Definition

1. Noun:
   • The process of making an organism sensitive to a substance, typically through repeated exposure: In immunology, this refers to the process by which an organism develops an increased or allergic reaction to an antigen after an initial exposure.
   • The process of becoming highly responsive to specific stimuli: In psychology, this denotes the process of becoming acutely sensitive or reactive to particular events, situations, or emotional triggers.
   • The condition of being sensitive: The state of having heightened sensitivity or responsiveness to a specific agent or stimulus.

Usage Examples

• Noun:
  • The sensitisation to pollen can lead to severe hay fever symptoms. (The process of becoming allergic to pollen can lead to severe hay fever symptoms.)
  • Therapy addressed the patient's sensitisation to loud noises following the traumatic event. (Therapy addressed the patient's process of becoming highly sensitive to loud noises following the traumatic event.)
  • The sensitisation of the skin to sunlight is a common side effect of this medication. (The state of the skin being sensitive to sunlight is a common side effect of this medication.)

Advanced Usage

• "Behavioral sensitisation": In neuroscience and psychology, this refers to the increased response to a stimulus (often a drug) following its repeated administration.

  • Repeated use of the substance led to behavioral sensitisation, amplifying its psychomotor effects.

• "Central sensitisation": A condition of the nervous system associated with the development and maintenance of chronic pain, where neurons become hyper-responsive.

  • The chronic pain is believed to be due to central sensitisation in the spinal cord.

Variants and Related Words

• Sensitise (Verb, chiefly British English): To make sensitive or aware. The American English spelling is sensitize.

  • The campaign aims to sensitise the public to environmental issues.

• Desensitisation (Noun): The process of making less sensitive.

  • Desensitisation therapy helps reduce allergic reactions.

• Hypersensitisation (Noun): The act of inducing an excessively sensitive state.

  • Hypersensitisation to the drug was a concern.

Synonyms

• Sensitizing: The act of making sensitive.
• Allergisation: The process of becoming allergic (specific to immunological context).
• Heightened awareness: Increased sensitivity or consciousness (general/psychological context).

Related Phrases

• Sensitisation period: The time during which sensitivity is developed.

  • The sensitisation period for this allergy can be several years.

• Sensitisation phase: A stage in an immune or psychological process where sensitivity is acquired.

  • The initial exposure marks the beginning of the sensitisation phase.

Related Idioms

Note: As a technical term, "sensitisation" is not commonly used in idiomatic expressions. Its usage is primarily confined to scientific, medical, and psychological contexts.

Noun

1. rendering an organism sensitive to a serum by a series of injections
2. (psychology) the process of becoming highly sensitive to specific events or situations (especially emotional events or situations)
3. the state of being sensitive (as to an antigen)