Alleviating social avoidance: effects of single dose testosterone administration on approach-avoidance action

Area of Science:

• Neuroendocrinology
• Social Neuroscience
• Behavioral Endocrinology

Background:

• Testosterone influences social-motivational behavior, including dominance and social anxiety reduction.
• Limited research exists on testosterone's causal impact on human social approach-avoidance behavior.

Purpose of the Study:

• To investigate the effects of testosterone administration on social approach-avoidance behavior in healthy females.
• To utilize an objective implicit measure to assess behavioral responses to emotional social stimuli.

Main Methods:

• Healthy female volunteers received a single dose of testosterone.
• The Social Approach-Avoidance Task, a reaction time measure, assessed responses to happy, angry, and neutral faces.
• Behavioral tendencies to approach or avoid social cues were analyzed.

Main Results:

• Testosterone administration significantly decreased avoidance tendencies towards angry (threat) faces.
• No significant effects were observed on approach-avoidance tendencies towards happy (affiliation) faces.
• Findings suggest testosterone modulates automatic threat avoidance.

Conclusions:

• A single testosterone dose reduces automatic avoidance of social threat in healthy females.
• Testosterone administration may increase relative threat approach tendencies.
• Results enhance understanding of neuroendocrine regulation of social behavior and inform potential treatments for social anxiety.