Constraint: no universal biomarker

Constraint · B · cross-pop

Simple eye-neglect account constrained

Constraint · B · cross-pop

Callous-unemotional traits

Construct · A/B · developmental

Heterogeneity / equifinality

Construct · B · cross-pop

VR emotion elicitation environment

Intervention · A · young adult

Attention / gaze

Mechanism · A/B · cross-pop

Autonomic regulation

Mechanism · B/C · cross-pop

Emotion recognition

Mechanism · A/B · cross-pop

Fear/threat reactivity

Mechanism · A/B · cross-pop

Multidimensional psychophysiology of psychopathic traits

Study · B · young adult

Primary/secondary juvenile psychopathy startle study

Study · B · adolescence-forensic

Cross-age neurophysiological heterogeneity study

Study · B · child+young adult

2019 Psychophysiology meta-analysis

Study · B · child/adolescent

2019 VR fear elicitation

Study · A · young adult

Eye gaze and emotion recognition in CU variants

Study · B · young adult

Childhood psychophysiology of psychopathic dimensions

Study · B · child

Preschool facial reactions in conduct problems

Study · B · early-child

Multi-method CU emotional-attention study

Study · B · clinic-referred-child