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Table 1 Overview of outcomes, outcome measures, instruments and assessment time points

From: Promoting neuroplasticity and neuropsychological functioning in frailty through an app-based sensorimotor training: study protocol for a randomized trial

Outcomes

Outcome measures

Instruments

Assessment time points

Personal information

• Age, sex, education, clinical history, medication

• Self reports

• T0, T1, T2

Frailty assessments

• Frailty status (pre-frail, frail)

• Frailty Index

• Frailty Phenotype

• Frailty Index

• T0, T1, T2

• T0, T1, T2

Brain plasticity in the sensorimotor and somatosensory system

• Structural and functional parameters of cortical sensorimotor and somatosensory maps

• MEP peak-to-peak amplitude and latency

• fMRI motor sequence task, fMRI somato-sensory mapping task

• TMS at left primary motor cortex

• T0, T1

• T0, T1

Biological markers of neuroplasticity

• BDNF serum blood levels (ng/ml)

• Collection of blood samples

• T0, T1

Sensorimotor performance

• SPPB (total score)

• CTSIB (total score)

• PPT (means)

• SPPB

• CTSIB

• PPT

• T0, T1, T2

• T0, T1

• T0, T1, T2

Sensory functioning

• Visual acuity

• Visual contrast sensitivity

• Tactile grating thresholds

• Fine-touch thresholds

• Hearing thresholds

• FrACT

• FrACT

• JVP domes

• Von-Frey filaments

• Audiometer

• T0, T1, T2

• T0, T1, T2

• T0, T1, T2

• T0, T1

• T0, T1

Cognitive testing

• MMSE (total score)

• Mental and motor response speed

• Top-down attentional control

• Visuospatial working memory capacity

• Executive functioning

• MMSE

• RTI

• AST

• SSP

• IED

• T0, T1, T2

• T0, T1

• T0, T1, T2

• T0, T1

• T0, T1

Functional level and quality of life

• Functional level in frailty

• Depression

• Overall health status and quality of life

• Functional capacity in everyday activities

• Falls self-efficacy

• Nutritional status

• FEFA

• CES-D

• SF-36, EQ-5D-5L

• MKS

• FES-I

• MNA

• T0, T1, T2

• T0, T1

• T0, T1, T2

• T0, T1

• T0, T1, T2

• T0, T1

  1. AST Attention Switching Task, BDNF Brain-derived neurotrophic factor, CES-D Center for Epidemiologic Studies Depression Scale, CTSIB Clinical Test of Sensory Integration of Balance, EQ-5D-5L EuroQol-5D-5L, FEFA Frail Elderly Functional Assessment, FES-I Falls Efficacy Scale – International Version, fMRI Functional magnetic resonance imaging, FrACT Freiburg Vision Test, IED Intra-Extra Dimensional Set Shift, MEP Motor-evoked potential, MKS Marburg Competency Scale (Marburger Kompetenz Skala), MMSE Mini Mental State Examination, MNA Mini Nutritional Assessment, PPT Purdue Pegboard Test, RTI Reaction Time, SF-36 Short Form-36 Health Survey, SPPB Short Physical Performance Battery, SSP Spatial Span, T0 Baseline assessment, T1 Assessment 1 after 60 days, T2 Assessment 2 after 90 days, TMS Transcranial magnetic stimulation