Perceiving Your “Mind’s Eye”: The Pineal Gland

As advances in health care progress, more importance is being given to the glands of the endocrine system and the necessity of their proper functioning. Much is still to be researched and understood about the body’s endocrine system, particularly the glands located in the the brain. The endocrine system consists of a series of glands that secrete particular hormones into the bloodstream. These hormones send messages to the cells of the body, which in turn help to regulate a variety of functions including metabolism, growth and development, tissue function, and mood.

From its unique perch between the brain’s two hemispheres, the endocrine system’s pineal gland secretes melatonin, a derivative of serotonin, which generally contributes to feelings of well-being and happiness. The tiny, pine cone — shaped gland is joined by the habenular trigone and the posterior commissure to make up the epithalamus, which serves to connect the limbic system to other parts of the brain. The limbic system influences both the endocrine system and the autonomic nervous system and seems to have involvement (which is not entirely well understood) with emotion, behavior, motivation, long-term memory, and olfaction (our sense of smell). Just in this brief description, we get a glimpse of the inextricable relationships amongst our organs, systems, and their functions.

Released by the pineal gland’s pinealocyte cells, melatonin is a powerful antioxidant that fights free radicals that damage neurons (or any cells, for that matter). The amount of melatonin found in spinal fluid is much higher than the amount in our bloodstream, and it controls our circadian rhythm — our sleep and wake cycle. The pineal gland creates more of the antioxidant at night, in the absence of light, which helps to dictate our sleeping patterns. Studies on the pineal gland and melatonin have contributed to chronobiology, the branch of science which explores rhythms in living organisms. We all know people who strongly identify with being a “morning person” or “night owl,” and chronobiology has ways of assessing these chronotypes. In the dark months of winter, seasonal affective disorder (SAD) seems to be the result of low melatonin levels. Interestingly, aside from our eyes, the pineal gland is the only other organ in our body that detects light.

Melatonin is produced in response to another hormone called norepinephrine. Recent research shows that while the norepinephrine complex turns up melatonin in the evening (and the resulting sleepiness), dopamine and its receptor form a complex of proteins that does the opposite in the morning. The dopamine receptor on the outside of the pineal gland works alongside norepinephrine receptors to slow the melatonin-secretion signal in the early morning. Several diseases and conditions are affiliated with melatonin, including insomnia, fatigue, anxiety and, most recently, cancer. Since melatonin protects white blood cells against radiation damage, they provide a boost for the immune system. The blood flow through the pineal gland is very high and second only to the kidney, the body’s natural blood filter. This counts as another unique aspect of the pineal gland, as most other parts of the brain are separated from the bloodstream by the blood-brain barrier system (a separation of circulating blood from the brain extracellular fluid).

The pineal gland also has an effect on our reproductive system. High levels of melatonin in children are thought to inhibit their sexual development, and pineal gland tumors have been linked to the onset of early puberty. In addition, when the gland is damaged, accelerated growth of sexual organs occurs.

Dr. Rick Strassman, who conducted extensive research on near-death experiences in the 1990s, asserts that the pineal gland is also responsible for secreting the naturally occurring psychedelic hormone dimethyltryptamine (DMT). Structurally analogous to both serotonin and melatonin, it is believed DMT might help contribute to the visual effects of natural dreaming, near-death experiences, religious visions, or other altered states.

As we have attempted to understand its functions throughout history, the pineal gland has been associated with mystery and myth. René Descartes, for example, dubbed it the “principal seat of the soul,” suggesting it connected the body and intellect. Further, the philosophy of French writer Georges Bataille holds that the pineal gland can be thought of as a blind spot in Western rationality. This could serve to explain why science has merely a partial understanding of its function and secretory activity. From a profound sense of clarity and presence to an increase in physical and mental health and balance, the effects of its proper functioning are wide ranging and can be difficult to communicate. Further study will provide the elusive link between science and spirituality.

Discoveries about the intricate link between the mind and body are accelerating as practices of East and West continue to meld. The Western scientific study of the endocrine system provides the details behind the nature of attaining health and well-being through the ancient Eastern practice of balancing the chakras, invisible energy centers along the spine. The glands of the endocrine system are each linked to a chakra.

Providing a physical correspondence to each, the glands of the endocrine system possess sets of scientifically provable functions which in turn correlate with spiritual teachings. Through endocrinology, Western medical science has only just begun to explore the mechanisms behind the balance between the glands of the endocrine system.

Scientific findings continue to reveal how these centers serve as a meeting ground between the immaterial world of emotions, thoughts, and spirituality, and how they affect our physical reality. Psychoneuroimmunology (PNI), an interdisciplinary study of the links between psychological processes and the nervous and immune systems, lays the groundwork for what’s becoming a new understanding of our psychophysiological system.

The pineal gland is mainly made up of pinealocytes, which have a strong resemblance to the photoreceptor cells of the eye. As such, many link the pineal gland to the mystical third eye or Ajna chakra. According to Shri Mataji Nirmala Devi, founder of Sahaja Yoga (which focuses on self-realization), Ajna “is the chakra of forgiveness and compassion. Forgiveness is the power to let go of anger, hatred, and resentment and to discover, in humility, the nobility and generosity of the spirit. It is the one that dissolves all our ego, conditionings, habits, false ideas of racialism, and all our misidentifications. It is the narrow gate which opens the way for our consciousness to ascend to its final destination, which is the seventh center.” In other words, letting go of anger, hatred and resentment, which are all attachments to fear, leads to a peaceful state of contentment and well-being.

As Eastern teachings have held for centuries, the glands of the endocrine system are the key to the mysteries of both reproduction and creativity, as well as the potentiality and regenerative powers lying latent within each of us. The implications of the complexity of the psyche (the Greek word for “soul”) and how it relates to the proper functioning of the pineal gland are vast and provide an exciting scientific frontier for humanity.


  1. I have my own theories on this topic that someone would relate to. The Pineal Gland is Life itself with emotional entrapment. It even Blushes and turns red. Sometimes Fluoride has advanced and jumbled it up. Not to mention the Psychedelic component in a truly natural state of being.

  2. What about the Chinese as they say the pineal gland is associated to an area on the big toe.if stimulated. What happens.seems like it has good affects why don’t more doctors tell patients about melatonon .sounds like a cure for major problems

    • How can they imitate the hormone melatonon but the hormone estrogen is falsely lead woman to believe its actually getting replaced in their bodies but realistically the (pill)has no effect cause they can’t make a(hormone)

  3. Just a brief statement, yes! The Pineal Gland is subject to Bio electricity, to over come as nd properly use the Gland, one must do constant meditation, building the Chi, “Chi” is the 22 grams that leaves the body after death; known as the soul. Directing/manipulating energy is the key.

  4. I wonder if levels of Serotonin and Melatonin can be measured on criminal minds, and if the endocrine system releases enough of not enough of this or that to consider criminal minds, serial killer, psychopaths or sociopaths individual as post dramatic pineal stress disorders or it’s the intense campaign for decades adding fluoride to our water and toothpaste the one source to blame. Thank you in advance for your attention to my reply.

  5. What I’ve read and what I experienced as a chemical sensitive (super sniffer) canary in the coalmine: Olfactory receptors linked to pineal gland. Pineal gland is ?most primitive gland that is linked to our survival…enabling us to “sniff out danger” including inner sensing (seat of intuition). The synthetic fragrances in many personal care products and environment block this pathway from the olfactory receptors to pineal gland and therefore obviate this function …to where we are more easily led by ?the TV, media, society “telling us” what to do, where to go…No inner guidance. Convenient for selling consumerism, taking away our cognitive liberty. My sister and I have extreme chemical sensitivity (TILT) …the slightest whiff of a synthetic scent (fabric softener, fragrances in TIDE, GAIN detergent, cologne, air fresheners, soft soap makes us VERY incapacitated…with neurotoxic effects (physically weak, memory loss, spacy) for days. WE do well if we can clip our nose off with a carbon filter mask or hold nose…perhaps some can get through skin..but blocking nose off is major.

4 Trackbacks / Pingbacks

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