This would be an unreliable narrator.
The literary device you are referring to is an unreliable narrator. This narrator's credibility is called into question due to their compromised perspective, which can result from a variety of reasons such as mental instability, personal biases, or intentional deceit. Readers must critically assess the information presented by an unreliable narrator to uncover the truth of the narrative.
The biopsychosocial perspective emphasizes the interaction of biological, psychological, and social factors in behavior. This perspective recognizes that behavior is influenced by processes in the brain and body, as well as by individual psychological traits and the social environment.
Psychological perspective sees crime primarily as problem of behavior. This is also regarded as a type of social maladjustment in the society.
from the psychological perspective, you can look view individual behviour either from their personality, cognitive perspective or from the way they compare themselves to others.
I understand sensation from a Psychological and an Economic perspective
The evolutionary perspective highlights the reproductive advantages of inherited psychological traits. It focuses on how certain psychological traits may have been passed down through generations due to their beneficial effects on survival and reproduction.
Sociological emphasizes how society interacts/relates to situation. Psychological looks at individual perspectives on matters
The perspective you are referring to is the psychological perspective of criminology. This perspective focuses on individual factors such as personality traits, mental disorders, and socialization experiences to explain criminal behavior. It suggests that individuals who engage in offensive and deviant behavior do so because of underlying psychological issues or deficits.
experimental
Neuroscience. This perspective examines how brain structures and functions influence behavior, emotions, thoughts, and other psychological processes. Neuroscientists use techniques such as brain imaging and electrophysiology to explore these relationships.
The interactionist perspective is most directly concerned with assessing the relative influence of both nature (genetics) and nurture (environment) on psychological traits. This perspective emphasizes that both factors interact to shape an individual's behavior and characteristics.
The psychological perspective for placebos emphasizes the role of beliefs and expectations in shaping treatment outcomes. Placebo effects occur when a person's belief in a treatment's effectiveness leads to an improvement in symptoms, even though the treatment itself is inactive. Psychological factors such as conditioning, suggestibility, and the patient-provider relationship are thought to play a significant role in mediating these effects.
Psychoanalytic/psychodynamic perspective