Buddhist texts reject both consciousness arising from aggregates and existing independently; it arises interdependently within the five aggregates.
Classical Buddhist philosophy dismisses both alternatives in your question. Consciousness does not arise from the other four aggregates (form, feeling, perception, mental formations) as a product separate from them, nor does it exist independently as a self-sufficient entity. Instead, the Buddha taught that consciousness arises through interdependent origination (pratityasamutpada), meaning it emerges in dependence on specific conditions while remaining part of an integrated system.
This middle way avoids two extremes: eternalism (the view that consciousness has independent, permanent essence) and materialism (the view that consciousness is merely produced by physical matter). The Samyutta Nikaya, a collection of the Buddha's earliest teachings, repeatedly emphasizes that consciousness cannot stand alone without the other aggregates and has no existence apart from the body, feelings, perceptions, and mental formations.
In Buddhist analysis, consciousness is defined as the aggregate (skandha) of knowing or awareness. It is not a separate entity that observes the other four aggregates from outside. Rather, consciousness arises together with form, feeling, perception, and mental formations in each moment of experience. The Mahasatipatthana Sutta describes how consciousness depends on contact between sense organs and their objects—without this contact, consciousness does not arise.
The Buddha used the metaphor of a flame: just as fire cannot exist without fuel, consciousness cannot exist without the conditions that produce it. In ordinary experience, consciousness always accompanies the other aggregates; there is no moment when consciousness exists without form, feeling, perception, or mental formations occurring simultaneously. They are interdependent components of experience, not separate substances.
Buddhist analysis identifies six types of consciousness: eye-consciousness, ear-consciousness, nose-consciousness, tongue-consciousness, body-consciousness, and mind-consciousness. Each arises in dependence on three factors: the sense organ (form), the object (also form), and contact between them. The Madhupiindika Sutta illustrates this clearly, showing that consciousness arises only when these three conditions meet.
This framework directly answers your question by showing that consciousness is neither independent nor a mere product of the other aggregates. Rather, it participates in a web of conditionality where form (the sense organs and objects) provides the necessary material basis, while consciousness simultaneously arises with feeling, perception, and mental formations in that moment. Remove any one condition, and consciousness cannot arise.
While all major Buddhist schools accept interdependent origination, Mahayana Buddhist traditions, particularly those influenced by Yogacara philosophy, developed more elaborate analyses of consciousness. Yogacara philosophers like Vasubandhu explored the nature of consciousness more deeply, considering whether consciousness is fundamentally constructed or relational. However, even these sophisticated analyses maintain that consciousness is not independent; it arises through conditions.
Theravada and Mahayana schools also differ on whether consciousness continues between rebirths, but both agree that in any given moment, consciousness cannot exist independently of the aggregate factors present in that moment. Tibetan Buddhist philosophy adds further complexity with different schools offering distinct interpretations of how consciousness relates to emptiness, but none posit consciousness as independently self-arising.
This teaching has profound implications for meditation and liberation. If consciousness were independent and eternal (as some non-Buddhist philosophies claim), liberation would be impossible, since consciousness could not be transformed or released. Instead, because consciousness arises interdependently with the other aggregates, practitioners can change the conditions that produce suffering. By transforming perception, feeling, mental formations, and one's relationship to form, one necessarily transforms consciousness itself.
Understanding consciousness as part of an interdependent system rather than a separate self is foundational to Buddhist practice. It undermines the illusion of a permanent, independent observer—the ego—that lies at the root of suffering. This is why all Buddhist paths emphasize studying and directly experiencing this truth through meditation.