Table 1.

Overview of findings in actigraphy studies in the field of psychiatry

	Dementia	SCHZ	BD	MDD	ASD	ADHD	ED	PTSD
Motor activity	Daytime activity ↓ [82]	Total activity ↓ [83]	Total activity ↓ [83] Variability of motor activity↑ [9•] Less robust rhythm of motor activity in mania [84] Total activity ↓ in depression [85]	Total activity ↓ [86]	Nighttime movements ↑ [87] Night-to-night variability ↑ [87]	Total activity ↑ [88, 89]	Daily physical activity ↓ in BED [90]
Nonparametric analysis	RA↓[82] IV↑[82] IS↓[82]	RA ↔ [83] IV ↔ [83] IS ↔ [83]	RA ↔ [83] IV ↔ [83] IS ↔ [83]	RA ↔ [91] IV ↔ [91] IS ↔ [91]		RA ↔ [92] IV↓ [92] IS↑ [92]	IV ↔ in BED [93] IS↑ in BED [93]	RA↓ [94] IV ↔ [94] IS↓ [94]
CR analysis	Amplitude ↓ [82]	Disrupted [83]	Disrupted [83] Delayed [22]	MESOR ↓[22] Delayed (in antidepressant use) [22]	Delayed [22]	Delayed in adult ADHD [22]	Delayed [95] MESOR ↓ in BED [90, 93] Amplitude ↓ in BED [90, 93]
Graphical observation		Non-24-h-rhythms [96]	Non-24-h-rhythms Irregular phasing [10]		Delayed [97]	Delayed in adult ADHD [98]	Irregular eating patterns [95]

SCHZ schizophrenia, BD bipolar disorder, MDD major depressive disorder, ASD autism spectrum disorder, ADHD attention-deficit hyperactivity disorder, ED eating disorder, BED binge eating disorder, PTSD post-traumatic stress disorder, CR circadian rhythm, RA relative amplitude, IS inter-daily stability, IV intra-daily variability, MESOR midline estimating statistic of rhythm Symbols: ↑ increased; ↓ decreased; ↔ unchanged