A New Theory of Emotions

By Meg Wilson, Director, Unison Mental Health

Emotions aren't reactions your brain has to the world — they're something your brain builds, in real time, out of physical sensation and context. Neuroscientist Lisa Feldman Barrett's theory of constructed emotion changes what "understanding your feelings" actually means.

In this article

• Emotions as Constructed, Not Triggered
• Core Affect: The Two Dials
• Why Culture Changes What You Feel
• Reading Your Own Body
• Getting More Precise

A client will sometimes say, "I don't know why, but today just feels wrong," and be genuinely stuck there — not being vague on purpose, just not having more resolution available yet. That's not a failure of self-awareness. According to psychologist and neuroscientist Lisa Feldman Barrett, it's actually close to how emotion works in the first place: your brain isn't a detector picking up a pre-existing feeling, it's constructing one on the spot, out of body signals and context.

Emotions as Constructed, Not Triggered

Here's the classic example: your heart starts racing. Before a job interview, that same sensation gets read as anxiety. At the start of a first date, the identical physical event gets read as excitement. The heartbeat doesn't change — the interpretation does. Barrett's argument is that the interpretation is the emotion, not a description tacked onto it afterwards.

The brain does this by combining three things at once: the raw sensory signal, memory of what's happened in situations like this before, and the current context. Walking down a dark street and hearing a noise behind you triggers the same process — fear, curiosity, or mild concern, depending on what your particular brain has learned to expect from noises, streets, and darkness.

Core Affect: The Two Dials

Underneath any specific emotion sits something more basic that Barrett calls core affect — the raw material every named feeling gets built from. It has two dimensions. One is valence: how pleasant or unpleasant something feels, from a good coffee at the pleasant end to an unexpected bill at the unpleasant end. The other is arousal: how activated you feel, from half-asleep in a quiet garden to fully wired dancing at a gig.

Most named emotions are really just a particular combination of the two. High arousal plus unpleasant can be anxiety before an interview or fury at an unfair decision — the dials alone don't tell you which; context does the rest of the work.

Why Culture Changes What You Feel

Because interpretation does so much of the work, the emotional concepts available to you shape what you're capable of feeling, not just naming. Japanese has amae — a sweet, safe dependence on someone else with no clean English equivalent. Tahitian has mā — an exhaustion that goes well past ordinary tiredness. German has schadenfreude, pleasure at someone else's misfortune, which English only borrows rather than owning outright. Someone who has the word available to them can register a state that someone without it may just experience as generic unease.

Reading Your Own Body

Interoception — noticing your own internal signals — is the raw data the whole process runs on. A tightness in the chest, a stomach flip, a change in breathing: the same sensation can mean anxiety before a flight or anticipation of seeing someone you've missed, depending on context. Barrett's practical implication is straightforward — identifying a feeling isn't always instant, and it helps to give the process a second before deciding what a sensation means.

Getting More Precise

This is where emotion granularity comes in: the precision with which someone can name what they're actually feeling. "I feel bad" and "I'm disappointed about the promotion" aren't the same event, even though they might describe the same afternoon. The more specific the label, the more the brain has to work with in deciding what to do next — vague labels tend to produce vague, unhelpful responses.

Building that precision isn't complicated, even if it takes practice: reading and watching stories that sit with complicated emotional states instead of resolving them quickly, talking to people from different backgrounds about how they'd name a feeling you're struggling to place, and — the least glamorous but most useful — actually pausing to ask what, specifically, is going on in your body before reaching for the nearest word.

None of this makes difficult feelings go away. What it does is turn you from someone a feeling happens to into someone actively involved in building it, which is most of what emotional intelligence actually is.

Primary Sources by Lisa Feldman Barrett

• Barrett, L. F. (2017). How Emotions Are Made: The Secret Life of the Brain. Houghton Mifflin Harcourt.

• Barrett, L. F. (2020). "Reconstructing the Past: A Century of Ideas About Emotion in Psychology." Emotion Review, 12(1), 35-46.

• Barrett, L. F. (2006). "Solving the Emotion Paradox: Categorisation and the Experience of Emotion." Personality and Social Psychology Review, 10(1), 20-46.

Supporting Research in Emotion Science

• Damasio, A. (1994). Descartes' Error: Emotion, Reason, and the Human Brain. Putnam Publishing.

• LeDoux, J. (2015). Anxious: Using the Brain to Understand and Treat Fear and Anxiety. Viking Press.

• Ekman, P. (1992). "An Argument for Basic Emotions." Cognition and Emotion, 6(3-4), 169-200.

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