Louise Banks

Linguist Louise Banks: Crossing the Frontier of Communication

Louise Banks is the central figure driving the narrative of Arrival, and her specialist field of linguistics becomes a tool testing the ontological limits of humanity itself, going far beyond simple communication skills. Through contact with the alien 'Heptapods,' she comes to realise the fundamental limits of human language and modes of thought.

1. The Relationship Between Language and Thought: Reinterpreting the Sapir-Whorf Hypothesis

Louise's journey begins with an inquiry into linguistic theory. She emphasises the importance of language through the proposition: 'Language is the foundation of civilization. It is the glue that holds a people together. It is the first weapon drawn in a conflict.' In this process she mentions the 'Sapir-Whorf Hypothesis,' presenting the theory that language determines thought.

But the film maintains a critical perspective on this hypothesis. As implied in various digests, language does not so much determine thought as it influences thinking in ways that are negligible — or far more complex than we imagine. Louise navigates the boundaries of this hypothesis through alien language learning, personally experiencing that linguistic acquisition is simultaneously the acquisition of a new mode of thought.

2. Perceiving Non-linear Time: The Heptapod Mode of Thought

What Louise learns through communicating with the aliens is not simply new vocabulary. It is a fundamental redefinition of the flow of time. Humans live trapped in the linear concept of time — past-present-future — but the Heptapods exist in a non-linear mode of thought in which past, present, and future coexist simultaneously.

This transformation in mode of thought becomes intertwined with Louise's personal life, adding dramatic depth. As scenes of recollection about her daughter multiply, she comes to view the flow of time from the perspective of 'choice.' As noted in one comparison of novel and film, the film portrays Louise as though she 'chooses' to spend time together — without 'changing' the future — even while knowing it, leaving room between free will and fatalism.

3. The Completion of Personal Tragedy and Synaesthetic Communication

Louise's personal tragedy — her daughter's death — becomes the psychological motivation that enables her to engage actively with the aliens. This sense of loss causes her to focus more intensely on 'the present' moment, and as a result enables her to assimilate synaesthetically to the alien mode of thought that transcends the boundaries of time.

In the process of communicating with the aliens, Louise goes beyond merely playing the role of translator to become a 'mediator' bridging the linguistic and philosophical differences between alien civilisation and humanity, as the representative of the human race. Every act of teaching the aliens her own name and human script is a symbol of the process in which humanity marshals its intellectual resources for survival.

4. Louise's Role: Transmitter and Interpreter of Knowledge

Louise performs the role of 'linguistic bridge' between alien civilisation and human civilisation. Her knowledge is not limited to deciphering alien script alone. She leads the interpretive debate over whether the aliens' message 'Offer weapon.' means 'weapon' or 'new technology' or 'tool' — the central axis keeping a rational, academic approach intact in a situation where humanity has fallen into panic. Her arguments become the evidence for rationally persuading the military and the public who are gripped by emotional fear.