Glossary D
Glossary D
Decibel is defined as a unit that indicates the presence of a tone relative to a reference pressure: dB 20 log (p/po) where p is the pressure of the tone and po is the reference pressure.
Deutsch: entziffern / Español: descifrar / Português: decifrar / Français: déchiffrer / Italiano: decifrare
Decipher in psychology refers to the process of interpreting or making sense of complex or unclear information, such as understanding hidden or unconscious meanings, interpreting non-verbal cues, or decoding complex emotional states and behaviours. In this context, deciphering often involves breaking down information that is not immediately obvious, requiring insight, analytical skills, and psychological knowledge to fully grasp.
Deutsch: Entscheidung / Español: decisión / Português: decisão / Français: décision / Italiano: decisione
A decision is generally the choices made around problem areas in organizations , which include: (1) Programmed decisions -the same type of decisions made regularly; (2) Non-programmed decisions - decisions for which there are no previous case and examples to follow; (3) Top-down decisions- are those made at senior levels in the company/organization; and (4) Empowered decisions - are those made at the lowest levels at which decisions can be made.
Decision in the context of psychology refers to the cognitive process of selecting a course of action from among multiple alternatives. It involves perception, Evaluation, reasoning, and judgment, and is influenced by both conscious and unconscious factors. Decision-making is central to human behaviour and is studied in various subfields including cognitive psychology, behavioural economics, and neuropsychology.
Deutsch: Entscheidungserschöpfung, Español: Fatiga de decisión, Português: Fadiga de decisão, Français: Fatigue décisionnelle, Italiano: Affaticamento decisionale
Decision Fatigue is the psychological phenomenon where the quality of decisions made by an individual deteriorates after a long session of decision-making. It's often compared to a muscle being overworked: the mental resource used for executive functions becomes depleted, leading to poorer outcomes.
Decision Fatigue at Bedtime refers to the mental exhaustion experienced when individuals are required to make decisions—such as choosing sleep routines, bedtime rituals, or addressing unresolved tasks—just before sleep. This state can heighten stress, delay sleep onset, and reduce sleep quality, as the brain struggles to transition from active decision-making to rest. It is particularly relevant in modern contexts where pre-sleep activities (e.g., scrolling through options on streaming platforms or planning the next day) demand cognitive effort. The phenomenon aligns with broader ego depletion theory, where willpower and self-control are finite resources that become depleted after prolonged use. Over time, chronic decision fatigue at bedtime may contribute to insomnia or sleep-related anxiety.
Decision making refers to the process(es) by which an individual selects one course of action from among alternatives.