Where does lapse collide?

In clinical psychology, within relapse-prevention models of addiction, a lapse is a single, discrete instance of the target behaviour after a period of abstinence (one drink, one cigarette), kept conceptually separate from a relapse, which is a full return to the prior pattern. The distinction matters because treating a lapse as a catastrophe, the so-called abstinence-violation effect, can itself drive the slide into relapse. Witkiewitz and Marlatt's 2004 Relapse prevention for alcohol and drug problems sets out this framework. The referent is a bounded behavioural slip within a recovery process, and it shares only the word with a cooling atmosphere or a cancelled insurance policy.[1]

Unit

A single discrete return to the target behaviour after a period of abstinence

Recovery means

A lapse need not become a relapse; relapse-prevention aims to keep a single slip from escalating into a full return

Measured by

Identified in self-report, timeline follow-back, or diary data as a discrete slip, distinguished from sustained relapse

In atmospheric science the lapse rate is the rate at which air temperature falls with increasing altitude. The environmental lapse rate describes the actual vertical profile of a given atmosphere, while the dry and saturated adiabatic lapse rates give the cooling a rising parcel of air undergoes as it expands; comparing the two is how meteorologists judge whether the atmosphere is stable or primed for convection. Wallace and Hobbs's Atmospheric science: An introductory survey develops the lapse rate and its role in stability. The referent is a vertical temperature gradient in the air, measured in degrees per kilometre, and it has nothing in common with an insurance policy ending or an addict's single slip beyond the shared root meaning of falling away.[2]

Unit

The fall of temperature per unit of altitude (e.g. °C per km)

Recovery means

Not applicable

Measured by

Measured from radiosonde or aircraft temperature profiles as the slope of temperature against height

In insurance and actuarial science, a lapse is the termination of a policy before maturity because the policyholder stops paying premiums, forfeiting cover and often much of the accumulated value. Lapse behaviour is central to pricing and reserving, because an insurer must anticipate how many policies will lapse and when. Fang and Kung's 2021 Why do life insurance policyholders lapse? models lapsing as a response to income, health, and bequest-motive shocks. The referent is the discontinuation of a contract, tracked as a lapse rate across a book of business, and it is unrelated to a temperature gradient or a behavioural slip apart from the shared meaning of lapsing.[3]

Unit

The fraction of in-force policies that terminate for non-payment over a period

Recovery means

Many lapsed policies can be reinstated within a grace or reinstatement window on payment of the arrears

Measured by

Measured as the lapse (or persistency) rate from in-force and termination counts in an insurer's book

In human factors, lapse refers to an error of memory in which a person forgets an intended action or loses their place, one of Reason's types of unsafe act. This meaning comes from Reason (1990) in Human Error.[4]

Unit

Recovery means

Measured by