What is "consciousness" in Buddhism?

Dhr. Seven, Amber Larson, Crystal Quintero (eds.), Wisdom Quarterly; Ven. Nyanatiloka Maha Thera, Manual of Buddhist Terms and Doctrines (viññāna)

Buddhas of the past, sacred Dambulla cave, Sri Lanka (inquiringmind.com)

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How are living beings conscious? (WHP)

"Consciousness" is one of the Five Groups [that comprise] Existence (Five Aggregates of Clinging). It is one of the Four Nutriments. It is the third link of the causal chain on the arising of suffering called Dependent Origination. It is the fifth in the sixfold division of elements.

Viewed as one of the Five Aggregates [trillions of discrete phenomena lumped into five groups or categories], it is inseparably linked with the three other mental aggregates (feeling, perception, and formations) and furnishes the bare cognition of the object, while the other three contribute more specific functions.

Conscious awareness (dhammawheel.com)

Its moral and karmic character, and its greater or lesser degree of intensity and clarity, are chiefly determined by the mental formations associated with it (particularly the most salient formation, "volition" or cetana, which determines if a karmic act is beneficial, unwholesome, or neutral).

 

Just like the other aggregates or "groups of existence," consciousness is not so much a thing as a flux (sotā, a "stream of consciousness") and does not constitute an abiding mind-substance. 

Free your mind. Rest will follow.

Nor is it in any way a transmigrating soul, entity, or abiding self, even though it is commonly regarded as such by ordinary uninstructed worldlings not yet freed of ignorance regarding existence. Arhats, the noble ones, who gain knowledge and vision recognize it for what it is and are freed of suffering, which is called enlightenment, the realization of nirvana, "the end of all suffering").

The Three Marks or Characteristics of Existence (the impermanent, unsatisfactory/disappointing/woeful, and impersonal nature of all conditioned phenomena) are frequently applied to consciousness in the texts (e.g., in the Anattalakkhana Sutra, S.XXII, 59).

The physical base of the "mind" is the heart (K)

The Buddha often stresses that "apart from conditions, there is no arising of consciousness" (MN 38). And all of these statements about its nature hold good for the entire range of consciousness -- be it "past, future, or presently arisen, gross or subtle, in oneself or another, that is, internal or external, inferior or lofty, far or near" (S. XXII, 59).

  

Six consciousnesses

The seven main chakras,energy centers, along the spine (Manifesto-Meditations)

 
According to the six senses it divides into six kinds: eye- (or visual), ear- (auditory), nose- (olfactory), tongue- (gustatory), body- (tangible), mind- (mental, intuitive, memory, psychic) consciousness. 

 

About the dependent origination or arising of these six kinds of consciousness, the Path of Purification (Vis.M. XV, 39) says: 

• "Conditioned through the [sense base or sensitive portion within the] eye, the visible object, light, and attention, eye-consciousness arises.
• Conditioned through the ear, the audible object, the ear-passage, and attention, ear-consciousness arises.
• Conditioned, through the nose, the olfactive object, air, and attention, nose-consciousness arises.
• Conditioned through the tongue, the gustative object, humidity, and attention, tongue-consciousness arises.
• Conditioned through the body, bodily impression, the earth-element [the solid quality of materiality or rupa], and attention, body-consciousness arises.
• Conditioned through the subconscious [or default, underlying] mind (bhavanga-mano [manas, mind]), the mind-object, and attention, mind-consciousness arises."

The Abhidharma literature distinguishes 89 classes of consciousness as being either karmically wholesome (skillful), unwholesome (unskillful), or neutral, and belonging either to the Sensual Sphere, the Fine-Material Sphere, or the Immaterial Sphere, or to supermundane consciousness. See Table I for the detailed classification.

Craving, motherhood, and rebirth (sutra)

Amber Larson, Dhr. Seven, Crystal Quintero, Wisdom Quarterly, Mata Sutta (SN 15.14-19)

There are better ways to be pregnant, to deliver, and to mother (Nirrimi Firebrace/NM)

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Craving is our first mother (Rudi'Peni)

Thus have I heard. At one time the Blessed One was staying in Savatthi when he proclaimed:

"Rebirth (again becoming, this continued wandering on through samsara -- a process which is impermanent, impersonal, and unsatisfactory) runs far back into an incomprehensible past. Yet no beginning point is discerned when beings -- hindered by ignorance, ensnared by craving, [and inflamed by aversion manifesting as anger and fear] -- set off on this wandering.

 

"So long has this wandering been going on that it is difficult to come across any being who has not already been one's mother, father, sister, brother, son, and daughter at some time in the past.

 

"And why is that?

"Rebirth (or the "continued wandering on" that is samsara) runs far back into an incomprehensible past. Yet no beginning point is to be discerned when beings -- hindered by ignorance, ensnared by craving -- set off on this wandering [this journey through time and place, this continued wandering on in search of pleasure now here, now there, in search of final satisfaction, fulfillment, security].

These three things are true.

"Long have we all experienced suffering (disappointment, dissatisfaction, distress), experienced pain, experienced loss (separation from the loved), swelling up cemeteries -- long enough to become disenchanted with all formations (conditional phenomena, composite things, i.e., Five Aggregates of Clinging), enough to become dispassionate, enough to be liberated."

Motherhood
But motherhood is the most beautiful thing

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Nirvana in a Himalayan meditation hut

Kelly, Wisdom Quarterly

On top of the world at peace in the Himalayas (Biswarup sarkar72/flickr.com)

 

Blue-eyed Buddha, Thikse Gompa

Suddenly by the fireplace, the light dawned. And I understood: Everything that is of a nature to arise is of a nature to pass away!

Regarding ALL phenomena it may be said, "Not having been, they come to be; once having been, they cease."

 

In the ceasing, because they cease, how could these things be considered a permanent self? How could these things produce permanent satisfaction?

 

So fully letting go, things were known just as they are -- reality was seen just as it is -- and nirvana was glimpsed. Such a thing is good to see! Then there was no doubt whatsoever.