- August 18, 2025
- Dr Andrea Sadusky
- Comments: 3
- Emotional Health, Mount Waverley psychologist, Psychology
Gaslighting in Relationships: The Psychology, Science, and Recovery
Gaslighting in relationships is a form of emotional abuse where one person makes the other doubt their memories, feelings, or sense of reality. It can happen in romantic relationships, friendships, families, workplaces, and even in wider social or political contexts.
While the term gaslighting is now widely used, the science behind it is less well known. In this article, we’ll explore what gaslighting in relationships is, the psychology that makes it effective, its emotional impact, and the evidence-based steps you can take to recognise and recover from it.
What Is Gaslighting in Relationships?
The term comes from the 1944 film Gaslight, where a husband tries to convince his wife she is “losing her mind” by dimming the gas lights and denying it’s happening.
Today, psychologists use “gaslighting” to describe a repeated pattern of behaviour where a person:
- Denies things they have done or said
- Twists facts or events to suit their version of reality
- Makes you question your memory, judgement, or sanity
Gaslighting is not a simple disagreement or misunderstanding — it’s consistent manipulation designed to destabilise and control.

The Psychology of Gaslighting in Relationships
While gaslighting isn’t a formal diagnosis in the DSM-5-TR, it is well-documented in psychology research, trauma studies, and interpersonal dynamics. What makes gaslighting so powerful is that it taps into normal psychological processes — the very ways our brains are wired to resolve conflict, trust others, and make sense of reality. When these natural processes are exploited, they can be turned against us.
Here are some of the main mechanisms that explain why gaslighting in relationships can be so disorienting and damaging:
1. Cognitive Dissonance and Manipulation
Our brains don’t like holding two conflicting beliefs at once. This discomfort is called cognitive dissonance. Gaslighters take advantage of this by presenting a version of reality that clashes with yours.
For example, you might clearly remember them promising to attend your family dinner. On the day, they insist they never agreed and suggest you’re “imagining things.” You’re left with two incompatible realities: I know what I heard vs. They say it didn’t happen. To reduce the mental friction, many people choose the path of least resistance — doubting themselves instead of pushing back. Over time, this pattern chips away at your confidence in your own memory and judgement.
2. Trust, Authority, and Power Dynamics
In healthy relationships, trust is a strength. But in a gaslighting dynamic, trust can become a weapon. When the manipulator is someone you love, rely on, or look up to, you’re more likely to assume they must be right.
This effect is stronger when there are power imbalances. For instance, if your partner manages the finances, controls social circles, or holds more authority in the household, it becomes even harder to challenge their version of events. Survivors often describe thinking, “If the person I care about and depend on says I’m overreacting, maybe I am.” That instinct to defer to them deepens the cycle of control.
3. Intermittent Reinforcement in Relationships
Gaslighters don’t always dismiss you. Sometimes they’re warm, affectionate, or even admit you’re right. This unpredictability creates confusion and a powerful conditioning loop.
Picture this: last week they told you “you’re too sensitive” when you raised a concern. Today, they surprise you with kindness and validation. That contrast makes you second-guess whether things are really “that bad.” You start holding onto the rare “good moments” as evidence the relationship is fine, which keeps you invested even as the manipulation continues. Psychologists call this intermittent reinforcement — the same principle that makes gambling addictive.
4. Memory and Reality Monitoring
Gaslighting also exploits how memory works. Human memory is reconstructive — we piece together fragments, and we’re naturally open to suggestion. When someone repeatedly insists your version is wrong, your brain may begin to doubt itself.
Over time, you might catch yourself thinking: “Maybe I did exaggerate… maybe I am remembering wrong.” This erosion of self-trust means the gaslighter doesn’t have to work as hard — you start questioning yourself automatically, relying on them to tell you what really happened. In psychology, this is linked to weakened “reality monitoring,” the ability to distinguish between internal thoughts and external events.

Common Signs of Gaslighting in Relationships
Research and clinical experience show that gaslighting often includes:
- Denying your experience (“That never happened”, “You’re imagining things”)
- Changing the story so past events seem different
- Minimising your feelings (“You’re overreacting”, “You’re too sensitive”)
- Blaming you for things that aren’t your fault
- Questioning your memory even on small details
- Using your values against you (e.g., twisting your empathy to excuse their behaviour)
Gaslighting is systematic and repeated — occasional defensiveness or forgetting is not the same thing.
Why Does Gaslighting Work? Am I Actually Unintelligent or Crazy?
The unsettling truth is that these processes — dissonance, trust, reinforcement, and memory — are universal human tendencies. Anyone can be vulnerable to gaslighting when these are exploited by someone close. That’s why people often say afterwards, “I can’t believe I didn’t see it sooner” — the science explains why it’s not about weakness, but about how our minds naturally work.

Mental Health Impact of Gaslighting in Relationships
Gaslighting doesn’t just cause arguments in the moment — its effects often linger long after the words are spoken. When these patterns repeat over months or years, they can leave deep psychological wounds. Survivors often describe feeling like they’ve “lost themselves” or can no longer trust their own mind.
Here are some of the most common impacts:
Chronic self-doubt and loss of self-trust 🤔
Over time, constantly being told you’re “imagining things” or “too sensitive” makes you second-guess even the simplest choices. You may find yourself asking others for reassurance about things you used to decide easily, or replaying conversations in your head, trying to check whether you got it “wrong.” This erosion of self-trust can feel paralysing.
Anxiety, stress, and hypervigilance 😰
Living with a gaslighter can feel like walking on eggshells. You might start scanning their tone of voice, facial expressions, or even the way they shut a door, just to predict what mood they’re in. This constant state of alertness keeps your nervous system on high alert, leading to exhaustion, sleep problems, and physical stress symptoms like headaches or stomach pains.
Low mood or depression 🌧️
Being repeatedly invalidated takes a toll on your sense of worth. Many people describe feeling “flattened,” joyless, or stuck in hopelessness. Over time, this can spiral into depression, where getting out of bed, going to work, or connecting with others feels overwhelming.
Problems concentrating or making decisions 🌀
Gaslighting undermines the very skills you need to function day-to-day. When you’ve been told often enough that you can’t be trusted, even choosing what to eat for dinner or sending a simple work email can feel overwhelming. Some survivors describe feeling like their brain is “foggy” or that they can’t hold onto information the way they used to.
Withdrawing from friends and family 🚪
It’s common to pull away from loved ones — either because the gaslighter has convinced you they “don’t understand,” or because you feel ashamed and exhausted. Sadly, this isolation works in the manipulator’s favour, as it cuts you off from outside validation and support.
Feeling numb or detached from reality 😐
When the constant confusion and invalidation become too much, some people “switch off” emotionally. This can feel like watching life happen from outside your own body, or like everything around you is hazy or unreal. While this detachment may protect you in the moment, it can make it even harder to recognise what’s happening and seek help.
The overlap with trauma 🧠
These impacts often mirror symptoms of complex post-traumatic stress disorder (C-PTSD) — including hypervigilance, emotional numbing, and negative self-beliefs. That’s because gaslighting is not just about disagreements; it’s a sustained pattern of psychological harm that can rewire the way your brain and body respond to relationships and stress.

Why People Use Gaslighting in Relationships
Research underscores several key motivations—some overlapping, others distinct—that drive individuals to engage in gaslighting behaviour:
Avoiding Accountability & Deflecting Blame
A common motive is simply to escape responsibility. Perpetrators distort reality—claiming the victim is overreacting or “imagining things”—to avoid being held accountable for their actions.Gaining Control & Maintaining Power
Another central driver is asserting dominance. Gaslighting is a method of keeping others off-balance, especially when someone’s autonomy threatens the gaslighter’s sense of control.Excusing Infidelity or Serious Misconduct
Some use gaslighting specifically to conceal infidelity or other betrayals, shifting the narrative so that the victim looks irrational or distrustful.Sustaining a Deceptive or Hollow Relationship
In some cases, gaslighting stems from an unhealthy belief that manipulation is the only way to maintain connection. The abuser might assume affection or conflict avoidant tactics will preserve the relationship.Feelings of Power or Emotional Security
For some, gaslighting isn’t just about controlling others—it’s about self-enhancement. By undermining someone else’s reality, the gaslighter boosts their own esteem or sense of superiority.Reinforcing Learned or Attachment-Based Behaviour Patterns
Gaslighting can be a learned behavior—a pattern inherited from childhood or previous relationships. It may also emerge from attachment disruptions, where emotional dependency and fear of abandonment lead to manipulative tactics.Broader Structural or Sociological Power Dynamics
Beyond individual motives, gaslighting also happens in contexts where one party has structural or sociocultural power—such as gender, race, or class—influencing whose reality is deemed valid. This aligns with broader patterns of silencing and invalidation in society.
Some gaslighters know exactly what they’re doing. Others may use these tactics unconsciously because it’s the only way they’ve learned to deal with conflict.

How to Recognise Gaslighting in Relationships and Recover
1. Keep a record 📝
Write down what happened, when, and who was present. This helps you hold onto the facts and reduces the power of “you’re imagining things.”
👉 Example: If your partner says, “That never happened,” but you have notes or texts confirming otherwise, it can reassure you that your memory is reliable.
2. Seek outside perspectives 🗣️
Talk to trusted friends, family, or a therapist who can validate your experiences. Gaslighting thrives in isolation; other people can help anchor you to reality.
👉 Example: Sharing your story with someone safe and hearing, “No, you’re not crazy — I remember it the same way,” can restore confidence in your perceptions.
3. Learn the signs of emotional abuse 🚩
Understanding the common tactics makes them easier to spot. Once you can name the behaviours — denial, minimising, shifting blame — they become less confusing and harder for the gaslighter to hide.
👉 Example: When you notice the pattern, you can say to yourself, “This isn’t me being too sensitive, this is a tactic I’ve read about.”
4. Access trauma-informed therapy 🧠
Approaches like Cognitive Processing Therapy (CPT), EMDR, and Schema Therapy are designed to help people rebuild self-trust, reduce anxiety, and heal from invalidation.
👉 Therapy provides both validation and practical strategies — for example, practising grounding skills when you start to feel that familiar “maybe I’m overreacting” spiral.
5. Set boundaries and plan for safety 🛡️
If the behaviour continues, consider limiting certain conversations, reducing contact, or ending the relationship — especially if your wellbeing is at risk. Your safety comes first.
👉 Example: This might look like saying, “I won’t continue this conversation if you keep dismissing my feelings,” or putting support networks in place if you’re planning to leave.
Gaslighting in Relationships vs. Healthy Disagreement
Not every disagreement is gaslighting. Key differences include:
- Gaslighting is ongoing and intentional
- It’s aimed at making you question reality
- It erodes your confidence and independence
In healthy relationships, disagreements can be resolved without undermining each other’s sense of reality.
Final Thoughts
Gaslighting in relationships is a powerful form of emotional manipulation. It uses psychology to make you doubt yourself, which can have long-lasting mental health impacts. Knowing the signs, understanding the science, and seeking the right support can help you break free from the cycle.
Get Support Today
If you believe you may be experiencing gaslighting in a relationship, know that you’re not alone — and it’s not your fault. With the right support, it’s possible to rebuild confidence and trust in yourself.
At aMAZEin’ Minds Psychology in Mount Waverley, we offer evidence-based, trauma-informed counselling to help you move forward. We work with clients across Melbourne in person and Australia-wide via telehealth.
Call us: (03) 7046 4528
Email: info@amazeinminds.com.au
Contact us online »
Further Reading & References
- 1800RESPECT – national sexual assault, domestic, and family violence counselling service
- Kabiraj, A. (2025). The Gaslight Effect: Emotional Manipulation and Cognitive Dissonance in Close Relationships. Wisdom Vortex: International Journal of Social Science and Humanities, 1(2), 16-20. https://doi.org/10.64429/wvijsh.01.02.004
- Abramson, K. (2014). Turning up the lights on gaslighting. Philosophical Perspectives, 28(1), 1–30. https://www.jstor.org/stable/26614542
- Sweet, P. L. (2019). The sociology of gaslighting. American Sociological Review, 84(5), 851–875. https://doi.org/10.1177/0003122419874843


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