language data, and provides theories and descriptions of language structure and use.

9. Some current application areas include translating from one language to another (Machine Translation), storing and finding relevant documents in large collections of text (Corpus Linguistics and Information Retrieval), and carrying out various forms of computer mediated communication.

10. What Is Stylistics?
Stylistics is the science which explores how readers interact with the language of (mainly literary) texts in order to explain how we understand, and are affected by texts when we read them.

11. Stylistics is the scientific study of style, which can be viewed in several ways.
More technically, stylistics is the study of the linguistic features of a literary text _ phonological, lexical, syntactic _which directly affects the meaning of an utterance.
The variety in stylistics is due to the main influences of linguistics & literary

12. Neurolinguistics
NEUROLINGUISTICS is the study of the neural mechanisms in the human brain that control the comprehension, production, and acquisition of language. 12

13. A MULTIDISCIPLINARY field
neuroscience
computer science
psychology
linguistics
NEUROLINGUISTICS