Reinforcement and aggression | Horizon

Are Video Games Really That Bad? | Horizon

Horizon explores the differing opinions on video games. They frequently stand accused of causing violence and addiction in young p...

Brain injuries and aggression | Horizon

An example of how brain injuries can lead to changes in personality and increased aggression.

How Violent Are You? | Horizon

What makes ordinary people commit extreme acts of violence? Michael Portillo investigates the dark side of human nature and discovers what it ...

Imitation of aggression | The Brain: A Secret History

Bandura's work challenged views of the time and showed that aggression is often imitated.

Milgram's obedience study | Horizon

Watch a modern replication of Milgram's famous obedience study and see how the participants react to the situation.

The Waldrup case (1) | Horizon

Jim Fallon explains the link between biology and violent criminal behaviour in terms of brain damage and the role of the MAOA gene.

The Waldrup case (2) | Horizon

The Waldrup case - the first time that the gene-environment interaction was used as a defence strategy for murder.

Video games and aggression | Horizon

Levels of aggression have been shown to increase after playing violent video games.

Video games and attention | Horizon

Professor Daphne Bavelier is researching how playing video games can actually enhance visual attention in the real world.

Video games and plasticity | Horizon

Playing video games can lead to brain plasticity and improve navigation.

Video games and violent crime | Horizon

Levels of violent crime have been steadily declining since the introduction of video games.