The Expression of the Emotions in Man and Animals

Summary

Darwin's Expression of the Emotions is one of the founding works of comparative psychology. It asks how humans and animals express fear, anger, joy, grief, shame, disgust, attention, and other states through face, posture, voice, tears, hair, muscles, and involuntary action. Darwin proposes principles of serviceable associated habits, antithesis, and direct nervous discharge, then tests them with children, animals, photographs, questionnaires, and cross-cultural reports. The book matters for psychiatry because it treats emotion as embodied, observable, evolved, and continuous across species. It is not a diagnostic manual, but it helped create the terrain on which affect, expression, and bodily signs could be studied scientifically. Darwin also writes in a period when asylum photographs, neurology, and theories of hysteria were making expression a clinical object. The work remains fresh because it watches ordinary affect with uncommon patience, while also reminding readers that observation is shaped by Victorian assumptions about race, gender, and universality. The chapters on grief, anxiety, low spirits, joy, devotion, hatred, anger, disdain, surprise, fear, shame, and blushing show Darwin moving from muscular detail to mental state without treating either as separable. Infants, dogs, monkeys, patients, actors, and travelers' reports all become evidence in the same inquiry. The book's lasting importance lies in this comparative method. It makes a trembling lip, raised hair, tears, laughter, or a blush into a natural-historical sign, while leaving readers to ask how much expression is inherited, learned, conventional, or interpreted by the observer. The blushing chapters show Darwin's range especially well. A bodily sign is tied to attention, self-consciousness, exposure before others, and inherited responsiveness, so an apparently delicate social emotion becomes material for comparative physiology. Darwin's questionnaires to observers abroad are equally important. They let him ask whether expressions of grief, fear, anger, surprise, and shame appear across different peoples, even as the answers remain filtered through imperial and scientific networks.

Plot or Argument

• The Expression of the Emotions in : The opening chapters set out

  The opening chapters set out Darwin's three principles for explaining emotional expression.

• The Expression of the Emotions in : Chapters on suffering weeping

  Chapters on suffering, weeping, anxiety, grief, and despair connect bodily signs with nervous discharge and habit.

• The Expression of the Emotions in : Chapters on joy love

  Chapters on joy, love, devotion, anger, hatred, contempt, disgust, surprise, and fear examine facial and bodily patterns.

• The Expression of the Emotions in : Animal comparisons show continuity

  Animal comparisons show continuity between human expression and nonhuman behavior.

• The Expression of the Emotions in : The conclusion argues for

  The conclusion argues for inherited expression and the evolutionary study of mind and emotion.

Lessons

• The Expression of the Emotions in teaches historical caution

  The Expression of the Emotions in Man and Animals rewards readers who keep its categories in their own century before translating them into ours. It can sharpen modern judgment precisely because its insights and errors are both visible.

  • Which term in The Expression of the Emotions in Man and Animals most resists a modern equivalent?
  • Where does historical distance make the work more useful rather than less useful?

• The Expression of the Emotions in links evidence and authority

  The work shows how observation becomes authority through cases, examples, institutional setting, or aphoristic force. It asks readers to notice who gets to define suffering and what counts as proof.

  • What kind of evidence is most persuasive in this work?
  • Where does professional or authorial authority clarify the subject, and where does it distort it?

• The Expression of the Emotions in complicates mind and body

  Whether medical, philosophical, or scientific, the work refuses a simple split between inner life and bodily condition. Its best passages make symptoms, emotions, habits, and values part of one historical field.

  • How does the work connect bodily signs with inner experience?
  • What would be lost if the work were read only as medicine or only as literature?

• The Expression of the Emotions in warns against easy progress stories

  The text may mark an advance, but it also carries assumptions later readers have reason to question. It is strongest when read as a record of struggle rather than as a straight road to the present.

  • Which part of the work feels most forward-looking?
  • Which part most clearly shows the limits of its age?

Context

Published in 1872, Expression followed The Descent of Man and extended Darwin's evolutionary account into emotion and behavior.

Composition

Darwin used photographs, observers in imperial networks, family observation, and animal examples, making the book methodologically innovative and historically charged.

Reception

It influenced psychology, affect theory, anthropology, and later debates about universal expressions and embodied emotion.

Comparisons

• the-descent-of-man

  The Expression of the Emotions in Man and Animals pairs with this work because Darwin extends evolutionary thinking to human mind, morals, sex, and heredity.

• the-principles-of-psychology

  The Expression of the Emotions in Man and Animals pairs with this work because William James offers a philosophical psychology of mind, habit, attention, and experience.

• lectures-on-the-diseases-of-the-nervous-system

  The Expression of the Emotions in Man and Animals pairs with this work because Charcot supplies the neurological clinic behind later hysteria and dynamic psychiatry.

• the-varieties-of-religious-experience

  The Expression of the Emotions in Man and Animals pairs with this work because James studies altered states, conversion, melancholy, and religious experience with psychological tact.

Quotes

For Students

A reading companion for classical Christian high school students. See the student guide.

Reading Guide

Watch for

• The Introduction's quarrel with Sir Charles Bell, who held that certain facial muscles were created specially for expression, and Darwin's use of Duchenne's photographs of faces moved by galvanic current.
• The drawings in Chapter II of a dog approaching in a hostile frame of mind and the same dog fawning on its master, Darwin's chief illustration of the principle of antithesis.
• The printed queries Darwin sent abroad in 1867 to missionaries and others, listed in the Introduction, and how often he weighs the reliability of the thirty-six answers he received.
• The grief-muscles of Chapter VII, which draw the inner ends of the eyebrows obliquely upward, and Darwin's report that many people cannot move them at will.
• Chapter XIII's claim that blushing is the most peculiar and most human of all expressions, and Darwin's argument that its root is self-attention, thinking of how we appear to others.

Key terms and names

Serviceable associated habits

Darwin's first principle, from Chapter I: movements that once served a purpose, like baring teeth to bite, become linked by habit to a state of mind and recur even when they are no longer useful.

Antithesis

Darwin's second principle, from Chapter II: when a contrary state of mind arises, the body tends to perform movements directly opposite to the serviceable ones, as the affectionate dog lowers and wags what the hostile dog stiffens and raises.

Direct action of the nervous system

Darwin's third principle, from Chapter III: some expressions, such as trembling or the turning of hair grey from grief, come from nerve force overflowing independently of will or habit.

Grief-muscles

Darwin's short name in Chapter VII for the facial muscles that raise the inner ends of the eyebrows and pucker the forehead in sorrow, which he studied in children, adults, and Duchenne's photographs.

Duchenne

The French physician Guillaume Duchenne, whose 1862 photographs of faces stimulated by electricity Darwin showed to friends to test whether they could name the emotion without being told.

Self-attention

The fundamental element of blushing according to Chapter XIII: shame, shyness, and modesty all turn the mind toward what others think of one's own person, and the blush follows.

Devotion

Treated briefly at the end of Chapter VIII, where Darwin judges the upturned eyes and joined hands of prayer to be conventional rather than innate, tracing joined hands to a captive offering his hands to be bound.

Seminar Questions

1. Comprehension What are Darwin's three general principles of expression in Chapters I-III, and which example does he give for each?
2. Comprehension What kinds of evidence does Darwin list in the Introduction, from infants and the insane to paintings, photographs, and reports from distant peoples, and why does he think each is needed?
3. Comprehension According to Chapter XIII, what happens in the body when a person blushes, and which parts of the body are most affected?
4. Interpretation Darwin argues against Sir Charles Bell that facial muscles were not created specially for expression. What would Darwin's argument lose, and what would Bell's gain, if expression did serve a purpose of communication from the start?
5. Interpretation Why does Darwin find blushing the most human of expressions, when nearly every other expression in the book is traced back to animals?
6. Interpretation In Chapter VIII Darwin says the gestures of devotion are probably learned, not inherited. What evidence does he give, and does his conclusion about gestures settle anything about devotion itself?
7. Big Question If a smile, a frown, and tears can be explained by inherited habits of the body, does that explanation tell us what joy, anger, and grief really are, or only how they show?

Faith Connections

• Genesis 2:25 and 3:7-10 (Scripture)

  The man and woman are naked and unashamed, then after eating they know their nakedness, cover themselves, and hide. Darwin's blushing chapter treats shame as self-attention under another's gaze, which is exactly what Adam confesses when he says he was afraid because he was naked.

• Psalm 123:1 (Scripture)

  The psalmist lifts up his eyes to the One who dwells in the heavens. Darwin in Chapter VIII explains the upturned gaze of prayer by the common belief that heaven is above, so his naturalist's account and the psalm describe the same gesture from opposite directions.

• Augustine, Confessions I.7 (Church Fathers)

  Augustine recalls watching an infant, too young to speak, turn pale and look bitterly at his foster-brother at the breast. Like Darwin observing his own children, Augustine reads the infant face as evidence about human nature, though he draws from it a lesson about original sin rather than descent.

Logic and Rhetoric

Central argument: The chief expressions of emotion in man are the same across distant peoples, appear in infants and the blind who could not have learned them, and resemble expressions in animals. Movements that are inherited and shared with animals are best explained by the three principles of habit, antithesis, and nervous discharge acting over long descent, not by special creation for display. Therefore the expressions of man are a product of gradual development, and they lend support to the view that mankind descends from a common ancestor shared with other animals.

Rhetorical device: argument by accumulated instances (inductive amplification). In Chapter VII Darwin builds the case for the grief-muscles from his own children, photographs, actors, people who cannot move the muscles at will, and reports from abroad, stacking case on case until the reader accepts a general rule. The method persuades by sheer patience of observation rather than by a single decisive proof.

Debate: Resolved: Darwin's study of expression shows that human emotions differ from animal emotions only in degree, not in kind.

Writing Prompts

Essay: Darwin calls blushing the most human of expressions yet explains it by inherited bodily habit. Using Chapter XIII and the principles of Chapters I-III, argue whether his account of shame finally treats it as a moral experience or only as a physical one.

Comparison with The Passions of the Soul: Descartes in The Passions of the Soul and Darwin both describe the outward signs of the passions, including blushing, tears, and laughter. Compare how each explains why the body shows what the soul feels, and argue which account better preserves the reality of the inner life.

Medical Lens

The Expression of the Emotions in Man and Animals has high medical relevance for this library. Its key tags are mind-body, melancholia-depression, neurosis-anxiety, grief, pain, physicians-doctors. Read these tags historically: they point to language, practices, institutions, and embodied experience in the work, not to retrospective diagnosis of named people.

• Principles chapters

  Darwin makes emotional expression a biological phenomenon governed by habit, antithesis, and nervous discharge.

  Mind Body
• Suffering and anxiety chapters

  Descriptions of grief, fear, anxiety, and bodily signs are useful for histories of affect and psychiatry.

  Melancholia DepressionNeurosis AnxietyGrief
• Observation methods

  Photographs, questionnaires, children, and animals show nineteenth-century methods for studying emotion.

  Physicians DoctorsMind Body

Creative Prompts

• Essay

  Write a historically careful essay on one term from The Expression of the Emotions in Man and Animals that should not be translated too quickly into a modern diagnosis.

• Dialogue

  Stage a conversation between Charles Darwin and a contemporary psychiatrist about evidence, humility, and the risks of naming suffering.

• Classroom

  Ask students to separate what The Expression of the Emotions in Man and Animals observes well from what its era leads it to misunderstand.

Further Reading

• Charles Darwin: The Power of Place, Janet Browne

• The Expression of the Emotions in Man and Animals, Paul Ekman

• Darwin's Dangerous Idea, Daniel C. Dennett