Psychoanalysis, developed by Sigmund Freud, delves into the unconscious mind and its impact on behavior, making it a prominent theory in films that explore hidden desires and conflicts.

Psychodynamic Theory, rooted in psychoanalysis, emphasizes the role of unconscious motivations and past experiences in shaping behavior, which is relevant to understanding the minds of serial killers.

In '12 Angry Men,' the jury members experience cognitive dissonance as they grapple with their initial biases and conflicting evidence, leading to a transformation in their beliefs.

Social Identity Theory posits that individuals' self-concept is influenced by their membership in social groups and the expectations associated with those groups, as seen in Truman's conformity to the artificial reality.

In 'Memento,' the protagonist's short-term memory loss due to trauma leads to a fragmented sense of self and a struggle to piece together his reality, reflecting the psychological impact of trauma.

Moral Disengagement refers to the psychological process by which individuals justify unethical or immoral behavior, as seen in the Joker's manipulation of Dent, leading to his transformation into Two-Face.

In 'Cast Away,' the protagonist's isolation on a deserted island leads to psychological distress, hallucinations, and a struggle to maintain his sanity, highlighting the impact of isolation on the human psyche.

Achievement Motivation refers to the desire to excel and achieve success, often driven by internal factors such as a sense of accomplishment, as seen in Zuckerberg's relentless pursuit of success.

In 'The Big Short,' the characters' confirmation bias leads them to ignore evidence that contradicts their belief in the housing market's stability, resulting in disastrous consequences.

Operant Conditioning, based on the principle of reinforcement and punishment, is evident in the teacher's use of harsh criticism and manipulation to shape the student's behavior.

In 'One Flew Over the Cuckoo's Nest,' the patients in the mental institution exhibit learned helplessness due to their oppressive environment and lack of control, leading to a sense of resignation.

In 'The Shining,' Jack Torrance's isolation at the Overlook Hotel, his history of childhood trauma, and his struggle with alcoholism all contribute to his psychological deterioration and violent behavior.

The Kitty Genovese Case highlights the bystander effect, where multiple witnesses failed to intervene or call for help during a prolonged attack, demonstrating the influence of social dynamics on individual behavior.

In 'Eternal Sunshine of the Spotless Mind,' the characters' decision to erase memories of their relationship involves elements of repression, cognitive dissonance, and selective memory, highlighting the complex interplay between psychology and human relationships.

In '12 Angry Men,' the jury members experience cognitive dissonance as they grapple with their initial biases and conflicting evidence, leading to a transformation in their beliefs.