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41 results for "mirror stage" — page 2 of 3
J_1_08 — Ancient Optics, Lenses, and Light Technology
Ancient civilizations possessed a greater understanding of optics and light than is commonly recognized. Archaeological evidence includes polished crystal lenses (the Nimrud lens, ~750 BCE; Visby lenses, ~11th c. CE), so
ZB_1_01 — Animal Cognition — Corvids, Cetaceans, Cephalopods, and Non-Human Minds
The study of animal cognition has undergone a revolution over the past three decades, dismantling the long-held assumption that complex thought is uniquely human. The 2012 Cambridge Declaration on Consciousness formally
G_4_10 — Paleoclimatology Methods: Proxies, Models, and Reconstruction
Paleoclimatology reconstructs Earth's climate history using natural archives—physical, chemical, and biological proxies preserved in geological and biological materials. Speleothems (cave formations) record precipitation
T_2_01 — Psychology of Grief, Loss, and Death Awareness
The psychology of grief, loss, and death awareness spans clinical bereavement research, existential psychology, and experimental social cognition. Elisabeth Kübler-Ross's five-stage model (1969), though culturally ubiqui
T_2_16 — Body Dysmorphic Disorder
Body dysmorphic disorder (BDD) is a psychiatric condition characterized by persistent, distressing preoccupation with perceived defects or flaws in physical appearance that are not observable or appear slight to others.
T_1_04 — Developmental Psychology — From Piaget to Attachment Theory
Developmental psychology traces psychological changes across the human lifespan, from prenatal development through aging. Jean Piaget's cognitive stage theory, Lev Vygotsky's sociocultural approach, John Bowlby's attachm
T_1_06 — Cognitive Development — Piaget, Vygotsky, Theory of Mind
Cognitive development — how human minds grow in their capacity to think, reason, solve problems, and understand the world — has been dominated by two foundational theories: Jean Piaget's constructivist stage theory (1936
T_3_04 — Sleep Psychology and Dreams
Sleep occupies approximately one-third of human life yet its functions remain among the most actively investigated questions in neuroscience and psychology.
T_3_07 — Psychology of Play
Play — voluntary, intrinsically motivated, process-oriented activity distinguished by positive affect, flexibility, and "as-if" pretense — is a universal feature of mammalian development that serves critical functions in
T_5_20 — Synesthesia & Cross-Modal Perception
Synesthesia is a neurological phenomenon in which stimulation of one sensory or cognitive pathway automatically triggers an involuntary experience in a second pathway — for example, seeing specific colors when reading le
T_5_03 — Embodied and Social Cognition
Embodied cognition challenges the classical computational model of mind (cognition as abstract symbol manipulation, independent of the body) by proposing that cognitive processes are fundamentally shaped by the body's ph
D_5_13 — Obsidian: Volcanic Glass in Technology, Trade, and Ritual
Obsidian — a naturally occurring volcanic glass formed when felsic lava cools rapidly with insufficient crystal growth — is one of the most important materials in human technological and cultural history. Prized for its
D_3_11 — Sigiriya: Sri Lankan Sky Fortress and Water Gardens
Sigiriya ("Lion Rock") — a massive column of volcanic rock rising approximately 200 meters (660 feet) above the surrounding plains in the central Matale District of Sri Lanka — is one of the most dramatic archaeological
Y_4_06 — Synesthesia and Cross-Modal Perception
Synesthesia — the involuntary, consistent experience of one sensory modality triggering perception in another (e.g., hearing colors, tasting shapes) — affects roughly 4% of the general population when broad subtype defin
Y_4_04 — Entoptic Phenomena and Phosphene Patterns
This document examines Entoptic Phenomena and Phosphene Patterns, a topic within the Consciousness research area. Key areas of investigation include Defining Entoptic Phenomena, Phosphenes: Light from Within, Heinrich Kl
Y_4_13 — Collective Effervescence and Group Altered States
Collective effervescence — Émile Durkheim's term (The Elementary Forms of Religious Life, 1912) for the heightened emotional energy generated when people gather and act together in coordinated ritual — describes a group
Y_3_13 — Visionary Art: Depicting Altered States from Hildegard to Grey
Visionary art — artistic creation inspired by, depicting, or emerging from altered states of consciousness — spans the entire history of human image-making, from Paleolithic cave paintings (whose geometric patterns David
R_3_03 — Evo-Devo: Evolutionary Developmental Biology
Evolutionary developmental biology ("evo-devo") reveals one of biology's most profound discoveries: the same small set of "toolkit" genes (Hox, Pax6, Sonic hedgehog, BMP, Wnt, etc.) controls body plan development across
S_4_10 — Space Elevators and Advanced Launch Technology
Space access remains the fundamental bottleneck for space development — current chemical rockets achieve orbit at $1,500–$5,000/kg to low Earth orbit (SpaceX Falcon 9, ~$2,700/kg; Starship aims for <$100/kg but is unprov
V_2_12 — Algebraic Geometry
Algebraic geometry — the study of geometric objects defined by polynomial equations — is one of the most central and technically demanding branches of modern mathematics, connecting algebra, geometry, topology, and numbe
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