Article 2 autonomic nervous system 2 female 2 human 2 impedance cardiography male 2 pre-ejection period 2 respiratory sinus arrhythmia 2 Adolescent 1 Adult 1 Attention-deficit/hyperactivity disorder 1 Autonomic Nervous System 1 Autonomic reactivity 1 Cardiac autonomic balance 1 Cardiac autonomic regulation 1 Depression 1 Emotion regulation 1 Heart Rate 1 Humans 1 Male 1 Parasympathetic Nervous System 1 Parasympathetic nervous system 1 Parenting 1 Respiratory Sinus Arrhythmia 1 Reward 1 Sympathetic Nervous System 1 Sympathetic nervous system 1 Young Adult 1 adolescent 1 adrenergic system 1