MovAlyzeR

Last updated
MovAlyzeR
Developer(s) NeuroScript
Stable release
6.1 / July 27, 2010;12 years ago (2010-07-27)
Written in C++
Operating system Microsoft Windows
Type Handwriting Movement Analysis
License Proprietary EULA
Website www.neuroscript.net/movalyzer.php

MovAlyzeR is a software package for handwriting movement analysis for research and professional applications. Handwriting movements are recorded using a digitizing tablet connected to a computer. MovAlyzeR is used in many different fields ranging from research in kinesiology, psychology, education, geriatrics, neurology, psychiatry, occupational therapy, forensic document examination or questioned document examination, computer science, to educational demonstrations or student projects in these fields.

Contents

Features

MovAlyzeR can be customized for many different pen-movement tests, including goal-directed movements, drawing and handwriting up to a full page of text. It can also process scanned handwriting images for use in, e.g., forensic document examination. Immediately after each trial, consistency with the required pen-movement task is verified so that the user can decide to correct or redo a trial. MovAlyzeR can generate animated audiovisual stimuli which can be edited using its Stimulus Editor.

MovAlyzeRx has the same capability as MovAlyzeR except altering a test. It is designed for medical professionals (hence Rx). The user interface is as simple as possible. No left-clicks are required. The screen layout can be customized. To start testing, just type the patient or participant code.

ScriptAlyzeR handwriting analysis software, is a sub-package of MovAlyzeR excluding visual stimuli and sub-movement analysis.

GripAlyzeR is another flavor of MovAlyzeR for bi-manual force coordination using dedicated hardware: Two grip-force units connected via a magnet of programmable force.

History

The original code of the software was the result of many years of research in handwriting movements. At the core of the software, the signal analysis algorithms that are used have been developed since 1976 when Dr. Hans-Leo Teulings conducted research into the development of handwriting motor control in children in comparison to children with developmental disorders at the Department of Experimental Psychology at the University of Nijmegen (KUN), in The Netherlands. The department became part of the Nijmegen Institute for Cognition and Information (NICI) and eventually the Centre for Cognition at the Radboud University Nijmegen (RU).

These signal analysis algorithms were originally coded in Fortran on Digital's PDP11/34 laboratory computers with 54kB of memory. The algorithms use a complex Fast Fourier Transform (FFT) to transform both the x and y signals into frequency domain. This allows low-pass filtering and differentiation with zero-phase and ripple free filtering of both x and y signals simultaneously (Teulings & Maarse, 1984).

The software was expanded and transcribed into plain C during the European ESPRIT projects: P419 "Image and Movement Understanding -- IMU" on Cursive-script recognition (1985–1988) and ESPRIT project P5204 "Pen And Paper Input Recognition Using Script – PAPYRUS (1991–1992).

The software was developed further at the Motor Control Laboratory of Arizona State University, USA (1993–1997) for research on Parkinson's disease and aging.

In 1997, NeuroScript was founded by Dr. Hans-Leo Teulings and Prof. George Stelmach (who has since retired) as a result of a National Institutes of Health (NIH) Small Business and Innovation Research (SBIR) Phase I grant (R43 RR11683: Analysis system for fine motor control) to conduct a feasibility study into the feasibility of a general purpose handwriting movement analysis system for research.

In 1999, an SBIR Phase II grant was awarded to NeuroScript (R44 RR11683 Analysis system for fine motor control). The aim was to develop this system into a usable product. The result: the MovAlyzeR software was born - named, designed and implemented by Gregory M. Baker who joined NeuroScript in 1999.

In 2002, NeuroScript received an SBIR Phase II grant (R44 NS39212 Force measurement and analysis system). This enabled NeuroScript to generalize MovAlyzeR for bi-manual force coordination: GripAlyzeR. Instead of x and y movement components and axial pen pressure, GripAlyzeR used left and right grip forces and a lift force.

In 2002 NeuroScript received another Phase II grant (R44 NS38793: Optimization software for goal-directed movements). MovAlyzeR was expanded with interactive and animated audio-visual stimuli and sub-movement analysis.

In 2006, a Phase II grant was awarded (R44 MH073192: Movement Analysis to Monitor Medication). MovAlyzeR was tested in several major clinics where hundreds of patients were tested for movement side effects due to schizophrenia medication in addition to conventional clinical evaluation (SAEPS - Simpson-Angus Scale for Extrapyramidal Symptoms and parkinsonism, AIMS – Abnormal Involuntary Movement Scale for tardive dyskinesia, BARS – Barnes Akathisia Rating Scale). Results demonstrated that MovAlyzeR measurements were more sensitive for dosage and medication type than the conventional clinical evaluations.

Versions

Ext.Explanation
.hwr .hwr files contain x and y tablet coordinates and axial pen pressure. Data can also include azimuth and altitude angles of the pen barrel relative to the digitizer tablet.
.mef.mef files are MovAlyzeR Export Files with a complete experiment plus raw data and privacy-protected subject data using data encryption plus password protection. Only MovAlyzeR can open these files.

Comparable software

CSWIN by Science and Motion, OASIS by KikoSoft, Pullman Spiral Acquisition and Analysis by Lafayette, NeuroSkill by Verifax, COMpet by University of Haifa, MedDraw by Universities of Kent and Rouen.

See also

Related Research Articles

<span class="mw-page-title-main">Putamen</span> Round structure at the base of the forebrain

The putamen is a round structure located at the base of the forebrain (telencephalon). The putamen and caudate nucleus together form the dorsal striatum. It is also one of the structures that compose the basal nuclei. Through various pathways, the putamen is connected to the substantia nigra, the globus pallidus, the claustrum, and the thalamus, in addition to many regions of the cerebral cortex. A primary function of the putamen is to regulate movements at various stages and influence various types of learning. It employs GABA, acetylcholine, and enkephalin to perform its functions. The putamen also plays a role in degenerative neurological disorders, such as Parkinson's disease.

<span class="mw-page-title-main">Optical character recognition</span> Computer recognition of visual text

Optical character recognition or optical character reader (OCR) is the electronic or mechanical conversion of images of typed, handwritten or printed text into machine-encoded text, whether from a scanned document, a photo of a document, a scene-photo or from subtitle text superimposed on an image.

<span class="mw-page-title-main">Penmanship</span> Technique of writing with the hand

Penmanship is the technique of writing with the hand using a writing instrument. Today, this is most commonly done with a pen, or pencil, but throughout history has included many different implements. The various generic and formal historical styles of writing are called "hands" while an individual's style of penmanship is referred to as "handwriting".

<span class="mw-page-title-main">Handwriting recognition</span> Ability of a computer to receive and interpret intelligible handwritten input

Handwriting recognition (HWR), also known as handwritten text recognition (HTR), is the ability of a computer to receive and interpret intelligible handwritten input from sources such as paper documents, photographs, touch-screens and other devices. The image of the written text may be sensed "off line" from a piece of paper by optical scanning or intelligent word recognition. Alternatively, the movements of the pen tip may be sensed "on line", for example by a pen-based computer screen surface, a generally easier task as there are more clues available. A handwriting recognition system handles formatting, performs correct segmentation into characters, and finds the most plausible words.

<span class="mw-page-title-main">Handwriting</span> Writing created by a person with a writing implement

Handwriting is the writing done with a writing instrument, such as a pen or pencil, in the hand. Handwriting includes both printing and cursive styles and is separate from formal calligraphy or typeface. Because each person's handwriting is unique and different, it can be used to verify a document's writer. The deterioration of a person's handwriting is also a symptom or result of several different diseases. The inability to produce clear and coherent handwriting is also known as dysgraphia.

In psychology, the Stroop effect is the delay in reaction time between congruent and incongruent stimuli.

Dysgraphia is a learning disability of written expression, that affects the ability to write, primarily handwriting, but also coherence. It is a specific learning disability (SLD) as well as a transcription disability, meaning that it is a writing disorder associated with impaired handwriting, orthographic coding and finger sequencing. It often overlaps with other learning disabilities and neurodevelopmental disorders such as speech impairment, attention deficit hyperactivity disorder (ADHD) or developmental coordination disorder (DCD).

Posturography is the technique used to quantify postural control in upright stance in either static or dynamic conditions. Among them, Computerized dynamic posturography (CDP), also called test of balance (TOB), is a non-invasive specialized clinical assessment technique used to quantify the central nervous system adaptive mechanisms involved in the control of posture and balance, both in normal and abnormal conditions. Due to the complex interactions among sensory, motor, and central processes involved in posture and balance, CDP requires different protocols in order to differentiate among the many defects and impairments which may affect the patient's posture control system. Thus, CDP challenges it by using several combinations of visual and support surface stimuli and parameters.

Graphonomics is the interdisciplinary field directed towards the scientific analysis of the handwriting process, product, and other graphic skills.,

Motor coordination is the orchestrated movement of multiple body parts as required to accomplish intended actions, like walking. This coordination is achieved by adjusting kinematic and kinetic parameters associated with each body part involved in the intended movement. The modifications of these parameters typically relies on sensory feedback from one or more sensory modalities, such as proprioception and vision.

Eye–hand coordination is the coordinated control of eye movement with hand movement and the processing of visual input to guide reaching and grasping along with the use of proprioception of the hands to guide the eyes. Eye–hand coordination has been studied in activities as diverse as the movement of solid objects such as wooden blocks, archery, sporting performance, music reading, computer gaming, copy-typing, and even tea-making. It is part of the mechanisms of performing everyday tasks; in its absence, most people would be unable to carry out even the simplest of actions such as picking up a book from a table.

<span class="mw-page-title-main">Efference copy</span>

In physiology, an efference copy or efferent copy is an internal copy of an outflowing (efferent), movement-producing signal generated by an organism's motor system. It can be collated with the (reafferent) sensory input that results from the agent's movement, enabling a comparison of actual movement with desired movement, and a shielding of perception from particular self-induced effects on the sensory input to achieve perceptual stability. Together with internal models, efference copies can serve to enable the brain to predict the effects of an action.

<span class="mw-page-title-main">Electroencephalography</span> Electrophysiological monitoring method to record electrical activity of the brain

Electroencephalography (EEG) is a method to record an electrogram of the spontaneous electrical activity of the brain. The biosignals detected by EEG have been shown to represent the postsynaptic potentials of pyramidal neurons in the neocortex and allocortex. It is typically non-invasive, with the EEG electrodes placed along the scalp using the International 10-20 system, or variations of it. Electrocorticography, involving surgical placement of electrodes, is sometimes called "intracranial EEG". Clinical interpretation of EEG recordings is most often performed by visual inspection of the tracing or quantitative EEG analysis.

Handwriting movement analysis is the study and analysis of the movements involved in handwriting and drawing. It forms an important part of graphonomics, which became established after the "International Workshop on Handwriting Movement Analysis" in 1982 in Nijmegen, The Netherlands. It would become the first of a continuing series of International Graphonomics Conferences. The first graphonomics milestone was Thomassen, Keuss, Van Galen, Grootveld (1983).

<span class="mw-page-title-main">Neuroscience of free will</span>

Neuroscience of free will, a part of neurophilosophy, is the study of topics related to free will using neuroscience, and the analysis of how findings from such studies may impact the free will debate.

Fine motor skill is the coordination of small muscles in movement with the eyes, hands and fingers. The complex levels of manual dexterity that humans exhibit can be related to the nervous system. Fine motor skills aid in the growth of intelligence and develop continuously throughout the stages of human development.

Sensory-motor coupling is the coupling or integration of the sensory system and motor system. Sensorimotor integration is not a static process. For a given stimulus, there is no one single motor command. "Neural responses at almost every stage of a sensorimotor pathway are modified at short and long timescales by biophysical and synaptic processes, recurrent and feedback connections, and learning, as well as many other internal and external variables".

Brain connectivity estimators represent patterns of links in the brain. Connectivity can be considered at different levels of the brain's organisation: from neurons, to neural assemblies and brain structures. Brain connectivity involves different concepts such as: neuroanatomical or structural connectivity, functional connectivity and effective connectivity.

Dynamic causal modeling (DCM) is a framework for specifying models, fitting them to data and comparing their evidence using Bayesian model comparison. It uses nonlinear state-space models in continuous time, specified using stochastic or ordinary differential equations. DCM was initially developed for testing hypotheses about neural dynamics. In this setting, differential equations describe the interaction of neural populations, which directly or indirectly give rise to functional neuroimaging data e.g., functional magnetic resonance imaging (fMRI), magnetoencephalography (MEG) or electroencephalography (EEG). Parameters in these models quantify the directed influences or effective connectivity among neuronal populations, which are estimated from the data using Bayesian statistical methods.

<span class="mw-page-title-main">Diversified Technical Systems</span> Data Technology Systems manufacturer in America

DTS is an American manufacturer of miniature, rugged, data acquisition systems and sensors for product and safety testing in extreme environments. DTS products, made in the U.S., are used in multiple industries including automotive, aerospace, military and defense, industrial, and sports and injury biomechanics. DTS was founded in 1990 by three crash test engineers: Mike Beckage, Steve Pruitt, and Tim Kippen. The company is headquartered in Seal Beach, California, with technical centers in Michigan, Europe, Japan, China, Korea, and Asia Pacific.