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A Pauli-string representation is a tensor product of single-qubit Pauli operators (I, X, Y, Z) acting on a multi-qubit system, written compactly as a text string like XYZ or with a coefficient like -iZIZ. It is widely used in quantum computing to represent observables, gates, and spin Hamiltonians efficiently without Read more

A state-space representation is a mathematical model of a physical or dynamic system. It uses input, output, and state variables combined through first-order differential or difference equations, instead of using high-order differential equations

A qubit (short for quantum bit, often spelled “cubit”) is the basic unit of information in quantum computing and quantum math. Unlike a normal computer bit that is always a clear 0 or 1, a qubit can be in a mix of both states at the same time. This mix Read more

A Pauli operator is a set of Pauli matrices (X, Y, Z) plus the identity (I) that act on single-qubit states. They are foundational in quantum mechanics to represent spin observables and in quantum computing to perform basic logic gate operations.

Conscious awareness is the subjective, active experience of perceiving internal thoughts, emotions, and external surroundings. It is the fundamental state of knowing you exist and recognizing what is happening inside your mind and in the world around you. Your individual conscious awareness operates through three distinct brain networks

Informational encapsulation is a core feature of mental modularity where a cognitive or perceptual subsystem operates using only its own internal database. It cannot be affected, updated, or penetrated by general beliefs, desires, or other information elsewhere in the mind.

Domain specificity is a concept in cognitive science and psychology stating that certain parts of the mind or brain are specialized to handle only specific types of information, such as language, faces, or numbers, rather than using a single all-purpose learning system

ACT-R (Adaptive Control of Thought-Rational) is a cognitive architecture developed by John Anderson and Christian Lebiere at Carnegie Mellon University. It serves as a computational framework and theory for simulating human mind operations, breaking down complex tasks into modular, discrete perceptual, cognitive, and motor steps

Near-decomposability is a property of complex systems where interactions within subsystems are much stronger and faster than interactions between subsystems. Introduced by economist and cognitive scientist Herbert Simon, it allows large systems to function, evolve, and be understood without total collapse when one part changes

Psychological functioning is how well a person operates in their mind, handles emotions, and manages daily life and relationships. It covers three main areas: cognitive skills, emotional control, and social adaptation