Causes of a brachial plexus injury. Brachial plexus injury (BPI) is an umbrella term for a variety of conditions that may impair function of the brachial plexus nerve network. The majority of pediatric and adult brachial plexus injuries are caused by trauma. The most common inciting events may include:auses of a brachial plexus injury. Brachial plexus injury (BPI) is an umbrella term for a variety of conditions that may impair function of the brachial plexus nerve network. The majority of pediatric and adult brachial plexus injuries are caused by trauma. The most common inciting events may include:
frustration meaning, definition, what is frustration: the feeling of being annoyed or less confident because you cannot achieve what you wantâ¦. Learn more.
According to this view, frustration, which is defined as the state that emerges when circumstances interfere with a goal response, often leads to aggression. 2. In some situations, frustration does augment the likelihood of aggression.rustration does not inevitably result in aggression. It is important to identify the circumstances under which frustration will end in aggression. 1. Berkowitz contends that aggression is the result of an interaction between an internal emotional state and cues that are available in the environment.