APA Citation
Erikson, E. (1968). Identity: Youth and Crisis. W.W. Norton.
Summary
Erikson's foundational work established that human development unfolds through eight distinct psychosocial stages, each presenting a central conflict that must be navigated. The book argues that healthy identity formation in adolescence requires successfully integrating earlier developmental achievements—trust, autonomy, initiative, and industry—into a coherent sense of self. When these earlier stages are disrupted, identity formation becomes compromised, leading to identity confusion, diffusion, or foreclosure.
Why This Matters for Survivors
For survivors of narcissistic abuse, Erikson's framework explains why your development may have been derailed at multiple stages. Narcissistic parents systematically undermine the very foundations that healthy identity requires—disrupting trust in infancy, crushing autonomy in toddlerhood, punishing initiative in early childhood, and sabotaging industry throughout the school years. Understanding this can help you identify which developmental tasks remain incomplete and need attention in your recovery.
What This Research Found
Erik Erikson’s Identity: Youth and Crisis articulates one of the most influential frameworks in developmental psychology: the theory that human beings develop through eight distinct psychosocial stages across the lifespan, each presenting a central crisis that must be navigated for healthy development to proceed.
Building on psychoanalytic foundations while transcending them, Erikson proposed that development is shaped not only by internal drives but by the interaction between individual and society. Each stage presents what he called a “psychosocial crisis”—not a catastrophe, but a turning point, a crucial period when development can proceed toward either pole of a dialectic. The resolution of each crisis becomes integrated into personality structure, forming the foundation for subsequent stages.
The Eight Stages
Stage 1: Trust vs. Mistrust (Infancy) The foundational stage. Consistent, reliable caregiving teaches the infant that the world is trustworthy and that their needs matter. Inconsistent or unresponsive caregiving teaches mistrust—the world is unpredictable, others cannot be relied upon. This stage establishes what Erikson called “basic trust,” the foundation upon which all later development rests.
Stage 2: Autonomy vs. Shame and Doubt (Toddlerhood) The child begins asserting independent will—“No!” becomes a favourite word. When caregivers support this emerging autonomy while providing appropriate limits, the child develops a sense of self-control without loss of self-esteem. When autonomy attempts are punished, shamed, or overwhelmed by parental control, the child develops pervasive shame and doubt about their capacity for self-direction.
Stage 3: Initiative vs. Guilt (Preschool Years) Building on autonomy, the child now initiates activities, makes plans, and pursues goals. When this initiative is encouraged, the child develops a sense of purpose—their desires and goals matter. When initiative is punished or ridiculed, the child develops guilt about their wants and learns that having desires is dangerous.
Stage 4: Industry vs. Inferiority (School Age) The child focuses on developing competence—academic skills, social skills, mastery of their world. Success builds a sense of industry: “I can do things; I can contribute.” Failure or lack of recognition creates inferiority: “I am inadequate; I cannot accomplish what others can.”
Stage 5: Identity vs. Role Confusion (Adolescence) The central stage of Erikson’s framework. The adolescent must integrate earlier identifications into a coherent sense of self. “Who am I?” becomes the defining question. Successful navigation yields identity achievement—a clear sense of values, goals, and self. Failure yields role confusion, identity diffusion, or premature foreclosure.
Stage 6: Intimacy vs. Isolation (Young Adulthood) With identity established, the young adult can risk intimacy—genuine closeness with another without fear of losing oneself. Without solid identity, intimacy threatens self-dissolution, leading to isolation or pseudo-intimate relationships that maintain defensive distance.
Stage 7: Generativity vs. Stagnation (Middle Adulthood) The concern shifts outward: “What am I contributing? What will I leave behind?” Generativity involves nurturing the next generation, creating lasting contributions, and mentoring others. Stagnation involves self-absorption and interpersonal impoverishment.
Stage 8: Integrity vs. Despair (Late Adulthood) The final reckoning: Can I accept my life as I lived it? Those who achieve integrity find meaning in their existence, acceptance of its limitations, and peace with mortality. Those who cannot achieve integrity experience despair—the painful sense of time running out, of a life wasted or wrong.
Identity Formation: The Heart of the Work
While Erikson’s eight stages span the lifespan, Identity: Youth and Crisis focuses particularly on Stage 5—adolescent identity formation—while showing how it builds on all preceding stages.
Erikson introduced the concept of the “identity crisis” to describe the normative developmental task of adolescence: experimenting with different roles, values, and possible selves before consolidating a coherent identity. He emphasised that identity is not simply chosen or discovered but constructed through synthesis of childhood identifications, personal capacities, and social roles available in one’s culture.
Identity achievement requires both exploration (considering alternatives) and commitment (making choices). When this process succeeds, the individual emerges with what Erikson called “ego identity”—a subjective sense of sameness and continuity, the feeling of knowing who you are and where you’re going.
Identity diffusion occurs when neither exploration nor commitment happens—the person remains scattered, unable to integrate disparate self-experiences into coherent identity. This often manifests as a chameleon-like quality, becoming whoever the situation seems to demand.
Identity foreclosure involves commitment without exploration—adopting an identity (often parental expectations) without genuinely questioning or choosing. The foreclosed identity may appear stable but lacks authentic foundation.
Identity moratorium describes ongoing exploration without commitment—a prolonged searching that may eventually yield achievement or may calcify into diffusion.
The Integration Principle
Erikson’s crucial insight is that identity cannot emerge from nothing—it integrates earlier developmental achievements. The adolescent building identity needs:
- Basic trust (from Stage 1): the confidence that the world and self are fundamentally reliable
- Autonomy (from Stage 2): the capacity to direct one’s own actions without crippling shame
- Initiative (from Stage 3): the sense that one’s desires and goals are legitimate
- Industry (from Stage 4): the experience of competence and meaningful contribution
When these foundations are solid, identity formation proceeds from a position of strength. When they are disrupted—as they systematically are by narcissistic parenting—identity formation becomes deeply problematic. There is nothing solid to integrate. The adolescent cannot synthesise a coherent self from shattered fragments of mistrust, shame, guilt, and inferiority.
Why This Matters for Survivors
If you were raised by a narcissistic parent, Erikson’s framework illuminates exactly what was stolen from you—not in abstract terms, but developmentally specific ones. Understanding this can transform vague feelings of being “broken” or “not like other people” into a clear map of what needs healing.
Stage 1: How Narcissistic Parents Destroy Trust
Attachment research confirms what Erikson intuited: the quality of earliest caregiving shapes fundamental expectations about self and others. Narcissistic parents provide care based on their own needs, not the infant’s. The baby cries; the narcissistic mother responds based on whether she feels like it, whether the crying annoys her, whether attending to the baby serves her self-image as a good mother. This inconsistency—sometimes responsive, sometimes neglectful, sometimes rageful—teaches mistrust at the most fundamental level.
The child learns: I cannot rely on others. My needs don’t determine whether they’re met. The world is unpredictable and dangerous.
Stage 2: How Narcissistic Parents Create Shame
The toddler’s “No!” threatens narcissistic parents profoundly. The child’s emerging autonomy means the child is becoming a separate person—no longer a mere extension of the parent. Narcissistic parents respond to autonomy attempts with narcissistic rage, shaming, or control so pervasive the child surrenders autonomous will entirely.
The child learns: My desire to be separate is shameful. Asserting my will brings punishment. I should doubt my capacity to direct my own life.
Stage 3: How Narcissistic Parents Punish Initiative
The preschooler’s plans and desires compete with the narcissist’s agenda. “I want to draw” may be met with “You should practice piano—don’t you want to make Mommy proud?” The child’s initiative becomes threatening when it doesn’t serve the parent. Over time, the child learns to suppress desires before they fully form.
The child learns: My wants are dangerous. Having plans of my own brings punishment. It’s safer to want what I’m told to want.
Stage 4: How Narcissistic Parents Distort Industry
School-age children develop competence through accomplishment. Narcissistic parents either dismiss these accomplishments (creating inferiority) or appropriate them (teaching that worth is performative). The child who brings home an A may hear: “Why wasn’t it an A+?” or “That’s because I made you study.” Neither response builds healthy industry.
The child learns: Nothing I accomplish is good enough. OR: My accomplishments belong to my parent. My worth depends on performance that can never satisfy.
Stage 5: The Impossible Task of Identity Formation
By adolescence, the child of a narcissistic parent faces identity formation with devastated foundations. There is no basic trust to ground them, no autonomy to direct exploration, no legitimate initiative to pursue their own goals, no secure sense of competence to build upon.
Moreover, the narcissistic parent typically intensifies control during adolescence, precisely when the child needs freedom to explore. Dating, friendships, interests, career plans—all must align with the parent’s needs and self-image. Any movement toward differentiation triggers the parent’s fear of abandonment or engulfment, met with manipulation, guilt, rage, or smear campaigns.
The result is often:
- Identity diffusion: Unable to form coherent identity, the adult child becomes whoever they think others want
- Identity foreclosure: Premature adoption of the narcissist’s assigned role (golden child, scapegoat, caretaker)
- Prolonged crisis: Ongoing identity struggle well into adulthood, the normative adolescent task remaining unresolved
The Developmental Map for Recovery
Erikson’s framework offers more than explanation—it provides direction for healing. Instead of generically “working on yourself,” you can identify specific developmental gaps:
If you struggle with basic trust: Work needs to focus on building experiences of reliable relationship. Therapy itself becomes a corrective experience—the therapist’s consistent availability models trustworthiness. Safe friendships that prove reliable over time gradually update internal models.
If you struggle with autonomy: Work needs to focus on reclaiming the right to your own will without shame. This may involve practicing saying no, making small choices without consulting others, and learning to tolerate the anxiety of self-direction.
If you struggle with initiative: Work needs to focus on reconnecting with your own desires. What do you want? Many survivors genuinely don’t know—the capacity to want was suppressed so early. Exercises in noticing preferences, pursuing interests, and tolerating the “selfishness” of having goals can rebuild this capacity.
If you struggle with industry: Work needs to focus on developing competence in domains chosen by you, not assigned by others. Mastering skills for your own satisfaction—not performance, not approval—rebuilds the sense that you can do things that matter.
If you struggle with identity: All of the above, plus dedicated work on integrating disparate self-experiences into coherent narrative. Who were you before the narcissist’s distortions? Who might you become? This often requires a psychosocial moratorium—time and permission to explore without premature commitment.
Clinical Implications
For psychiatrists, psychologists, and trauma-informed clinicians, Erikson’s developmental framework has direct treatment implications for survivors of narcissistic abuse.
Assessment Should Be Developmentally Specific
Rather than only assessing current symptoms, evaluation should map which psychosocial stages were disrupted and how. A client presenting with relationship difficulties may need trust-focused work; another presenting identically may need autonomy work. The developmental history—particularly the quality of narcissistic parenting at each stage—guides treatment focus.
Key assessment questions:
- What was earliest caregiving like? (Stage 1)
- How was your developing autonomy responded to? (Stage 2)
- Were your childhood interests and plans supported? (Stage 3)
- How were your achievements responded to? (Stage 4)
- What happened when you tried to differentiate in adolescence? (Stage 5)
Treatment Provides Corrective Developmental Experiences
The therapeutic relationship itself becomes the arena for developmental repair. The therapist who is consistently available addresses Stage 1 disruptions. Supporting the client’s choices without shaming addresses Stage 2. Encouraging the client’s initiative and plans addresses Stage 3. Genuinely celebrating client achievements (without appropriation) addresses Stage 4. Supporting identity exploration without agenda addresses Stage 5.
This framing helps explain why therapy with narcissistic abuse survivors takes time—they’re not just processing trauma but completing developmental tasks that should have been accomplished across two decades of childhood and adolescence.
Expect Stage-Specific Transference
Clients will often transfer to the therapist expectations learned from narcissistic parents. Stage 1 disruption may manifest as testing the therapist’s reliability. Stage 2 disruption may appear as extreme compliance or extreme defiance. Stage 3 disruption may show as inability to articulate treatment goals. Stage 4 disruption may manifest as shame about accomplishments or compulsive performance.
These transferences are diagnostic and therapeutic—they reveal which stages need attention and provide opportunities for corrective experience.
Identity Work May Require Delayed Moratorium
Adult survivors often need what Erikson called a “psychosocial moratorium”—time for identity exploration before commitment. This may look like regression but actually represents completing a developmental task. Clinicians can normalise and support this delayed moratorium while helping clients tolerate the anxiety of not yet knowing who they are.
Address Intergenerational Transmission
Erikson emphasised how each generation’s development shapes the next. Narcissistic parents typically experienced their own developmental disruptions. Without intervention, the cycle continues. Treatment should explicitly address the client’s parenting (if applicable) or plans for parenting, helping them consciously provide what they didn’t receive.
How This Research Is Used in the Book
Erikson’s developmental framework appears at crucial moments in Narcissus and the Child, illuminating both the mechanisms of harm and the experience of aging narcissists.
In Chapter 12: The Unseen Child, Erikson’s stages clarify what parentification steals:
Erik Erikson’s stages of psychosocial development clarify what is lost. During school-age years, when children should develop industry through peer interactions and skill development, parentified children manage adult responsibilities. During adolescence, when identity formation should occur through experimentation and peer relationships, they remain locked in caretaking roles. These missed stages do not simply disappear; the adult continues struggling with tasks never completed.
This passage highlights how parentified children are frozen at the developmental stage where adult responsibilities were imposed, leaving core tasks incomplete.
In Chapter 16: The Gaslit Self, Erikson’s framework explains how gaslighting attacks identity at its foundation:
Developmental psychology establishes that healthy identity forms through integration of self-experience across time and contexts. Gaslighting disrupts this integration. If your memory is unreliable and your perceptions questionable, what remains of a consistent self-concept? The victim becomes a collection of doubt rather than an integrated person.
Identity requires continuity of self-experience—knowing that the person you were yesterday connects to who you are today. Gaslighting fragments this continuity, making identity integration impossible.
In Chapter 17: The Hollowed Self, Erikson’s final stage—integrity vs. despair—frames the narcissist’s end-of-life reckoning:
Developmental psychologist Erik Erikson described the final psychosocial crisis as integrity versus despair: the need to review one’s life and find it meaningful versus experiencing regret and hopelessness. For the narcissist, this review proves devastating. The criteria for integrity—authentic relationships, generative contributions, acceptance of one’s life as it was lived—require capacities the narcissist never developed.
The narcissist who has spent a lifetime maintaining a false self, destroying relationships, and refusing vulnerability faces impossible criteria for integrity. They cannot honestly review a life built on deception, cannot accept a self they never authentically lived, cannot find meaning in connections they exploited rather than cherished.
Broader Implications
Erikson’s framework extends beyond individual therapy to illuminate social patterns relevant to understanding narcissistic abuse.
The Cultural Production of Identity Confusion
Erikson emphasised that identity formation occurs within cultural context—society provides (or fails to provide) meaningful roles and values that youth can explore and adopt. Contemporary culture, with its emphasis on performance, image, and external validation, may actually foster narcissistic development rather than healthy identity. Social media creates environments where identity becomes performative presentation rather than authentic integration. Understanding this helps contextualise individual development within cultural forces.
Family Systems and Developmental Disruption
Narcissistic family systems create structural impediments to healthy development. The golden child experiences identity foreclosure—their identity is assigned. The scapegoat experiences identity through negative definition—they are who the family rejects. Both face distorted Stage 5 tasks. Family therapy approaches should address how family structure systematically disrupts development across siblings differently.
Generativity as Healing and Breaking Cycles
Stage 7’s generativity offers a framework for how survivors heal through contributing. Many survivors channel their experience into helping others—writing, advocacy, peer support, or professional practice. This isn’t just altruism; it’s completing a developmental task. Successfully nurturing others’ development (one’s children, clients, or community) provides the generativity that enables integrity in the final stage.
Legal and Institutional Considerations
Erikson’s emphasis on the psychosocial moratorium—society’s provision of time for identity exploration—has implications for institutions. Educational systems, employment practices, and legal structures that don’t accommodate developmental variation may inadvertently harm those whose development was disrupted by abuse. Age-based expectations (when you should graduate, establish career, marry) fail to account for developmental delays caused by trauma.
Limitations and Considerations
Erikson’s framework, while influential, has important limitations:
Stage model rigidity: Human development is messier than sequential stages suggest. People can work on multiple stages simultaneously; stages may overlap; development may be domain-specific rather than global.
Western bias: Erikson developed his theory in Western contexts with particular assumptions about individual development. Cross-cultural research suggests that while developmental themes may be universal, their expression and timing varies across cultures.
Gender considerations: Erikson’s theory was developed primarily studying males, and his concepts of identity and intimacy have been critiqued as reflecting masculine developmental patterns. Feminist psychologists have proposed modifications addressing women’s development.
Limited attention to trauma: While Erikson acknowledged that development can be disrupted, his theory doesn’t fully address how trauma—particularly complex, relational trauma like narcissistic abuse—specifically derails development.
Determinism concerns: Erikson did not view early stages as rigidly deterministic, but his framework can be misread as suggesting that early disruption permanently damages later development. Contemporary research confirms neuroplasticity and the possibility of developmental repair throughout the lifespan.
Further Reading
- Erikson, E. H. (1950). Childhood and Society. W.W. Norton.
- Erikson, E. H. (1958). Young Man Luther: A Study in Psychoanalysis and History. W.W. Norton.
- Erikson, E. H. (1969). Gandhi’s Truth: On the Origins of Militant Nonviolence. W.W. Norton.
- Erikson, E. H. (1982). The Life Cycle Completed. W.W. Norton.
- Marcia, J. E. (1966). Development and validation of ego-identity status. Journal of Personality and Social Psychology, 3(5), 551-558.
- Kroger, J. (2007). Identity Development: Adolescence Through Adulthood (2nd ed.). Sage Publications.
- McAdams, D. P. (2001). The psychology of life stories. Review of General Psychology, 5(2), 100-122.
Abstract
In this landmark work, Erik Erikson presents his comprehensive theory of psychosocial development across the human lifespan. Building on his earlier formulation of the eight stages of psychosocial development, Erikson focuses particularly on the crisis of identity formation during adolescence while contextualising it within the broader developmental trajectory from infancy to old age. The book examines how identity emerges from the integration of childhood identifications, how identity diffusion manifests when this integration fails, and how societal and historical contexts shape individual development. Erikson draws on clinical cases, cross-cultural observations, and historical analysis to illuminate the universal and particular aspects of identity formation.
About the Author
Erik Homburger Erikson (1902–1994) was a German-American developmental psychologist and psychoanalyst whose theory of psychosocial development profoundly influenced psychology, education, and the broader culture. Born in Frankfurt to a Danish mother, Erikson never knew his biological father and was raised by his stepfather, a paediatrician. This early experience of uncertain identity—he was Jewish but looked Scandinavian, eventually emigrating to America and changing his surname—shaped his lifelong interest in identity formation.
After studying art and teaching at a progressive school in Vienna, Erikson trained in psychoanalysis under Anna Freud. He emigrated to the United States in 1933, where he held positions at Harvard, Yale, and the University of California, Berkeley. His research included groundbreaking studies of child development among the Lakota Sioux and Yurok peoples, which demonstrated how cultural context shapes psychological development.
Beyond Identity: Youth and Crisis, Erikson's major works include Childhood and Society (1950), which introduced the eight-stage model, and psychobiographical studies including Young Man Luther (1958) and Gandhi's Truth (1969), the latter winning both the Pulitzer Prize and the National Book Award. His concepts of 'identity crisis' and 'psychosocial moratorium' entered everyday language, and his influence extends from developmental psychology to history, theology, and political science.
Historical Context
Published in 1968, during a period of profound social upheaval in America and worldwide, Erikson's book addressed the 'crisis of youth' that seemed to characterise that era—student protests, countercultural movements, and questions about traditional values and institutions. Yet the book's framework transcends its historical moment. Building on his 1950 work Childhood and Society, Erikson refined and expanded his eight-stage model while engaging with contemporary concerns about alienation, ideology, and generativity. The book synthesised decades of clinical observation, cross-cultural research, and theoretical development, cementing Erikson's status as one of the twentieth century's most influential psychological thinkers.
Frequently Asked Questions
Erikson proposed that humans develop through eight stages, each defined by a central psychosocial crisis: (1) Trust vs. Mistrust (infancy), (2) Autonomy vs. Shame and Doubt (toddlerhood), (3) Initiative vs. Guilt (preschool years), (4) Industry vs. Inferiority (school age), (5) Identity vs. Role Confusion (adolescence), (6) Intimacy vs. Isolation (young adulthood), (7) Generativity vs. Stagnation (middle adulthood), and (8) Integrity vs. Despair (late adulthood). Each stage builds on previous ones—successfully navigating trust enables autonomous exploration; successful autonomy enables initiative. When earlier stages are disrupted, later development becomes compromised. For children of narcissistic parents, multiple stages are typically disrupted simultaneously.
Narcissistic parenting attacks every foundation that healthy identity requires. In infancy, inconsistent or conditional caregiving disrupts basic trust—the child learns the world is unreliable. In toddlerhood, the narcissist's need for control crushes emerging autonomy, replacing it with shame. In early childhood, the child's initiative threatens the parent's centrality and is punished—the child learns that their own desires are dangerous. During school age, the narcissist either dismisses the child's achievements (creating inferiority) or exploits them for supply (teaching that worth is performative). By adolescence, when identity should integrate these earlier achievements, there is nothing solid to integrate. The result is identity diffusion, foreclosure (adopting an identity to please the parent), or prolonged crisis.
Erikson used 'crisis' not to mean catastrophe but to describe a turning point requiring resolution. The identity crisis of adolescence is normative—a necessary period of exploration and commitment-making. During this phase, young people experiment with different roles, values, and relationships, gradually synthesising a coherent sense of who they are. However, when earlier developmental stages have been disrupted by narcissistic parenting, this normative crisis becomes pathological. Instead of exploring from a secure foundation, the adolescent may experience identity diffusion (inability to commit to any identity), identity foreclosure (premature commitment to avoid the anxiety of exploration), or prolonged identity confusion extending well into adulthood.
Erikson described the final stage of life as a reckoning with one's existence: the need to review one's life and find it meaningful (integrity) versus experiencing regret and hopelessness (despair). For narcissists, this review proves devastating. Integrity requires the capacity for honest self-reflection, acceptance of one's life as it was lived, and recognition of genuine connections formed. Narcissists have spent their lives maintaining a false self, destroying relationships, and refusing vulnerability. The criteria for integrity—authentic relationships, generative contributions, self-acceptance—require capacities they never developed. Many aging narcissists oscillate between denial and despair, unable to achieve the peaceful acceptance that marks successful completion of this stage.
Erikson's framework provides a developmental map for recovery. Instead of viewing yourself as simply 'damaged,' you can identify which specific developmental tasks were disrupted and need attention. Were you never able to develop basic trust? That's a Stage 1 issue requiring work on safety and predictability in relationships. Do you struggle to assert your own preferences without paralysing shame? That's a Stage 2 issue requiring reclaiming autonomy. Did you learn that your desires were dangerous? Stage 3 needs attention. Recovery becomes targeted: you're not starting from scratch but identifying and addressing specific developmental gaps. Therapy, particularly with attachment-informed clinicians, can provide 'corrective developmental experiences' that address each disrupted stage.
Erikson described the psychosocial moratorium as a sanctioned period of delay—time for young people to explore identities before making adult commitments. Society traditionally provided this through education, travel, or other forms of extended youth. Adult survivors of narcissistic abuse often never had this moratorium; they were forced into premature responsibility (parentification) or had their exploration controlled and punished. Many survivors find they need a delayed moratorium in adulthood—time to explore who they actually are apart from roles assigned by narcissistic parents. This might involve career changes, relationship reevaluation, or simply permission to not know who you are yet. It's not regression; it's completing a developmental task that was prevented.
Generativity—the seventh stage's positive resolution—involves concern for establishing and guiding the next generation. It's the opposite of the narcissist's self-absorption. For survivors who become parents, generativity becomes the arena where intergenerational cycles can be broken. Understanding Erikson's stages helps survivors consciously provide what they didn't receive: consistent responsiveness building trust, support for autonomy without shaming, encouragement of initiative without punishment, celebration of industry without exploitation. This isn't easy—survivors may find themselves triggered by their children's developmental needs that resonate with their own unmet needs. But generativity also extends beyond parenting: mentoring, teaching, creating, contributing to society. Survivors who heal often channel their experience into helping others.
Identity diffusion—the inability to form a coherent sense of self—typically resolves during late adolescence as identity crystallises. But for adult children of narcissists, several factors maintain diffusion: (1) Earlier stages were never successfully completed, leaving no solid foundation for identity; (2) The false self developed to survive narcissistic parenting crowds out authentic identity; (3) Chronic gaslighting has undermined the capacity to know one's own mind; (4) Fear of differentiation (developed in response to the narcissist's punishment of autonomy) prevents commitment to any identity; (5) The absence of mirroring meant the child never received accurate reflection of who they were. Recovery requires addressing these multiple disruptions, gradually building what should have been constructed in childhood and adolescence.