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Table 1 Overview on studies concerning impulsivity in ADHD and BPD

From: Borderline personality disorder (BPD) and attention deficit hyperactivity disorder (ADHD) revisited – a review-update on common grounds and subtle distinctions

Author Design Population Description Result
Kulacaoglu et al. 2017 [26] Questionnaire study Adult women with BPD (n = 90) and control group (CG, n = 90) Self-ratings of impulsivity with the BIS and of ADHD symptoms with the ASRS. • Higher impulsivity ratings and more ADHD diagnoses in the BPD group
• Correlation between ADHD symptoms and impulsivity score on BIS
• Motor impulsivity (BIS) predicted ADHD symptom score
O’Malley et al. 2016 [11] Neuropsychological laboratory study measuring attentional functioning and impulsivity in form of response inhibition Adults with ADHD (n = 40) and adults with ADHD+BPD (n = 20) Self and informant ratings of impulsivity with BAARS.
Attention was measured with LCT and VE. Response inhibition was measured with HSCT, SNST and MFFT.
• Comorbidity: ADHD < ADHD + BPD
• Intellectual functioning: ADHD > ADHD + BPD
• Impulsivity (informant-rating): ADHD < ADHD+BPD
• Impulsivity (self-rating): ADHD = ADHD+BPD
• Attention problems: ADHD < ADHD+BPD
• Response inhibition: ADHD = ADHD+BPD
Van Dijk et al. 2014 [18] Neuropsychological laboratory study measuring response inhibition Adults with ADHD (n = 14), BPD (n = 12), ADHD+BPD (n = 7) and control subjects (n = 37) Measurement of response inhibition with AX-CPT. • ADHD: slower reaction time in AY-trials
• BPD: more errors, slower reaction time in BX-trials, more errors in BX and AX trials
  1. BIS Barratt Impulsiveness Scale, ASRS Adult ADHD Self-Report Scale, BAARS Barkley Adult ADHD Rating Scale, LCT Letter Cancellation Test, VE Visual Elevator Test, HSCT Hayling Sentence Completion Test, SNST Stroop Neuropsychological Screening Test, MFFT Matching Familiar Figures Test, AX-CPT AX-Continuous Performance Task