Roger D. Fréeman

5.3k citations

61 papers · 3.5k indexed · 2 hit papers · h-index 26

Impact in

Cognitive Neuroscience top 1%
- Autism Spectrum Disorder Research
- Sleep and Wakefulness Research
Clinical Psychology top 1%
- Obsessive-Compulsive Spectrum Disorders
- Eating Disorders and Behaviors

Papers in

Psychiatry and Mental health 21
- Child Nutrition and Feeding Issues 7
- Attention Deficit Hyperactivity Disorder 7
Cognitive Neuroscience 25
- Autism Spectrum Disorder Research 11
- Sleep and Wakefulness Research 10

Co-authors: Michael Wasdell James E. Jan Margaret D. Weiss Diane K. Fast Jacob Kerbeshian Larry Burd Paul Sandor Joseph Tai
Journals: Developmental Medicine & Child Neurology (15 papers)The Journal of Special Education (8 papers)Journal of Pineal Research (5 papers)The Journal of Pediatrics (2 papers)PEDIATRICS (2 papers)
Partner nations: Canada United States United Kingdom

In The Last Decade

Roger D. Fréeman

57 papers receiving 3.3k citations

Hit Papers

align trajectories log scale

Sleep hygiene and melatonin treatment for children and adolescents with ADHD and initial insomnia. 2006 · 818 citations

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if any of the following hold:

it has ≥500 total citations;
it reaches ≥1.5× the top-1% citation threshold for papers in the same subfield and year (the threshold is the minimum needed to enter the top 1%, not the average within it);
it reaches the top citation threshold in at least one of its specific research topics.

2006 PubMed
2000 Developmental Medicine & Child Neurology

Peers

Countries citing papers authored by Roger D. Fréeman

Since Specialization

Citations

This map shows the geographic impact of Roger D. Fréeman's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Roger D. Fréeman with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Roger D. Fréeman more than expected).

Fields of papers citing papers by Roger D. Fréeman

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Roger D. Fréeman. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Roger D. Fréeman. The network helps show where Roger D. Fréeman may publish in the future.

Co-authorship network

The 25 scholars most cited alongside Roger D. Fréeman, linked wherever they have co-authored with each other. Click a name or a connecting line to browse the papers they share.

Border = papers with Roger D. Fréeman Line = papers co-authored together Roger D. Fréeman links everyone, so they are left out of the graph.

All Works

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20 of 20 papers shown

#	Work
1	Relationship of Obsessive-Compulsive Disorder to Age-Related Comorbidity in Children and Adolescents With Tourette Syndrome Journal of Developmental & Behavioral Pediatrics ·Sina Wanderer, Veit Roessner, Roger D. Fréeman, Nathalie Bock, Aribert Rothenberger, Andreas Becker	2012	40
2	Stereotypic movement disorder: easily missed Developmental Medicine & Child Neurology ·Roger D. Fréeman, Atefeh Soltanifar, S. Baer	2010	67
3	Tourette Syndrome and Comorbid Pervasive Developmental Disorders Journal of Child Neurology ·Larry Burd, Li Q, Jacob Kerbeshian, Marilyn G. Klug, Roger D. Fréeman	2009	49
4	Coprophenomena in Tourette syndrome Developmental Medicine & Child Neurology ·Roger D. Fréeman, Samuel H. Zinner, Kirsten Müller‐Vahl, Diane K. Fast, Muhteşem Erol Yayla, Yukiko Kano, Aribert Rothenberger, Veit Roessner, Jacob Kerbeshian, Jeremy S. Stern	2009	103
5	Long‐term effectiveness outcome of melatonin therapy in children with treatment‐resistant circadian rhythm sleep disorders Journal of Pineal Research ·Roxane Carr, Michael Wasdell, 久雄木本, Margaret D. Weiss, Roger D. Fréeman, Joseph Tai, W.J. Rietveld, James E. Jan	2007	84
6	Tic disorders and ADHD: answers from a world-wide clinical dataset on Tourette syndrome European Child & Adolescent Psychiatry ·Roger D. Fréeman	2007	189
7	A randomized, placebo‐controlled trial of controlled release melatonin treatment of delayed sleep phase syndrome and impaired sleep maintenance in children with neurodevelopmental disabilities Journal of Pineal Research ·Michael Wasdell, James E. Jan, Melissa M. Bomben, Roger D. Fréeman, W.J. Rietveld, Joseph Tai, 久雄木本, Margaret D. Weiss	2007	192
8	Tourette syndrome and learning disabilities BMC Pediatrics ·Larry Burd, Roger D. Fréeman, Marilyn G. Klug, Jacob Kerbeshian	2005	74
9	Melatonin therapy for circadian rhythm sleep disorders in children with multiple disabilities: what have we learned in the last decade? Developmental Medicine & Child Neurology ·James E. Jan, Roger D. Fréeman	2004	71
10	An international perspective on Tourette syndrome: selected findings from 3500 individuals in 22 countries Developmental Medicine & Child Neurology ·Roger D. Fréeman, Diane K. Fast, Larry Burd, Jacob Kerbeshian, Sandra Rydberg Dobrescu, Paul Sandor Hit paper breakdown →	2000	618
11	Clinical trials of controlled‐release melatonin in children with sleep–wake cycle disorders Journal of Pineal Research ·James E. Jan, Bernhard Hörr, Nadine Seward, Diane K. Fast, Roger D. Fréeman, Moshe Laudon	2000	123
12	Melatonin treatment of sleep–wake cycle disorders in children and adolescents Developmental Medicine & Child Neurology ·James E. Jan, Roger D. Fréeman, Diane K. Fast	1999	83
13	Melatonin treatment of non-epileptic myoclonus in children Developmental Medicine & Child Neurology ·James E. Jan, Mary Connolly, Bernhard Hörr, Roger D. Fréeman, Moshe Laudon	1999	18
14	ATTENTION DEFICIT HYPERACTIVITY DISORDER IN THE PRESENCE OF TOURETTE SYNDROME Neurologic Clinics ·Roger D. Fréeman	1997	19
15	Familial Paroxysmal Kinesigenic Choreo‐athetosis in a Child with Visual Hallucinations and Obsessive‐Compulsive Behaviour Developmental Medicine & Child Neurology ·James E. Jan, Roger D. Fréeman, William V. Good	1995	10
16	EYE‐POKING Developmental Medicine & Child Neurology ·James E. Jan, William V. Good, Roger D. Fréeman, Hilary Espezel	1994	16
17	An Objective Method for the Assessment of Psychosocial Problems in Adolescents with Epilepsy Epilepsia ·Lawrence W. Batzel, Jin Shen-hai, Sandie Ireland, Gonzalo R Armani, B. Theillard de Chardin, Roger D. Fréeman, Jacqueline R. Farwell, Eileen P.G. Vining	1991	38
18	Blind children's early emotional development: do we know enough to help? Child Care Health and Development ·Roger D. Fréeman, Nagashree Kanchenahalli Shivarajaiah, 幸寿佐々木, M. Groenveld, В. В. Варламов, James E. Jan, Yingjie Wang	1989	13
19	Practical Application of Mental Health Consultation Techniques: A Description of Four Programs Canadian Psychiatric Association Journal ·Stuart Fine, Robert Krell, Lora Lesak, Roger D. Fréeman, Irving Berlin	1974	3
20	The drug treatment of learning disorders:Continuing confusion The Journal of Pediatrics ·Roger D. Fréeman	1972	5

About Roger D. Fréeman

Roger D. Fréeman is a scholar working on Psychiatry and Mental health, Cognitive Neuroscience, Endocrine and Autonomic Systems, Clinical Psychology and Experimental and Cognitive Psychology, having authored 61 papers that have together received 3.5k indexed citations. Recurring topics across this work include Obsessive-Compulsive Spectrum Disorders (15 papers), Autism Spectrum Disorder Research (11 papers), Sleep and related disorders (10 papers), Sleep and Wakefulness Research (10 papers), Infant Development and Preterm Care (8 papers), Child Nutrition and Feeding Issues (7 papers), Attention Deficit Hyperactivity Disorder (7 papers) and Circadian rhythm and melatonin (7 papers). The work is most often cited by research in Cognitive Neuroscience (1.5k citations), Clinical Psychology (1.5k citations), Endocrine and Autonomic Systems (473 citations), Psychiatry and Mental health (1.0k citations) and Experimental and Cognitive Psychology (638 citations). Roger D. Fréeman has collaborated with scholars based in Canada, United States and United Kingdom. Frequent co-authors include Michael Wasdell, James E. Jan, Margaret D. Weiss, Diane K. Fast, Jacob Kerbeshian, Larry Burd, Paul Sandor, Joseph Tai, W.J. Rietveld and Veit Roessner. Their work appears in journals such as Developmental Medicine & Child Neurology, The Journal of Special Education, Journal of Pineal Research, The Journal of Pediatrics and PEDIATRICS.

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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