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Kumar Rajan

Concepts (378)

Concepts are derived automatically from a person's publications.
Concepts are listed by decreasing relevance which is based on many factors, including how many publications the person wrote about that topic, how long ago those publications were written, and how many publications other people have written on that same topic.


Name Number of Publications Most Recent Publication Publications by All Authors Concept Score Why?
Cognitive Dysfunction
42
2025
733
14.200
Why?
Apolipoprotein E4
17
2025
173
6.860
Why?
Alzheimer Disease
23
2025
1308
5.870
Why?
Aged
82
2025
7448
3.830
Why?
Cognition
30
2024
941
3.710
Why?
Female
88
2025
13031
2.950
Why?
tau Proteins
6
2025
147
2.940
Why?
Cognition Disorders
14
2018
685
2.870
Why?
Chicago
29
2025
809
2.860
Why?
Male
78
2025
12524
2.820
Why?
Neurofilament Proteins
4
2025
16
2.730
Why?
Humans
105
2025
23152
2.640
Why?
Aged, 80 and over
41
2025
3711
2.590
Why?
Stroke
6
2023
244
2.480
Why?
Aging
14
2025
1084
2.450
Why?
Longitudinal Studies
28
2025
1040
2.440
Why?
Neurodegenerative Diseases
3
2025
94
2.400
Why?
Cohort Studies
25
2025
1445
2.200
Why?
Biomarkers
11
2025
478
2.060
Why?
Risk Factors
25
2025
1944
1.990
Why?
Apolipoproteins E
8
2023
143
1.860
Why?
Glial Fibrillary Acidic Protein
3
2025
38
1.810
Why?
Alleles
9
2024
162
1.790
Why?
Activities of Daily Living
9
2018
427
1.590
Why?
Exercise
9
2023
384
1.560
Why?
Blood Pressure
3
2024
164
1.550
Why?
White Matter
3
2022
109
1.510
Why?
Prospective Studies
15
2025
1507
1.420
Why?
Dementia
9
2024
385
1.390
Why?
Population Surveillance
3
2021
106
1.360
Why?
Vitamin E
2
2023
37
1.210
Why?
Intermediate Filaments
4
2023
19
1.200
Why?
Cardiovascular Diseases
2
2025
273
1.190
Why?
Genotype
7
2024
247
1.180
Why?
Incidence
12
2025
634
1.160
Why?
Memory Disorders
3
2024
105
1.120
Why?
Disease Progression
11
2019
519
1.120
Why?
Loneliness
2
2025
42
1.080
Why?
Dietary Approaches To Stop Hypertension
2
2024
24
1.080
Why?
Diet, Mediterranean
3
2024
63
1.060
Why?
Mortality
4
2021
72
1.010
Why?
Lipids
1
2025
45
0.910
Why?
Social Isolation
1
2025
19
0.910
Why?
United States
12
2024
1794
0.910
Why?
Disability Evaluation
4
2014
220
0.890
Why?
Dietary Fats
1
2024
38
0.860
Why?
Whole Grains
1
2023
4
0.850
Why?
Depression
4
2014
361
0.820
Why?
Neuropathology
3
2021
60
0.810
Why?
Vitamin D
1
2022
29
0.760
Why?
Healthy Lifestyle
5
2024
35
0.750
Why?
Independent Living
5
2025
222
0.750
Why?
Antihypertensive Agents
2
2021
39
0.740
Why?
Membrane Proteins
1
2021
149
0.670
Why?
Geriatric Assessment
5
2021
158
0.660
Why?
Follow-Up Studies
11
2024
1457
0.640
Why?
Neuropsychological Tests
11
2018
860
0.630
Why?
Time Factors
10
2021
1265
0.590
Why?
Diet
4
2023
182
0.580
Why?
Genetic Predisposition to Disease
6
2022
261
0.540
Why?
Art
1
2016
1
0.530
Why?
Mental Status and Dementia Tests
3
2023
42
0.520
Why?
Music
1
2016
18
0.520
Why?
Diabetes Complications
1
2016
43
0.510
Why?
Models, Statistical
2
2021
113
0.500
Why?
Life Style
5
2022
159
0.500
Why?
Prevalence
3
2023
390
0.480
Why?
Obesity
6
2014
286
0.480
Why?
Cognitive Aging
4
2021
56
0.470
Why?
Mobility Limitation
2
2015
72
0.470
Why?
Body Mass Index
6
2018
396
0.460
Why?
Depressive Disorder
1
2015
163
0.450
Why?
Diabetes Mellitus, Type 2
1
2016
146
0.450
Why?
Genome-Wide Association Study
5
2022
151
0.440
Why?
Polymorphism, Single Nucleotide
5
2021
167
0.440
Why?
Gene-Environment Interaction
1
2014
12
0.440
Why?
Memantine
1
2014
7
0.430
Why?
Dopamine Agents
1
2014
11
0.430
Why?
Motor Activity
2
2015
273
0.430
Why?
Antioxidants
1
2014
56
0.420
Why?
Memory, Episodic
3
2018
74
0.400
Why?
Health Status Disparities
1
2013
67
0.390
Why?
Diagnosis
1
2011
16
0.370
Why?
Area Under Curve
1
2011
58
0.370
Why?
Medical Informatics
1
2011
8
0.370
Why?
Linear Models
3
2016
193
0.350
Why?
Disabled Persons
1
2012
86
0.350
Why?
Refusal to Participate
1
2010
2
0.340
Why?
Predictive Value of Tests
3
2021
419
0.340
Why?
Middle Aged
21
2019
7997
0.310
Why?
Age of Onset
3
2014
73
0.300
Why?
Genetic Loci
3
2018
27
0.300
Why?
Magnetic Resonance Imaging
2
2022
901
0.270
Why?
Postmenopause
7
2006
56
0.270
Why?
Hypertension
2
2024
157
0.250
Why?
Triglycerides
2
2025
52
0.240
Why?
Neuroticism
2
2023
21
0.240
Why?
Hypoglycemic Agents
2
2016
35
0.230
Why?
Amyloid beta-Peptides
2
2024
196
0.230
Why?
Vehicle Emissions
1
2024
5
0.230
Why?
Cholesterol
1
2025
56
0.230
Why?
Environmental Exposure
1
2024
16
0.230
Why?
Air Pollutants
1
2024
11
0.230
Why?
Air Pollution
1
2024
14
0.230
Why?
Particulate Matter
1
2024
16
0.230
Why?
Survivors
3
2022
67
0.230
Why?
Heterozygote
1
2025
87
0.220
Why?
Adult
11
2023
7038
0.220
Why?
Sex Factors
2
2022
389
0.210
Why?
Risk Assessment
2
2024
525
0.210
Why?
Florida
1
2023
17
0.210
Why?
Tocopherols
1
2023
8
0.200
Why?
alpha-Tocopherol
1
2023
10
0.200
Why?
Flavonols
1
2022
5
0.200
Why?
Regression Analysis
4
2011
216
0.200
Why?
Diet, Vegetarian
1
2022
5
0.200
Why?
Age Factors
2
2022
635
0.190
Why?
Vitamins
1
2022
14
0.190
Why?
Brain Infarction
1
2023
62
0.190
Why?
Brain
4
2024
1196
0.190
Why?
Dietary Supplements
1
2022
54
0.190
Why?
Cognitive Reserve
1
2022
22
0.190
Why?
Life Expectancy
1
2022
24
0.190
Why?
Stress, Psychological
2
2014
205
0.190
Why?
Renin-Angiotensin System
1
2021
2
0.180
Why?
Blood-Brain Barrier
1
2021
22
0.180
Why?
Cost of Illness
1
2021
44
0.170
Why?
Noise
1
2020
24
0.170
Why?
Early Diagnosis
1
2020
50
0.170
Why?
Mental Status Schedule
2
2018
65
0.160
Why?
Neuroimaging
1
2020
101
0.160
Why?
Cerebral Cortex
1
2020
122
0.160
Why?
Parkinsonian Disorders
1
2022
158
0.160
Why?
Residence Characteristics
1
2020
174
0.160
Why?
Confidence Intervals
2
2017
73
0.150
Why?
Phototherapy
1
2019
27
0.150
Why?
Hippocampus
1
2020
199
0.150
Why?
Metabolic Networks and Pathways
1
2018
8
0.150
Why?
Social Networking
1
2018
9
0.150
Why?
Healthy Aging
1
2018
8
0.150
Why?
Odds Ratio
2
2017
223
0.150
Why?
Interviews as Topic
2
2016
116
0.140
Why?
Behavioral Symptoms
1
2018
11
0.140
Why?
Psychotropic Drugs
1
2018
25
0.140
Why?
Surveys and Questionnaires
5
2016
1021
0.140
Why?
Socioeconomic Factors
3
2014
266
0.140
Why?
Nursing Homes
1
2018
41
0.140
Why?
Parkinson Disease
2
2022
587
0.140
Why?
Social Environment
1
2018
68
0.140
Why?
Pain Management
1
2019
132
0.140
Why?
Genetic Association Studies
1
2017
56
0.140
Why?
Defecation
1
2017
5
0.140
Why?
Starch
1
2017
9
0.140
Why?
Low Back Pain
1
2019
127
0.130
Why?
Microspheres
1
2017
24
0.130
Why?
Dietary Fiber
1
2017
25
0.130
Why?
Prebiotics
1
2017
18
0.130
Why?
Invasive Fungal Infections
1
2017
5
0.130
Why?
Mucormycosis
1
2017
8
0.130
Why?
Frozen Sections
1
2017
14
0.130
Why?
Aspergillosis
1
2017
13
0.130
Why?
Inflammation
1
2018
232
0.130
Why?
Birth Order
1
2016
1
0.130
Why?
Parity
1
2016
2
0.130
Why?
Reproductive Behavior
1
2016
2
0.130
Why?
Reproduction
1
2016
6
0.130
Why?
Iodide Peroxidase
1
2018
112
0.130
Why?
Quantitative Trait Loci
1
2016
26
0.130
Why?
Warfare
1
2016
12
0.130
Why?
Terrorism
1
2016
9
0.130
Why?
Interview, Psychological
2
2014
39
0.130
Why?
Reading
1
2016
23
0.120
Why?
Clinical Competence
2
2015
197
0.120
Why?
Brief Psychiatric Rating Scale
1
2015
5
0.120
Why?
Overweight
2
2014
68
0.120
Why?
Self Report
1
2016
191
0.120
Why?
Insulin
2
2014
77
0.120
Why?
Health Status
2
2014
196
0.120
Why?
Blood Glucose
2
2014
97
0.120
Why?
Carbohydrate Metabolism
1
2015
4
0.120
Why?
Carbohydrates
1
2015
5
0.120
Why?
Chromatography, Gas
1
2015
10
0.120
Why?
Urinalysis
1
2015
8
0.120
Why?
Models, Genetic
1
2015
30
0.110
Why?
Adipose Tissue
3
2005
73
0.110
Why?
Rhinitis
1
2017
136
0.110
Why?
Anxiety Disorders
1
2016
163
0.110
Why?
Educational Measurement
1
2015
54
0.110
Why?
Sinusitis
1
2017
152
0.110
Why?
Demography
1
2014
57
0.110
Why?
Hospitalization
2
2014
287
0.110
Why?
Intelligence Tests
1
2014
13
0.110
Why?
Cats
1
2014
28
0.110
Why?
Hypoglycemia
1
2014
12
0.110
Why?
Models, Psychological
1
2014
60
0.100
Why?
Proportional Hazards Models
1
2014
259
0.100
Why?
Medicare
1
2014
107
0.100
Why?
Colitis, Ulcerative
1
2014
58
0.100
Why?
Stress Disorders, Post-Traumatic
1
2016
213
0.100
Why?
Intestinal Mucosa
1
2015
153
0.100
Why?
Ultrasonography
1
2015
203
0.100
Why?
Mindfulness
1
2014
45
0.100
Why?
Psychiatric Status Rating Scales
1
2014
264
0.100
Why?
Databases, Factual
1
2014
304
0.100
Why?
Diabetes Mellitus
1
2014
106
0.100
Why?
Emergency Medicine
1
2015
93
0.100
Why?
Urban Population
1
2013
128
0.100
Why?
Social Support
1
2014
177
0.100
Why?
Colonoscopy
1
2013
71
0.100
Why?
Adenoma
1
2013
60
0.100
Why?
Multicenter Studies as Topic
1
2011
39
0.090
Why?
Vascular Diseases
1
2011
34
0.090
Why?
Gait
1
2015
383
0.090
Why?
ROC Curve
1
2011
123
0.090
Why?
Colorectal Neoplasms
1
2013
109
0.090
Why?
Breast Neoplasms
3
2004
397
0.090
Why?
Elder Abuse
1
2011
33
0.090
Why?
Prostatic Neoplasms
1
2011
89
0.090
Why?
Femoracetabular Impingement
1
2015
223
0.090
Why?
Frail Elderly
1
2010
37
0.080
Why?
Self Care
1
2010
82
0.080
Why?
Testosterone
3
2004
27
0.080
Why?
Quality of Life
1
2014
548
0.080
Why?
Computer Simulation
1
2010
174
0.080
Why?
Algorithms
1
2010
317
0.070
Why?
Sensitivity and Specificity
3
2017
449
0.070
Why?
Young Adult
3
2018
1713
0.070
Why?
Common Cold
1
2006
5
0.060
Why?
Animals
1
2014
3253
0.060
Why?
C-Reactive Protein
2
2018
92
0.060
Why?
Pilot Projects
2
2019
372
0.060
Why?
Phenotype
2
2016
257
0.060
Why?
Smoking Prevention
1
2005
17
0.060
Why?
Feces
2
2017
80
0.060
Why?
Parent-Child Relations
1
2005
36
0.060
Why?
Observer Variation
2
2015
87
0.060
Why?
Nitrogen Dioxide
1
2024
4
0.060
Why?
Nitrogen Oxides
1
2024
4
0.060
Why?
Peptide Hormones
1
2004
3
0.060
Why?
Copper
1
2024
14
0.060
Why?
Smoking Cessation
1
2005
46
0.060
Why?
Diet, Reducing
1
2004
12
0.060
Why?
Attitude to Health
1
2005
94
0.060
Why?
Double-Blind Method
2
2017
380
0.060
Why?
Zinc
1
2024
39
0.060
Why?
Sulfotransferases
1
2004
4
0.060
Why?
Androgens
1
2004
7
0.060
Why?
Glucuronosyltransferase
1
2004
4
0.060
Why?
Psychomotor Performance
2
2018
155
0.060
Why?
Metabolic Syndrome
1
2005
55
0.060
Why?
Estrogens
1
2004
26
0.050
Why?
Parents
1
2005
105
0.050
Why?
Gonadal Steroid Hormones
1
2003
9
0.050
Why?
Cross-Sectional Studies
2
2016
769
0.050
Why?
Quercetin
1
2022
5
0.050
Why?
Kaempferols
1
2022
6
0.050
Why?
Eating
1
2022
46
0.050
Why?
Memory, Short-Term
1
2022
79
0.050
Why?
Leisure Activities
1
2022
13
0.050
Why?
Logistic Models
2
2013
341
0.050
Why?
Diet Surveys
1
2021
23
0.040
Why?
Washington
3
2006
5
0.040
Why?
Atrophy
1
2021
66
0.040
Why?
Tremor
1
2022
93
0.040
Why?
Autopsy
1
2021
252
0.040
Why?
Memory
2
2011
209
0.040
Why?
Smoking
2
2015
160
0.040
Why?
Alcohol Drinking
1
2020
70
0.040
Why?
Child
2
2018
1136
0.040
Why?
Pain Threshold
1
2019
25
0.040
Why?
Mendelian Randomization Analysis
1
2018
5
0.040
Why?
Military Personnel
1
2019
36
0.040
Why?
Schizophrenia
1
2018
45
0.040
Why?
Neurotic Disorders
1
2018
14
0.040
Why?
Threonine
1
2018
8
0.040
Why?
Amino Acid Substitution
1
2018
20
0.040
Why?
Awareness
1
2018
37
0.040
Why?
Gene Frequency
1
2018
41
0.040
Why?
Alanine
1
2018
11
0.040
Why?
Community Health Planning
1
2018
14
0.040
Why?
Adolescent
2
2018
1897
0.040
Why?
Bipolar Disorder
1
2018
99
0.040
Why?
Educational Status
1
2018
213
0.030
Why?
Veterans
1
2019
76
0.030
Why?
Liver
1
2018
141
0.030
Why?
Constipation
1
2017
15
0.030
Why?
Fermentation
1
2017
13
0.030
Why?
Chronic Pain
1
2019
128
0.030
Why?
Fatty Acids, Volatile
1
2017
26
0.030
Why?
Mucor
1
2017
5
0.030
Why?
Aspergillus
1
2017
7
0.030
Why?
Nasal Surgical Procedures
1
2017
10
0.030
Why?
Gastrointestinal Tract
1
2017
40
0.030
Why?
Maternal Age
1
2016
13
0.030
Why?
Fertility
1
2016
11
0.030
Why?
Oncogene Protein v-akt
1
2016
8
0.030
Why?
Immunocompromised Host
1
2017
41
0.030
Why?
Russia
1
2016
4
0.030
Why?
Jews
1
2016
4
0.030
Why?
Nose
1
2017
32
0.030
Why?
Israel
1
2016
11
0.030
Why?
Emigration and Immigration
1
2016
13
0.030
Why?
Arabs
1
2016
8
0.030
Why?
Case-Control Studies
1
2018
501
0.030
Why?
Sleep
1
2019
268
0.030
Why?
Acute Disease
1
2017
164
0.030
Why?
Phosphatidylinositol 3-Kinases
1
2016
44
0.030
Why?
Circadian Rhythm
1
2019
213
0.030
Why?
Pregnancy
1
2016
318
0.030
Why?
Endoscopy
1
2017
169
0.030
Why?
Ankle
1
2015
20
0.030
Why?
Gastrointestinal Microbiome
1
2017
123
0.030
Why?
Gallbladder
1
2015
3
0.030
Why?
Anatomic Landmarks
1
2015
5
0.030
Why?
Retrospective Studies
2
2014
3036
0.030
Why?
Knee
1
2015
38
0.030
Why?
Decision Making
1
2017
185
0.030
Why?
Chromosomes, Human
1
2015
6
0.030
Why?
Kidney Function Tests
1
2015
13
0.030
Why?
Meta-Analysis as Topic
1
2015
25
0.030
Why?
Hip
1
2015
46
0.030
Why?
Healthy Volunteers
1
2015
29
0.030
Why?
Intestinal Absorption
1
2015
30
0.030
Why?
Permeability
1
2015
95
0.030
Why?
Kinetics
1
2015
175
0.030
Why?
China
1
2014
45
0.030
Why?
Sex Characteristics
1
2015
85
0.030
Why?
Body Weight
2
2004
128
0.030
Why?
Leukocyte L1 Antigen Complex
1
2014
6
0.030
Why?
Interleukins
1
2014
21
0.030
Why?
Point-of-Care Systems
1
2015
58
0.030
Why?
Estrone
2
2004
8
0.030
Why?
Hydrocortisone
1
2014
38
0.030
Why?
Sex Hormone-Binding Globulin
2
2004
16
0.030
Why?
Estradiol
2
2004
52
0.030
Why?
Radiography
1
2015
555
0.030
Why?
Disease-Free Survival
1
2014
160
0.030
Why?
Acute Kidney Injury
1
2014
37
0.030
Why?
Patient Compliance
2
2005
142
0.030
Why?
Biomechanical Phenomena
1
2015
534
0.030
Why?
Attention
1
2014
101
0.030
Why?
Chi-Square Distribution
1
2013
119
0.030
Why?
Critical Illness
1
2014
109
0.020
Why?
Range of Motion, Articular
1
2015
600
0.020
Why?
Early Detection of Cancer
1
2013
101
0.020
Why?
Medical Record Linkage
1
2011
1
0.020
Why?
Length of Stay
1
2014
300
0.020
Why?
Intensive Care Units
1
2014
247
0.020
Why?
Perception
1
2011
67
0.020
Why?
Risk
1
2011
163
0.020
Why?
Trail Making Test
1
2010
4
0.020
Why?
Wechsler Scales
1
2010
11
0.020
Why?
Cross Infection
1
2014
297
0.020
Why?
Epidemiologic Research Design
1
2010
13
0.020
Why?
Psychometrics
1
2010
177
0.020
Why?
Caregivers
1
2011
179
0.020
Why?
Severity of Illness Index
1
2010
808
0.020
Why?
Influenza Vaccines
1
2006
9
0.020
Why?
Respiratory Tract Infections
1
2006
24
0.020
Why?
Health Education
1
2005
43
0.010
Why?
Leptin
1
2005
18
0.010
Why?
Ghrelin
1
2004
2
0.010
Why?
Body Size
1
2004
6
0.010
Why?
Homeostasis
1
2005
65
0.010
Why?
Insulin Resistance
1
2005
48
0.010
Why?
Body Composition
1
2005
63
0.010
Why?
Arylsulfotransferase
1
2004
1
0.010
Why?
Radioimmunoassay
1
2004
19
0.010
Why?
Receptors, Progesterone
1
2004
26
0.010
Why?
Energy Intake
1
2004
77
0.010
Why?
Polymorphism, Genetic
1
2004
47
0.010
Why?
Receptors, Estrogen
1
2004
62
0.010
Why?
New Mexico
1
2003
3
0.010
Why?
Dehydroepiandrosterone Sulfate
1
2003
5
0.010
Why?
Anthropometry
1
2003
29
0.010
Why?
Absorptiometry, Photon
1
2003
81
0.010
Why?
Neoplasm Staging
1
2003
355
0.010
Why?
Tomography, X-Ray Computed
1
2004
600
0.010
Why?
Rajan's Networks
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