Most people have heard the phrase “being defensive.”
It is often used to describe someone who becomes angry, dismissive, argumentative, or unwilling to accept criticism.
In psychology, however, defence mechanisms mean something far more complex.
Defence mechanisms are psychological processes that help human beings manage emotional experiences that feel difficult, painful, frightening, overwhelming, or impossible to tolerate at a particular moment in time.
They are not signs of weakness.
They are not signs of failure.
They are not necessarily signs of mental illness.
In fact, every human being uses defence mechanisms throughout life.
Without them, emotional life would often become impossible to manage.
The question is not whether we use defences.
The question is how we use them, why we developed them, and whether they continue to help us or have begun limiting our ability to think, feel, and relate to others.
Where Do Defence Mechanisms Come From?
The origins of defence mechanisms are complex.
They emerge through the interaction of biological, psychological, and environmental factors.
From the very beginning of life, the infant encounters experiences that must somehow be processed and managed.
Hunger, frustration, fear, absence, discomfort, dependency, separation, disappointment, uncertainty, and emotional distress all form part of early development.
At the same time, every infant possesses a unique biological makeup.
Some children are naturally more sensitive to stimulation.
Others appear more resilient.
Some adapt relatively easily to frustration and change, while others experience these situations more intensely.
Environmental factors also play an important role.
The availability of caregivers, family relationships, stability, illness, loss, conflict, neglect, emotional warmth, and countless other experiences all contribute to psychological development.
As these biological, psychological, and environmental factors interact, the mind gradually develops ways of managing emotional experiences.
Many of these ways of coping become what we later describe as defence mechanisms.
Most begin as attempts to protect the individual from emotional pain, anxiety, guilt, fear, shame, helplessness, or vulnerability.
Originally they often serve an important purpose.
The difficulty arises when these defences become rigid, automatic, or continue operating long after the original circumstances have changed.
Splitting
What Is Splitting?
Splitting occurs when people struggle to hold positive and negative experiences together at the same time.
Instead of recognising that individuals possess both strengths and weaknesses, they may experience people as entirely good or entirely bad.
The world becomes divided into opposites.
Splitting in Everyday Life
A person may initially view a new partner as perfect, caring, understanding, and unlike anyone they have ever met.
However, after a disappointment or disagreement, the same individual may suddenly appear selfish, cruel, uncaring, or fundamentally flawed.
The relationship shifts from idealisation to disappointment with very little middle ground.
The person is often the same.
What changes is the way they are experienced emotionally.
Splitting in Psychotherapy
Patients may initially experience the therapist as exceptionally understanding and helpful.
Following a misunderstanding, holiday break, or difficult interpretation, the therapist may suddenly be experienced as disappointing, uncaring, or unhelpful.
Rather than viewing this as irrational, psychotherapy explores the emotional processes that contribute to these shifts in perception.
Projection
What Is Projection?
Projection occurs when feelings, wishes, fears, or impulses that feel difficult to recognise within oneself are experienced as belonging to someone else.
Projection in Everyday Life
A person who feels angry may become convinced that everyone around them is hostile.
Someone who feels rejected may become preoccupied with the belief that others are excluding them.
The feelings genuinely belong to the individual, but they are experienced as originating elsewhere.
Projection in Psychotherapy
Patients may occasionally attribute feelings, motives, criticisms, or judgments to the therapist that actually reflect their own internal emotional experience.
Exploring these moments can provide valuable insight into unconscious fears, conflicts, and anxieties.
Projective Identification
What Is Projective Identification?
Projective identification is one of the most important concepts within object relations theory.
It involves projecting aspects of oneself into another person and then relating to them as though they genuinely possess those characteristics.
Over time, the other person may begin responding to the pressure created by these projections.
Projective Identification in Everyday Life
Someone who unconsciously feels helpless may repeatedly place others into the role of rescuer.
Another person who feels angry may unconsciously provoke anger in those around them.
The emotional experience is not simply projected. It becomes enacted within the relationship.
Projective Identification in Psychotherapy
Patients sometimes communicate emotional experiences indirectly through the impact they have on the therapist.
The therapist may begin experiencing confusion, helplessness, frustration, anxiety, or other feelings that provide important clues about the patient’s inner world.
Careful reflection upon these experiences often becomes a valuable source of understanding.
Projective Identification
What Is Projective Identification?
Projective identification is often confused with projection, but it involves something more specific.
Rather than simply attributing a feeling to another person, the individual unconsciously disowns a part of themselves that feels unacceptable, painful, shameful, frightening, or difficult to tolerate. This unwanted aspect of the self is then experienced as belonging to somebody else.
The person becomes convinced that the other individual possesses the very qualities, motives, feelings, or characteristics that actually belong to themselves.
As a result, they may begin criticising, attacking, controlling, blaming, or reacting to the other person as though that person genuinely embodies these unwanted characteristics.
Projective Identification in Everyday Life
A person who cannot tolerate their own hostility may become convinced that somebody else is hostile towards them.
An individual who is highly controlling may repeatedly accuse others of being controlling.
Someone who struggles with selfishness may continually complain about how selfish everyone around them is.
In each case, the individual experiences these qualities as existing in the other person rather than recognising them within themselves.
The conviction can be extremely powerful, and the person may spend considerable time arguing, defending themselves, or attacking others for characteristics that actually originate within their own psychological world.
Projective Identification in Psychotherapy
Projective identification can also emerge within the therapeutic relationship.
A patient may become convinced that the therapist is critical, rejecting, controlling, hostile, indifferent, or judgmental despite little evidence that this is actually occurring.
Rather than immediately correcting the patient, psychotherapy seeks to understand what aspect of the patient’s internal experience may be emerging within the relationship.
Exploring these experiences can provide important insight into how the individual experiences themselves, other people, and relationships more generally.
Denial
What Is Denial?
Denial involves avoiding awareness of aspects of reality that feel emotionally threatening.
This is rarely a conscious decision.
Instead, the mind temporarily protects itself from information that feels overwhelming.
Denial in Everyday Life
A person may ignore serious relationship problems despite clear evidence that difficulties exist.
Someone experiencing depression may insist that everything is fine despite obvious suffering.
Others may dismiss warnings, concerns, or losses because fully acknowledging them feels too painful.
Denial in Psychotherapy
Patients sometimes minimise difficulties, avoid discussing painful experiences, or insist that certain issues are unimportant.
Rather than confronting these defences aggressively, psychotherapy seeks to understand what emotional experiences the denial may be protecting.
Idealisation
What Is Idealisation?
Idealisation involves experiencing another person as exceptionally good, wise, caring, powerful, or perfect.
This often develops when acknowledging limitations or imperfections feels emotionally difficult.
Idealisation in Everyday Life
A new partner may appear flawless.
A friend, teacher, therapist, leader, celebrity, or public figure may be placed on a pedestal and viewed as possessing qualities beyond those of ordinary people.
While admiration is healthy, idealisation often leaves little room for complexity.
Idealisation in Psychotherapy
Some patients initially experience the therapist as possessing extraordinary understanding or unique abilities.
Although positive feelings are important, psychotherapy gradually explores the reality that therapists, like all human beings, possess strengths and limitations.
Devaluation
What Is Devaluation?
Devaluation is often the counterpart to idealisation.
When disappointment occurs, the person who was previously experienced as exceptional may suddenly be viewed as worthless, inadequate, or disappointing.
Devaluation in Everyday Life
A friend, partner, family member, or colleague who fails to meet expectations may quickly become the focus of intense criticism.
The positive aspects of the relationship become difficult to recognise.
Devaluation in Psychotherapy
Patients may occasionally dismiss the therapist’s usefulness, understanding, or competence following experiences of frustration, disappointment, or emotional discomfort.
These reactions often provide important opportunities for understanding deeper emotional dynamics.
Omnipotent Control
What Is Omnipotent Control?
Omnipotent control involves an unconscious attempt to protect oneself from feelings of helplessness, dependency, vulnerability, worthlessness, or emotional collapse.
At its core is a fear that if one does not remain in control, other people, circumstances, or emotions will become overwhelming and impossible to manage.
The individual may feel that unless they control what is happening around them, they will become insignificant, powerless, or completely swamped by the demands and expectations of others.
Omnipotent Control in Everyday Life
A person may attempt to control relationships, family life, work situations, or social interactions in order to reduce feelings of uncertainty and vulnerability.
They may become distressed when people disagree with them, make independent decisions, or behave unpredictably.
Although the behaviour may appear confident or authoritative from the outside, it is often driven by deeper fears of dependency, inadequacy, failure, rejection, or emotional exposure.
Omnipotent Control in Psychotherapy
Patients may attempt to control the therapeutic process by deciding what can and cannot be discussed, directing the conversation away from emotionally important topics, or unconsciously attempting to determine how the therapist should think, feel, or respond.
These struggles often reveal deeper anxieties about dependency, trust, helplessness, and emotional vulnerability.
Manic Defences
What Are Manic Defences?
Manic defences are attempts to escape painful emotional realities through excessive activity, thinking, achievement, stimulation, or emotional detachment.
While they may defend against grief and loss, they can also serve as a defence against intense fear, dependency, vulnerability, inadequacy, worthlessness, and emotional collapse.
The activity itself becomes a way of staying ahead of feelings that are experienced as unbearable.
Manic Defences in Everyday Life
A person may become intensely busy following a relationship crisis, fear of losing a loved one, threat of failure, health concerns, fear of death, or major life changes.
Others may constantly seek new projects, achievements, distractions, stimulation, or activity in order to avoid experiencing anxiety, grief, loneliness, or feelings of inadequacy.
The emotional experience remains present but is continuously outrun.
Manic Defences in Psychotherapy
Manic defences may appear as relentless talking, constant movement between topics, excessive activity, humour, intellectual performance, or difficulty remaining with emotionally painful material.
The patient may appear highly engaged while simultaneously avoiding the emotional experience that requires exploration.
Avoidance
What Is Avoidance?
Avoidance involves keeping away from thoughts, feelings, situations, or experiences that generate anxiety or emotional discomfort.
Although it often provides temporary relief, it rarely resolves the underlying emotional conflict.
Avoidance in Everyday Life
People may avoid difficult conversations, relationship problems, decisions, responsibilities, painful memories, or situations that provoke emotional distress.
The immediate anxiety decreases, but the underlying issue remains unchanged.
Avoidance in Psychotherapy
Avoidance often becomes visible when patients repeatedly discuss subjects that carry little emotional significance while consistently moving away from material that feels threatening or important.
The conversation may appear productive on the surface, but it functions as a psychological smokescreen that prevents contact with deeper emotional concerns.
Intellectualisation
What Is Intellectualisation?
Intellectualisation occurs when thinking is used to avoid feeling.
The individual may analyse, explain, rationalise, and discuss emotional experiences in great detail while remaining disconnected from the feelings attached to those experiences.
Intellectualisation in Everyday Life
A person may speak endlessly about a painful relationship, bereavement, disappointment, failure, or loss while remaining emotionally detached from its impact.
The experience becomes something to be understood rather than felt.
This often serves as a defence against feelings of grief, inadequacy, dependency, vulnerability, worthlessness, or emotional pain.
Intellectualisation in Psychotherapy
Patients may provide sophisticated explanations, theories, interpretations, and analyses while remaining emotionally distant from the material they are describing.
They may understand their difficulties intellectually while remaining unable to experience the emotions connected to them.
The challenge is often not a lack of understanding but a lack of emotional contact with the experience itself.
Displacement
What Is Displacement?
Displacement occurs when feelings directed towards one person or situation are redirected towards another target that feels safer or less threatening.
The original emotional source remains unchanged, but the emotional expression is shifted elsewhere.
Displacement in Everyday Life
A person may feel angry with themselves, a partner, employer, parent, or authority figure but express that anger towards somebody who feels less threatening.
The emotional reaction appears directed at one person, while its true origin lies elsewhere.
Displacement in Psychotherapy
Patients may occasionally express strong feelings towards the therapist that originate in relationships outside therapy.
Equally, experiences within therapy may trigger emotional reactions that become expressed elsewhere.
Understanding where these feelings originate often becomes an important aspect of the work.
Withdrawal
What Is Withdrawal?
Withdrawal involves retreating psychologically, emotionally, or relationally when emotional experience becomes overwhelming.
The individual reduces contact with people, situations, thoughts, or feelings that are experienced as threatening.
Withdrawal in Everyday Life
Withdrawal may appear as social isolation, emotional distance, reduced communication, avoidance of intimacy, or retreat into private activities.
The withdrawal provides temporary protection from anxiety, disappointment, conflict, dependency, vulnerability, or emotional pain.
Withdrawal in Psychotherapy
Withdrawal can emerge in several ways. A patient may miss sessions, struggle to pay for sessions, disengage from the therapeutic process, or remain physically present while becoming psychologically absent.
At times the therapist may experience long periods of silence that feel emotionally closed, anxious, inaccessible, and difficult to think within.
This differs from reflective silence, where thoughts and feelings continue developing internally.
Instead, the withdrawal may feel as though emotional contact has been lost altogether.
Rather than viewing this simply as resistance, psychotherapy seeks to understand what emotional experience the withdrawal may be protecting the individual from.
Why Defence Mechanisms Matter in Psychotherapy
Defence mechanisms are not enemies to be defeated.
Most developed for good reasons and originally served important psychological functions.
They helped individuals survive emotional experiences that felt overwhelming, painful, confusing, frightening, or impossible to tolerate at the time.
The aim of psychotherapy is therefore not to remove defence mechanisms altogether.
Instead, therapy seeks to understand them.
As patients begin recognising how these processes operate in everyday life and within the therapeutic relationship itself, they often develop greater freedom in how they think, feel, and relate to others.
What was once automatic can gradually become understandable.
What was once overwhelming can become thinkable.
And what was once experienced only through action can begin to be experienced through reflection, emotional understanding, and meaningful change.
Discussion Points
Which defence mechanisms do you think are most common in everyday life?
Can defence mechanisms be helpful as well as limiting?
Why do some people rely more heavily on certain defences than others?
How can defence mechanisms affect relationships with partners, family members, and friends?
Why do defence mechanisms often become visible within psychotherapy?
Is it possible to change longstanding defensive patterns later in life?
If you would like to learn more about psychodynamic psychotherapy or arrange an appointment, please visit the main Avenue Psychotherapy Services website. Additional articles exploring psychotherapy, emotional wellbeing, relationships, anxiety, depression, neurodivergence, and psychological development are also available throughout this blog.
