Light-deprived

Light-deprived describes a condition or environment lacking sufficient exposure to natural or artificial light. This deficiency can significantly impact biological processes in plants and animals, altering growth, behavior, and overall health. It can also describe sensory experiences where visual input is severely limited, leading to perceptual changes or hallucinations. The term implies a state of insufficient illumination, causing a disruption of normal functioning related to light-dependent processes. Environments may be intentionally light-deprived for specific purposes like controlled plant growth or unintentionally due to poor design or natural phenomena like extended periods of darkness.

Light-deprived meaning with examples

• The experimental seedlings were light-deprived for two weeks to study the effects of etiolation on their growth patterns. They showed elongated stems and pale leaves as a result of the absence of sunlight. This manipulation was carefully controlled, ensuring the plants had sufficient nutrients and water to survive this period and observing their development.
• Following the extended power outage, the neighborhood experienced a light-deprived atmosphere. Homes and streets were plunged into near darkness, and residents relied on flashlights and candles. This caused anxiety for many, who found the lack of light disorienting and unsettling and were glad when the lights came back on.
• Arctic animals, adapted to months of light-deprived conditions, exhibit unique physiological adaptations. Their circadian rhythms are often less pronounced and their behavior varies in order to survive. They can efficiently use available light when present. This ability contrasts sharply with the experiences of animals from more temperate climates.
• The sensory deprivation chamber offered a light-deprived experience to participants. The complete darkness, combined with the absence of sound, was used to study the impact on brain activity. Some experienced visual illusions, and reported changes to their sense of time and space within the darkened room.