Information Visualization in Medical Informatics Ben Founding Director (1983-2000), Human-Computer Interaction Lab.

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Presentation transcript:

Information Visualization in Medical Informatics Ben Founding Director ( ), Human-Computer Interaction Lab Professor, Department of Computer Science Member, Institute for Advanced Computer Studies University of Maryland College Park, MD 20742

Interdisciplinary research community - Computer Science & Info Studies - Psych, Socio, Poli Sci & MITH (

Design Issues Input devices & strategies Keyboards, pointing devices, voice Direct manipulation Menus, forms, commands Output devices & formats Screens, windows, color, sound Text, tables, graphics Instructions, messages, help Collaboration & Social Media Help, tutorials, training Search Fifth Edition: 2010 Visualization

Information Visualization & Visual Analytics Visual bands Human percle Trend, clus.. Color, size,.. Three challe Meaningful vi Interaction: w Process mo 1999

Information Visualization & Visual Analytics Visual bandwidth is enormous Human perceptual skills are remarkable Trend, cluster, gap, outlier... Color, size, shape, proximity... Three challenges Meaningful visual displays of massive da Interaction: widgets & window coordinati Process models for discovery

Information Visualization & Visual Analytics Visual bandwidth is enormous Human perceptual skills are remarkable Trend, cluster, gap, outlier... Color, size, shape, proximity... Three challenges Meaningful visual displays of massive data Interaction: widgets & window coordination Process models for discovery

Business takes action General Dynamics buys MayaViz Agilent buys GeneSpring Google buys Gapminder Oracle buys Hyperion Microsoft buys Proclarity InfoBuilders buys Advizor Solutions SAP buys (Business Objects buys Xcelsius & Inxight & Crystal Reports ) IBM buys (Cognos buys Celequest) & ILOG TIBCO buys Spotfire

Spotfire: Retinol’s role in embryos & vision

Spotfire: DC natality data

10M - 100M pixels: Large displays

100M-pixels & more

1M-pixels & less Small mobile devices

Information Visualization: Mantra Overview, zoom & filter, details-on-demand

Information Visualization: Data Types 1-D Linear Document Lens, SeeSoft, Info Mural 2-D Map GIS, ArcView, PageMaker, Medical imagery 3-D World CAD, Medical, Molecules, Architecture Multi-Var Spotfire, Tableau, Qliktech, Visual Insight Temporal LifeLines, TimeSearcher, Palantir, DataMontage Tree Cone/Cam/Hyperbolic, SpaceTree, Treemap Network Pajek, UCINet, NodeXL, Gephi, Tom Sawyer InfoViz SciViz. infosthetics.com visualcomplexity.com eagereyes.org flowingdata.com perceptualedge.com datakind.org visual.ly visualizing.org infovis.org

Anscombe’s Quartet 1234 xyxyxyxy

Anscombe’s Quartet 1234 xyxyxyxy PropertyValue Mean of x 9.0 Variance of x11.0 Mean of y 7.5 Variance of y 4.12 Correlation Linear regression y = x

Anscombe’s Quartet

LifeLines: Patient Histories

LifeLines2: Align-Rank-Filter & Summarize

LifeLines2: Align-Rank-Filter & Summarize

LifeFlow: Aggregation Strategy Temporal Categorical Data (4 records) LifeLines2 format Tree of Event Sequences LifeFlow Aggregation

LifeFlow: Interface with User Controls

EventFlow: Original Dataset

LABA_ICSs Merged

SABAs Merged

Align by First LABA_ICS

Reduce Window Size

Original Dataset

EventFlow Team: Oracle support

Treemap: Gene Ontology + Space filling + Space limited + Color coding + Size coding - Requires learning (Shneiderman, ACM Trans. on Graphics, 1992 & 2003)

Treemap: Smartmoney MarketMap

Market falls steeply Feb 27, 2007, with one exception

Market falls steeply Sept 22, 2011, some exceptions

Market mixed, February 8, 2008 Energy & Technology up, Financial & Health Care down

Market rises, September 1, 2010, Gold contrarians

Treemap: WHC Emergency Room (6304 patients in Jan2006) Group by Admissions/MF, size by service time, color by age

Treemap: WHC Emergency Room (6304 patients in Jan2006) (only those service time >12 hours) Group by Admissions/MF, size by service time, color by age

Treemap: Nutritional Analysis

Office of National Coordinator: SHARP Strategic Health IT Advanced Research Projects - Security of Health Information Technology - Patient-Centered Cognitive Support - Healthcare Application and Network Platform Architectures - Secondary Use of EHR Data Univ of Maryland HCIL tasks - Missing Laboratory Reports - Medication Reconciliation - Wrong Patient Errors

Lab test tracking to ensure completion Define tracking processes Assign temporal responsibility Define possible actions Predict expected duration Generate User Interface from processes Enhance situation awareness Integrate follow-up actions with results Simplify rapid operations Provide retrospective analysis PhD work: Sureyya Tarkan

Missing Lab Tests: Results Only

Missing Lab Tests: Results+Pending

Missing Lab Tests: Prioritized Pending

Performance Times: 18 participants

Retrospective Analyses Lab Tests

Medication Reconciliation: Current Form Univ of Maryland HCIL tasks - Missing Laboratory Reports - Medication Reconciliation - Alarms and Alerts Management

Twinlist: Medication Reconciliation “Best reconciliation app I have ever seen” Dr. Shawn Murphy, PartnersHealthcare & Harvard Medical Tiffany Chao, Catherine Plaisant, Ben Shneideman Based on class project of : Leo Claudino, Sameh Khamis, Ran Liu, Ben London, Jay Pujara Students of CMSC734 Information Visualization class “Super-cool demo” Dr. Jonathan Nebeker, Univ of Utah & VA “Twinlist concept is brilliant” Dr. Kevin Hughes, Harvard Medical School

Twinlist: Medications Grouped

Reducing Wrong Patient Errors: Animated Transitions & Photos

( Taieb-Maimon, Plaisant & Shneiderman, 2012) The combination of animation & photo resulted in a significant increase in error recognition rate relative to the control & animation groups  Dramatic implications for commercial systems Control Photo Combined 36% Animation 7% 43% 63%63% Reducing Wrong Patient Errors: Animated Transitions & Photos

UI Techniques to Reduce Selection Errors Highlight on Departure + Animation Re-sort lists, Group by attributes Show floor plan Larger fonts + Space between rows

UI Techniques to Reduce Selection Errors

UN Millennium Development Goals Eradicate extreme poverty and hunger Achieve universal primary education Promote gender equality and empower women Reduce child mortality Improve maternal health Combat HIV/AIDS, malaria and other diseases Ensure environmental sustainability Develop a global partnership for development To be achieved by 2015

30th Annual Symposium May 22-23, 2013