Internet Gaming Disorder is a term used to describe a pattern of excessive and compulsive gaming behavior that disrupts a person's daily life and impairs their functioning. It is recognized as a behavioral addiction related to gaming activities on the internet.

Individuals with Internet Gaming Disorder may exhibit symptoms such as :

• Preoccupation with gaming: Constantly thinking about gaming or planning the next gaming session.
• Withdrawal symptoms: Irritability, restlessness, or moodiness when not able to play games.
• Tolerance: Needing to spend increasing amounts of time playing games to achieve the desired level of excitement or satisfaction.
• Loss of control: Being unable to reduce or stop gaming despite negative consequences.
• Neglecting other activities: Neglecting personal and social obligations, such as work, school, or relationships, due to excessive gaming.
• Continuation despite problems: Persisting with gaming even when it leads to physical or psychological problems.
• Deceiving others: Lying to family, friends, or therapists about the amount of time spent playing games.
• Escape from reality: Using gaming as a way to escape from or cope with problems or negative emotions.

It's important to note that not everyone who engages in extensive gaming has Internet Gaming Disorder. The diagnosis requires a significant impairment in various areas of life due to the excessive gaming behavior.

The exact causes of Internet Gaming Disorder (IGD) are not fully understood, but there are several factors that may contribute to its development. 

These factors can interact with each other and vary from person to person.

Here are some potential causes and contributing factors:

• Psychological factors: Certain psychological traits and conditions may increase the risk of developing IGD. These can include low self-esteem, social anxiety, depression, loneliness, impulsivity, and difficulty coping with stress.
• Reward system activation: Gaming can activate the brain's reward system, releasing dopamine, a neurotransmitter associated with pleasure and motivation. Some individuals may be more susceptible to the rewarding effects of gaming, leading to a greater likelihood of developing IGD.
• Escapism and coping mechanism: For some individuals, gaming may serve as a way to escape from real-life problems, stress, or negative emotions. It can provide a temporary sense of control, achievement, and social interaction, which can be appealing and lead to excessive gaming.
• Social factors: The social aspect of gaming, such as online multiplayer games, virtual communities, and social interactions within the gaming environment, can contribute to the development of IGD. The desire to connect with others, form relationships, and gain recognition among peers can be a strong motivator to engage in excessive gaming.
• Game design and mechanics: Game developers employ various design elements and mechanics, such as rewards, achievements, level progression, and social interaction features, to make games engaging and addictive. Certain games are specifically designed to encourage prolonged play and increase the risk of developing IGD.
• Environmental factors: Environmental influences, such as easy access to gaming devices and the internet, availability of games, social norms surrounding gaming, and peer influence, can contribute to the development of IGD.

It's important to note that while these factors may increase the risk of developing IGD, not everyone exposed to these factors will develop the disorder. The interplay between individual vulnerability, environmental factors, and gaming experiences contributes to the development and severity of IGD.

Complications associated with Internet Gaming Disorder can have various impacts on different aspects of an individual's life. Here are some potential complications:

• Psychological and Emotional Issues: Excessive gaming can lead to various psychological and emotional problems, such as increased levels of anxiety, depression, irritability, and low self-esteem. These issues may arise from social isolation, neglecting other important activities, or difficulty in managing emotions when not gaming.
• Academic or Occupational Problems: Spending excessive time gaming can negatively impact academic or occupational performance. This can result in poor grades, missed deadlines, decreased work productivity, or even job loss. The obsession with gaming may also lead to a lack of motivation for pursuing education or career goals.
• Social Isolation and Relationship Difficulties: Internet Gaming Disorder can contribute to social isolation and difficulties in building or maintaining relationships. Individuals may withdraw from social activities, neglect family and friends, or have conflicts with loved ones due to excessive gaming. This can lead to feelings of loneliness, strained relationships, and a lack of social support.
• Physical Health Concerns: Spending prolonged periods sitting and gaming can have adverse effects on physical health. Lack of physical activity can lead to issues such as obesity, poor posture, muscular problems, and increased risk of cardiovascular diseases. Neglecting personal hygiene, sleep deprivation, and irregular eating patterns are also common among those with IGD.
• Sleep Disorders: Engaging in late-night gaming sessions or prioritizing gaming over sleep can disrupt sleep patterns and contribute to insomnia or other sleep-related disorders. Lack of adequate sleep can further exacerbate the physical and psychological complications associated with IGD.
• Financial Consequences: For individuals who spend substantial amounts of money on in-game purchases, Internet Gaming Disorder can result in financial difficulties or even debt. Gambling-like mechanisms, such as loot boxes or microtransactions, can lead to impulsive spending and financial instability.

It's important to note that the severity and impact of these complications may vary among individuals, and not everyone who engages in excessive gaming will experience all of these issues. However, if you or someone you know is struggling with problematic gaming behavior, seeking help from mental health professionals or support groups specializing in gaming addiction can be beneficial.

If you or someone you know is experiencing problems related to excessive gaming, it is recommended to seek professional help from a mental health professional who specializes in addiction or gaming disorders. They can provide appropriate assessment, diagnosis, and treatment options.