Welcome to the new homepage for Evan D. Morris, PhD,            Yale University



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News: 



Evan winds 2013 Yale Graduate Mentor Award for Natural Sciences (pics) (video) (speech text)


Jenna and friends receive Doctoral diplomas May 20, 2013


Shuo presents poster at BrainPET in Shanghai, May 2013


Sujin's paper on selectivity of 11C-pkab published in J Nucl Med


Yale PET Center featured in monthly Medicine@Yale magazine. Read article here (March 2013)


Jenna's paper on limitations of conventional models for describing transient dopamine events published in AJNMMI


Jenna Sullivan successfully defends PhD thesis (Dec 2012)


Successful end to Fall Semester, 2012.  Read what people are saying about ENAS-880 (2012)


Morris Lab receives NIH grant for "Dynamic Dopamine Images: A New View of the Neurochemistry of Smoking (Sept 2012)

Posters presented by our group at recent Neuroreceptor Mapping Meeting (Aug 2012)

Evan presents "PET Talks!" on Intro to PET Analysis to packed house, June 2012 (video)


Jenna Sullivan, Su Jin Kim win Young Scientist Awards for submissions to Neuroreceptor Mapping Meeting summer 2012 in Baltimore. (Program)

Successful end to Fall Semester, 2011.  Read what people are saying about ENAS-880 (2011)


Sept 10, 2011: Evan completes "Closer to Free" 100 mile bike ride in 7:09:30 + rest stops.  Raises $1750 for Smilow Cancer Hospital




Cool Images


Dopamine Multi-Movie of cigarette smoking!


Lab photo from first cookout of 2013


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Evan D, Morris, PhD
Assoc. Prof
Diagnostic Radiology,
Psychiatry,
Biomedical Engineering
Co-Director of Imaging Section
Yale PET Center
Yale University

office: 203 737 5752
Fax: 203-785-3107
evan.morris AT yale.edu

 

evan in Scotland

 

Contact

sending (US) mail to
Yale PET Center

P.O. Box 208048
New Haven, CT 06520-8048


sending packages by FedX etc
Name:  Recipient Name
Company:  Yale PET Center
Street Line 1:  15 York Street
Street Line 2:  Bldg, Rm #
City, State, ZIP:  New Haven, CT 06510


visiting Yale PET Center:
801 Howard Ave
New Haven, CT 06510

Main Links

science

Recent Publications

next slide please

Recent Presentations

thumb

Evan's NIH biosketch

thinkerthinker
Research Interests



Short Bio


blackboard
Courses



Current projects





Friday  Journal Club





diploma
Education



Trips - and Photos

RCA-dog

PET Talks


Journal Club -


Lab Group


  Job Opportunities

 book
Book Chapters

Direct Link to Most
Recent Papers

 

tools
PET
Center
Tools

formsformsforms
PET Center Forms

                
 

                                   

Dose-Delivered-by-Infusion (htm)

Evan's Smoking Questionaire (v4) (this is correct as of 11/12/11)

 

 

Dose-Delivered-by-Infusion (xls)

Human Research Study Participant Advance Request (for rac_pd)

 

 

 How to split the Dose (xls)
Physical Exam Forms (pdf)

 
Smoking Checklist


 


For PET PIs (soon to be available through main Yale PET website)

Protocol Initiation Form (trial online version - this is under development)
sends data to prot_init.cgi
will send data to pet.scheduling@yale.edu            
Prorocol Intiation Form (trial online version 3)




Seminar Series

PET talks

Biomedical Engineering  Seminars (Grad students and Outside guests) 

 

 

Bioimaging Sciences

INP student seminars

 

 

fMRI  seminars

 

 

 


Answers to In-frequently Asked PET Questions

When should we administer a dopaminergic stimulus relative to an injection of 11C-raclopride to get a maximal change in BP?

 

 

 

 

 

 

 

 

 

BIO
Evan D. Morris, PhD has been working in the field of PET and functional imaging  for 20 years.  He specializes in kinetic modeling of dynamic image data.  He was trained as a biomedical engineer and before that as a chemical engineer. In the past, he has taught courses at the undergraduate and graduate levels in Medical Imaging, Tracer Kinetics, Biomedical Transport, and Biomedical Ethics, among others. For more info about his past classroom teaching at Indiana University, Purdue University at Indianapolis (IUPUI), including online lectures (video and Powerpoints) for some courses, please follow the link to his IUPUI website.  Morris joined the Yale PET Center as Co-Director of the Imaging Section in the fall of 2009.


Dr Morris and his students have been working on kinetic models to estimate the dynamics of endogenous neurotransmitters from PET data.  A recent publication in Neuroimage in 2010 demonstrated a novel analysis strategy for creating the first ever “movies” of dopamine action in the living brain. The movies can be viewed here (movie of "early" finger-tapping, movie of "late" finger-tapping).  Altered neurotransmitter kinetics may explain the mechanism of addiction of some drugs.  This work  uses knowledge of numerical methods, biochemistry, image and signal processing, parameter estimation, and programming.  An earlier paper in Molecular Imaging and Biology compared the  estimates of dopamine curves from fitting models to PET data to direct microdialysis measurements.  A collection of papers to result from this project can be downloaded as a zip file here. (~8Mb)  The work was funded by the Whitaker Foundation and the National Institute on Alcohol Abuse and Alcoholism.


While in Indiana, Morris and his colleagues focused much of their efforts on the use of PET to understand what makes drugs and alcohol addictive.  Their most recent publication in Alcoholism, Clinical and Experimental Research in 2009 is here.  It represents the first demonstration in humans of the neurochemistry of reward prediction error.  This work uses knowledge of neuropsychology, image processing, experimental study design, neurochemistry, and kinetic modeling.


<>Interests
Prof. Morris is currently interested in the use of PET imaging (of people and animals) with neuroreceptor tracers to understand and improve treatments for Parkinson’s disease, alcoholism, smoking, and drug abuse.

 

Current Active Projects (all use PET imaging and some type(s) of mathematical modeling)

1. What are the unique mechanisms of action of partial nicotinic agonists as treatments for smoking cessation?


2. Are kappa opiate receptors important in the treatment of alcoholism?


3. What is the role of dopamine in common medication-related side effects of treatments for Parkinson's disease?


4. Can depletion of dopamine be detected with PET and can this be an assay for upstream activation of other neurotransmitter systems? 

5. What models are best for characterizing the uptake and retention of the mGluR5 tracer,  18F-fpeb ?

6.
Can we detect glutamate release with the PET tracer, 18F-fpeb

Job Opportunities

1. Many opportunities for students to do research rotations.  Please email Dr Morris


Other ongoing interests of Prof Morris:

Small animal imaging. A recent paper details the design and validation of a stereotactic head-holder for imaging two rats in a PET scanner at the same time.  The paper was published in Journal of Neuroscience Methods. Get it here.

Direct reconstruction of PET data to parametric images.  This work was a collaboration with colleagues at Purdue University and used knowledge of kinetic modeling, imaging physics, optimization and algorithm design.  It yielded the first working algorithm to create parametric images of the four kinetic parameters of the two-tissue model directly from raw (sinogram) data.  The primary paper to result from this collaboration was published in IEEE Transactions on Medical Imaging and can be downloaded here.


COURSE LIST

<>

Course Number(s)

Title  (link to course webpage)

Semester

ENAS 915
Tracer Kinetics and Modeling
Spring 2013
ENAS 880 /  NSCI 523 Imaging Drugs in the Brain Falll 2012
ENAS 880 /  NSCI 523 Imaging Drugs in the Brain Falll 2011

ENAS 880 /  NSCI 523

Imaging Drugs in the Brain

Fall 2010

ENAS 503

Ethics and Professional Development for Biomedical Scientists and Engineers

Spring 2011


<>

Trips  - and Photos

sujin and julia 201
Julia and Sujin take a ride along the Farmington canal and find the perfect sign (blue).
training ride 201
Riders before an Aug 2011 training ride to prepare for Closer to Free ride
ride with stuart
With Stuart Basseches... somewhere along the Hudson River... on a hot-as-hell ride , July 2011.
welcome to MA
Evan and Bob ride from UConn (Storrs, CT) to Welleseley College (Wellesely, MA) June 2012


Conference in New Orleans, SNM, June 2008
           photo grid
Lecture in Turku, Turku PET symposium, June 2008
           photo grid (Turku)
           photo grid (Talin, Estonia)
Lecture in  Copenhagen METPETS consortium, June 2009
          photo grid
          photo grid 2 (commuting in Copenhagen)
Lecture in Chicago, BrainPET, 2009
          photo grid
Lecture  at Univ Washington, Seattle, June 2010
          photo grid - Seattle
          photo grid -  Victoria, BC
Lecture at  Univ Glasgow, July 2010
          photo grid
Lecture at Bogazici University (Biomedical Institute), Istanbul, Nov 2010
          Photos
Lecture at Hadassah Hospital, Jerusalem, Nov 2010
          Photos
Lecture at Univ Wisconsin, Madison, Nov 2010
          Photos
Lecture at Mass General Hospital, Boston, Dec 2010



EDUCATION

BS, BS (Chemical Engineering, Biology) MIT
MS, PhD, (Biomedical Engineering) Case Western Reserve University
Postdoctoral Fellowship, (Radiological Sciences) MGH/Harvard



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