Robert resolved to start helping his partner with housekeeping chores after work and, at first, his partner regularly expressed his gratitude. Over time, however, these expressions of gratitude became less frequent and eventually ceased, and shortly thereafter, Robert's assistance with chores also ceased. This is the process of.

extinction                        

Explanation:

Extinction: In psychology, the term "extinction" is described as one of the learning processes in which gradual decrease or weakening in a particular response related to a "conditioned stimulus" occurs when that particular stimulus is being presented in the absence of any reinforcement. During the extinction process, an entirely new connection with the specific stimulus is being learned that generally inhibits the "expression" of the original memory.

In the question above, the given statement signifies the extinction process.

disorders of the brain include both behavior disorders and other psychiatric illnesses. the primary difference between a behavior disorder and another type of psychiatric disorder is the presence of choice. psychiatric conditions are considered to be involuntary while in behavior disorders, choices are essential.

answer; automatic fire suppression system;