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| title | chunk | source | category | tags | date_saved | instance |
|---|---|---|---|---|---|---|
| History of psychology | 2/15 | https://en.wikipedia.org/wiki/History_of_psychology | reference | science, encyclopedia | 2026-05-05T04:00:20.149396+00:00 | kb-cron |
Many cultures throughout history have speculated on the nature of the mind, heart, soul, spirit, brain, etc. For instance, in Ancient Egypt, the Edwin Smith Papyrus contains an early description of the brain, and some speculations on its functions (described in a medical/surgical context) and the descriptions could be related to Imhotep who was the first Egyptian physician who anatomized and discovered the body of the human being. Though other medical documents of ancient times were full of incantations and applications meant to turn away disease-causing demons and other superstition, the Edwin Smith Papyrus gives remedies to almost 50 conditions and only two contain incantations to ward off evil. Ancient Greek philosophers, from Thales (fl. 550 BC) through even to the Roman period, developed an elaborate theory of what they termed the psuchẽ (psyche) (from which the first half of "psychology" is derived), as well as other "psychological" terms – nous, thumos, logistikon, etc. Classical Greece (fifth century BC), philosophers taught "naturalism", the belief that laws of nature shape our world, as opposed to gods and demons determining human fate. Alcmaeon, for example, believed the brain, not the heart, was the "organ of thought. "He tracked the ascending sensory nerves from the body to the brain, theorizing that mental activity originated in the region where the central nervous system is located and that the cause of mental illness resided within the brain. He applied this understanding to classify mental diseases and treatments. One of the most influential Ancient Greek influences on psychology came from the accounts of Plato (especially in the Republic), Pythagoras and of Aristotle (esp. Peri Psyches, also known by its Latin title, De Anima). Plato's tripartite theory of the soul, Chariot Allegory and concepts such as eros defined the subsequent Western Philosophy views of the psyche and anticipated modern psychological proposals. For example, concepts such as id, ego, super-ego and libido were interpreted by psychoanalysts as having been anticipated by Plato, to the extent that "in 1920, Freud decided to present Plato as the precursor of his own theory, as part of a strategy directed to define the scientific and cultural collocation of psychoanalysis". Other Hellenistic philosophers, namely the Stoics and Epicurians, diverged from the Classical Greek tradition in several important ways, especially in their concern with questions of the physiological basis of the mind. The Roman physician Galen addressed these issues most elaborately and influentially of all. The Greek tradition influenced some Christian and Islamic thought on the topic. In the Judeo-Christian tradition, the Manual of Discipline (from the Dead Sea Scrolls, c. 21 BC – 61 AD) notes the division of human nature into two temperaments or opposing spirits of either veracity or perversity. Walter M. Freeman proposes that Thomism is the philosophical system explaining cognition that is most compatible with neurodynamics, in a 2008 article in the journal Mind and Matter entitled "Nonlinear Brain Dynamics and Intention According to Aquinas". In Asia, China had a long history of administering tests of ability as part of its education system. Chinese texts from 2500 years ago mention neuropsychiatric illness, including descriptions of mania and psychosis with or without epilepsy. "Imbalance" was the mechanism of psychosis. Other conditions described include confusion, visual illusions, intoxication, stress, and even malingering. Psychological theories about stages of human development can be traced to the time of Confucius, about 2500 years ago. In the 6th century AD, Lin Xie carried out an early experiment, in which he asked people to draw a square with one hand and at the same time draw a circle with the other (ostensibly to test people's vulnerability to distraction). It has been cited that this was the first psychology experiment. India had a theory of "the self" in its Vedanta philosophical writings. Additionally, Indians thought about the individual's self as being enclosed by different levels known as koshas. Additionally, the Sankya philosophy said that the mind has five components, including manas (lower mind), ahankara (sense of I-ness), chitta (memory bank of mind), buddhi (intellect), and atman (self/soul). Patanjali was one of the founders of the yoga tradition, sometime between 200 and 400 BC (pre-dating Buddhist psychology) and a student of the Vedas. He developed the science of breath and mind and wrote his knowledge in the form of between 194 and 196 aphorisms called the Yoga Sutras of Patanjali. He developed modern Yoga for psychological resilience and balance. He is reputed to have used yoga therapeutically for anxiety, depression and mental disorders as common then as now. Buddhist philosophies have developed several psychological theories (see Buddhism and psychology), formulating interpretations of the mind and concepts such as aggregates (skandhas), emptiness (sunyata), non-self (anatta), mindfulness and Buddha-nature, which are addressed today by theorists of humanistic and transpersonal psychology. Several Buddhist lineages have developed notions analogous to those of modern Western psychology, such as the unconscious, personal development and character improvement, the latter being part of the Noble Eightfold Path and expressed, for example, in the Tathagatagarbha Sutra. Hinayana traditions, such as the Theravada, focus more on individual meditation, while Mahayana traditions also emphasize the attainment of a Buddha nature of wisdom (prajña) and compassion (karuṇā) in the realization of the boddhisattva ideal, but affirming it more metaphysically, in which charity and helping sentient beings is cosmically fundamental. Buddhist monk and scholar D. T. Suzuki describes the importance of the individual's inner enlightenment and the self-realization of the mind. Researcher David Germano, in his thesis on Longchenpa, also shows the importance of self-actualization in the dzogchen teaching lineage. Medieval Muslim physicians also developed practices to treat patients with a variety of "diseases of the mind". Ahmed ibn Sahl al-Balkhi (850–934) was among the first, in this tradition, to discuss disorders related to both the body and the mind. Al-Balkhi recognized that the body and the soul can be healthy or sick, or "balanced or imbalanced". He wrote that imbalance of the body can result in fever, headaches and other bodily illnesses, while imbalance of the soul can result in anger, anxiety, sadness and other nafs-related symptoms. Avicenna, similarly, did early work in the treatment of nafs-related illnesses, and developed a system for associating changes in the mind with inner feelings. Avicenna also described phenomena we now recognize as neuropsychiatric conditions, including hallucination, mania, nightmare, melancholia, dementia, epilepsy and tremor. Ancient and medieval thinkers who discussed issues related to psychology included: