Atypical behavior Psychiatric disturbances Behavioral disorders Behavioural abnormality Behavioral problems SNOMEDCT_US:25786006 UMLS:C0233514 Behavioural/Psychiatric abnormality Behavioral abnormality Behavioural disturbances HP:0002368 Behavioral symptoms UMLS:C0004941 Behavioural problems Behavioural disorders Psychiatric disorders Behavioral changes Behavioral disturbances Behavioural symptoms SNOMEDCT_US:277843001 HP:0000715 Atypical behaviors should include or directly affect observable actions. While behavioral disorders often encompass abnormal thoughts, feelings, perceptions, or other cognitions, these alone would not be considered atypical behavioral features. HP:0002456 Behavioural changes Atypical behavior is an abnormality in a person's actions that can be controlled or modulated by the will of the individual. While abnormal behaviors can be difficult to control, they are distinct from other abnormal actions that cannot be affected by the individual's will. Behavioral/psychiatric abnormalities Abnormality of mental function