
The Science
We designed Galatea to activate the mechanisms already proven to work: expectation, rituals, and belief. This page is a space to explore the research behind it — no pseudoscience, no overpromises. Just real findings about how your brain and body respond to the rituals you believe in
The Placebo Effect:
Placebo Mechanisms:
The placebo effect is a measurable, biological response driven by expectation and context. Your brain anticipates outcomes based on prior experience and belief, triggering real neurochemical changes like dopamine release and opioid signaling. Placebos have been shown to activate the same neural pathways as active drugs, especially in areas like pain, mood, and motivation. This means that what you expect can directly shape what you experience, right down to your physiology.
Benedetti et al. (2010). How Placebos Change the Patient’s Brain
Expectation activates opioid and dopamine systems, replicating drug effects in pain and mood.
→ Read articleBenedetti et al. (2003). Neurobiological Mechanisms of the Placebo Effect
Verbal suggestion and ritual modulate pain by activating key neural pathways.
→ Read article
Studies on Pain Relief:
Your experience of pain depends on more than just your body. It’s shaped by what your brain thinks is happening. Placebo studies have shown that even when people know they’re taking a placebo, their pain still decreases, especially when the setting includes a supportive ritual or cue. These studies highlight how the brain releases its own pain relief chemicals in response to trusted cues. This has been backed both by qualitative feedback from users and quantitative measures like fMRI scans show reduced pain signaling after taking a placebo. Furthermore, they reiterate that the more intentional the setup, the more powerful the effect
Zhou et al. (2021). Placebo Effects in Chronic Low Back Pain: A Systematic Review & Meta‑analysis
Shows moderate but consistent placebo-induced pain relief in chronic low back pain trials.
→ Read full study researchgate.net+4sciencedirect.com+4nature.com+4time.com+9pmc.ncbi.nlm.nih.gov+9pubmed.ncbi.nlm.nih.gov+9onlinelibrary.wiley.comWager et al. (2021). Meta‑analysis of Neural Systems Underlying Placebo Analgesia
Across 603 participants, placebo significantly reduced activation in insula and thalamus, and increased activity in frontoparietal control regions.
→ Read study en.wikipedia.org+10nature.com+10pubmed.ncbi.nlm.nih.gov+10pubmed.ncbi.nlm.nih.gov+1pubmed.ncbi.nlm.nih.gov+1Zunhammer et al. (2024). Placebo Treatment Affects Motivation and Evaluative Brain Systems
Pain relief wasn’t tied to nociceptive pathways alone — largely influenced by affective, motivational networks.
→ Read summary pubmed.ncbi.nlm.nih.gov+15nature.com+15home.dartmouth.edu+15Wager et al. (2004). Placebo‑Induced Changes in fMRI During Pain Anticipation and Experience
Anticipation signals in prefrontal cortex predicted analgesia; reductions seen in thalamus and insula.
→ Read abstract en.wikipedia.orgKaptchuk (2011). Placebo Studies and Ritual Theory
Rituals—from acupuncture to simple routines—give the brain a script to follow and increase placebo response.
→ Read article home.dartmouth.edusciencedirect.com+1washingtonpost.com+1Carvalho et al. (2016). Open‑Label Placebo for Chronic Pain
Even when people were told they were taking a placebo, pain relief occurred if the context and language supported expectations.
→ Read study onlinelibrary.wiley.com+15journals.lww.com+15washingtonpost.com+15
Studies on Placebo and Rituals:
The setting and the intent behind each capsule helps improve the outcomes of the pill. Your brain is a prediction engine. It doesn’t passively wait for sensory input—it constantly predicts what will happen next. When a ritual is repeated (like taking a capsule, breathing deeply, visualizing an outcome), your brain learns the pattern and begins preemptively triggering physiological responses.
Predictive coding theory suggests that expectations shape how we perceive and even physically respond to stimuli.
When you add intentional structure—a consistent cue, capsule, breath pattern—the brain expects a result, and preps the body to receive it.
Breathwork and focus stimulate top-down neural control, enhancing how the brain modulates pain, mood, and energy.
This is why protocols that ask you to visualize, breathe, and reflect don’t just feel good—they engage real brain networks.
Kaptchuk (2011). Placebo Studies and Ritual Theory
Rituals—from acupuncture to ceremonies—enhance placebo response by giving the brain a script to follow.
→ Read articleCarvalho et al. (2016). Open‑Label Placebo for Chronic Pain
Honest placebos paired with supportive context were still effective in reducing pain.
→ Read study
Studies on Focus:
Believing you’re going to focus sends signals that change how your mind works. Even without stimulants, your brain starts optimizing attention and readiness. These effects are most powerful when paired with clear, intentional cues like breath and ritual.
Havelka & Buhin (2015). Placebo Effect Affecting Attention: A Smart Pill Study
Subjects who believed they took a focus pill outperformed controls in attention tasks—even though it was only sugar.
→ Read full study (PDF)Atlas & Wager et al. (2015). The Neuroscience of Placebo Effects: Context, Learning, and Cognition
Emerging fMRI evidence ties placebo expectation to brain systems involved in motivation, value, and attention—not just pain.
→ Read full review
More Learning Resources
HUBERMAN LAB: How Placebo Effect Works to Change Our Biology
https://www.hubermanlab.com/episode/how-placebo-effects-work-to-change-our-biology-psychology
RADIOLAB: Pinpointing the Placebo Effect
https://radiolab.org/podcast/91540-pinpointing-the-placebo-effect
STUFF YOU SHOULD KNOW: How the Placebo Effect Works
HIDDENBRAIN: All The World's A Stage—Including The Doctor's Office
https://www.npr.org/transcripts/718227789
FREAKONOMICS: Is the Placebo Effect for Real?
https://freakonomics.com/podcast/is-the-placebo-effect-for-real/

“The body responds to what the brain expects. Change the expectation, and the brain changes the body.”
— Dr. Luana Colloca, Pain and Placebo Scientist, NIH