Book Review: ‘The Gaslit Brain’ by Jennifer Fraser

“It’s hard to remain sane when you live in an insane society.”

After only a hundred pages of The Gaslit Brain, I felt the weight of a despairing veracity settling into my soul. The above quote, bordering on trite but nonetheless sharp, encapsulates much of Jennifer Fraser’s central argument – that sanity itself is under siege and the modern world has quietly built an infrastructure that rewards deception while punishing truth.

Fraser’s focus is on gaslighting – not in its colloquial, meme-ready form, but as a sustained, institutionalized form of psychological assault. Physical violence traumatizes the body, she argues, while gaslighting inflicts as much trauma upon the brain and destabilizes the mind.

The former is visible and treatable and we have legislation in place to attempt to retard its occurrence in society or at least ameliorate some of the damage; the latter is ignored, misdiagnosed, or, worse, defended as “policy,” almost as if the legislation is the gaslighting. The book’s title metaphor is apt – what she calls “psychopathic fiction” doesn’t just distort reality for one person, but infects entire organizations until manipulation becomes normalized and dissent is pathologized.

Fraser draws from neuroscience, psychology, and moral philosophy to map how gaslighting operates – and how we might resist it. One of her key arguments is that gaslighting depends on language and cognition to manipulate perception. Thus, awareness of language itself – how words are used, twisted, and weaponized – becomes an antidote.

She writes of the “Dark Triad,” a cluster of narcissistic and psychopathic traits that thrive in hierarchical institutions. The “fabulist” and the “myth-maker” ascend the ranks while the “altruistic truth-teller” is punished or expelled. I’m trying hard to recognize figures who mete out such treatment in government, academia, or the corporate world – any names come to your mind?

The book is particularly strong when it moves into the realm of neuroscience. Fraser’s discussion of neuroplasticity – the brain’s ability to rewire itself – offers hope. If the mind can be trained to doubt itself, it can also be retrained to trust itself. Similarly, her analysis of left- and right-hemispheric processing helps explain why people perceive manipulation differently, and why changing one’s perceptual “lens” can be a form of liberation.

She introduces the concept of the “dishabituation entrepreneur” – someone who intentionally disrupts their habits of thought to reclaim control over how they experience the world. That, in itself, is a valuable takeaway: Know who you are, know what you want, and be deliberate in how you interpret the reality presented to you.

Yet despite its intellectual promise, The Gaslit Brain often feels longer than its 390 pages. Structurally, it meanders. Conclusions are repeated, summaries rephrased, and points reasserted as though the reader might forget them without constant reinforcement. What might have been a lean, compelling 250-page book stretches into a series of loops, each circling the same core ideas.

The repetition blunts the impact of Fraser’s message, which deserves a sharper delivery.  The rhythm and pacing of the sentences can feel jumbled – perhaps a quirk of voice, perhaps editorial laxity. I sometimes found myself re-reading lines just to locate the subject or decipher the grammar. It’s not unreadable by any means, but it’s distracting, and it detracts from the otherwise serious subject matter. These matters may just be an issue with this reader, I don’t mention them with any acrimony towards the author, but it did have a slight affect on my perusal of the book.  

Also, I initially worried I’d stumbled into another overblown “psychology of evil” screed. The repeated invocations of the “Dark Triad” and their constant Machiavellian strategies risk sounding conspiratorial even though she clearly grounds her claims in research rather than paranoia. Her grounded discussion of COVID-19 and vaccine advocacy helped re-center the book in rational territory. Tonally Fraser is most engaging when she’s measured. When she shifts toward outrage – railing against nondisclosure agreements, for instance, or institutional cowardice – the book edges toward melodrama. 

Where The Gaslit Brain excels is in its moral clarity. Fraser is unflinching about the cost of truth-telling. “Not maintaining silence,” she writes, “not participating in the institutional cover-up of abuse, is dangerous.” This sentence captures the ethical tension at the heart of the book: Doing the right thing, in systems designed to protect the wrongdoers, often results in punishment.

It’s a particularly painful form of moral injury – one that leaves the victim doubting not only others, but themselves. Fraser connects this experience to the erosion of democracy itself: When institutions teach people that honesty is unsafe, deception becomes civic virtue.  Systems that cannot admit fault, she suggests, are just as delusional as the people who run them.

The solution, then, lies not in rebellion for rebellion’s sake, but in humility – the courage to live in that uncomfortable space where we can be both right and wrong, victim and perpetrator, aware and deceived. That middle ground, fragile as it is, might be the last refuge of sanity in an increasingly gaslit world.

The Gaslit Brain is not an easy or entirely enjoyable read. It spotlights a disturbing trend that many of us have either experienced or perpetrated. It can also be repetitive, occasionally self-important, and structurally uneven. But it’s also urgent. Fraser’s warning – that assaults on the mind are as real as those on the body – deserves to be heard. Her call to pay attention to language and cognition as acts of resistance feels especially relevant in a time when misinformation has become both entertainment and currency.