Attachment Theory: Exploring the Origin of Attachment Styles

John Bowlby, a British developmental psychologist and psychiatrist, proposed a groundbreaking theory called “Attachment Theory” in 1969. He was influenced by psychoanalytic theory, but was critical of it for only investigating individuals themselves and not giving enough attention to systems such as family and other relationships. Therefore, his attachment theory placed great importance on caregiver-child relationships. Let’s look at the different attachment styles that the theory proposed and how they influence our adult relationships.

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Attachment is a close emotional bond between human beings. Bowlby specifically emphasized that every human is born with an innate ability to create this bond and the first year of life is especially important for bonding. When the infant’s attachment system is activated, especially when in stress, they search for proximity from the closest attachment figure, the caregiver. This proximity brings feelings of safety and security. This system remains important throughout the lifespan to build secure and healthy relationships.

Attachment is a close emotional bond between human beings

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The Four Attachment Styles

Although creating a bond is universal, the type of bond we create with our caregivers depends on the individual. To investigate the individual differences, Mary Ainsworth, another theorist and developmental psychologist, observed children and their relationship with their mothers in an experimental setting. This procedure was called “Strange Situation,” and it refers to a measure of infant attachment style.

In this procedure, the infant and mother enter the room and the infant observes objects around the room while the mother is there. Then a stranger comes to the room and different behavioral patterns are recorded while interactions, separations, and reunions are happening between the mother, the infant, and the stranger. Researchers in the 1979 experiment were able to observe four different patterns that infants attached to their caregivers: Secure attachment, anxious attachment, avoidant attachment, and fearful attachment. The last three patterns are cumulatively called “insecure attachment” styles.


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Secure attachment

Most of the infants in Ainsworth’s study were securely attached. These infants explored their environment safely while the mother was there. When the mother departed, these infants demonstrated mild signs of distress and when the mother returned, they reestablished proximity and positive contact. When the stranger approached, these infants showed only mild distress. They could be easily soothed by their mother.

  • Caregivers of secure babies protect their child when needed and create a safe environment, but also give their child space to explore the environment. They are protective but not overwhelming. They are emotionally available and give the message, “You are loved and valued.”
  • Adults with a secure attachment style are more likely to have romantic relationships with high levels of trust, commitment, and satisfaction compared to adults with other attachment styles. Their self-confidence is higher. They can share their feelings with romantic partners and seek out social support when needed. Thus, it is easier for them to navigate and maintain healthy relationships.

Anxious attachment

The Strange Situation experiment also revealed a group of infants with an “anxious attachment” style with their caregivers. These babies resisted exploring the environment, often clinging to their mothers, and showed a high level of distress when the mothers left. When the mothers returned, they were not easily soothed by her and displayed anger towards her.

  • Caregivers with anxious babies may also become easily overwhelmed and over-protective. They can be inconsistent, meaning that they are attentive sometimes and dismissive at other times. These mixed signals may confuse the child and they may not know what kind of response they can expect from caregivers in the future.
  • As an adult, individuals with anxious attachment might be preoccupied with their relationships. They may suffer from low self-esteem and feel insecure in a romantic relationship. They mostly need reassurance that they are loved since they feel fear of abandonment.

Avoidant attachment

Infants with the avoidant attachment style were more indifferent. When their mothers left the room, they did not show any signs of stress and when they returned, they did not show proximity or engagement (or showed very little proximity or engagement). When engaging with the environment, they were not oriented to their attachment figure.

  • According to Ainsworth such infants may have emotionally unavailable, distant, and insensitive attachment figures. If the infants are rejected when expressing needs and emotions and expected to become too independent, they may develop an avoidant attachment style.
  • Adults with avoidant attachment can be easily uncomfortable in the face of emotional closeness, may have strict boundaries, do not generally like to open themselves and express feelings and find it difficult to lean on and trust other people. Therefore, their romantic partners may define people with avoidant attachment styles as cold and distant from time to time.

Fearful attachment

The last type of attachment is fearful attachment, also called disorganized attachment. This attachment style is mostly seen in children who are abused emotionally or physically.

  • In Ainsworth’s experience, these infants appeared disoriented. They seemed confused and inconsistent and they showed strong feelings of fearfulness around the mother. They lacked clear attachment behaviors when observing the relationship with the caregiver.
  • As adults, people with fearful attachment may lack coherent behaviors in romantic relationships. Sometimes they may seem to connect and other days they may avoid proximity. Lack of trust may be a characteristic for them since they feel that abandonment and hurt are inevitable. They are also more prone to mental health problems such as substance abuse and depression.

Is it Possible to Change the Attachment Style?

In short, yes. The impact of infant attachment style through the lifespan, especially on adult relationships, is clear. On the other hand, while attachment theories emphasize this impact, the possibility of change is also mentioned. The good news is that if you have an anxious attachment style from your childhood, it does not mean that you cannot have a secure romantic relationship in your adult life.

Changing the attachment style as an adult is not easy. According to Medical News Today, increasing secure attachment bonds starts with understanding your attachment style and recognizing its behavioral signs. Other steps of changing the attachment style include observing and modeling securely attached individuals, building self-esteem, and learning how to express emotions and needs, using techniques like mindfulness and self-regulation to build stronger relationships, and lastly, therapy.

There are studies demonstrating that attachment-focused therapeutic interventions lead to the development of less fearful and more secure attachment bonds. Psychotherapy may help to understand and heal from adverse childhood experiences while providing secure ways to connect in current relationships.

Bottom Line

Attachment theory suggests that all human beings develop a specific type of attachment with their caregivers from the earliest years of life, which has an effect on their social development throughout their lifespan.

The Strange Situation experiment in 1979 built upon Bowlby’s attachment theory and proposed four main types of attachment. These are called secure, anxious, avoidant, and fearful.

While securely attached infants create trusting relationships, it is harder to do this for people with anxious, avoidant, and fearful types of attachment. Nonetheless, psychotherapy interventions focused on attachment can help such individuals to build healthy relationships even in the face of childhood adversities.