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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
1065
12.530
Why?
Apolipoprotein E4
17
2025
265
6.660
Why?
Alzheimer Disease
23
2025
2115
4.940
Why?
Aged
82
2025
9084
3.560
Why?
Cognition
30
2024
1337
3.330
Why?
tau Proteins
6
2025
235
2.910
Why?
Chicago
29
2025
948
2.830
Why?
Neurofilament Proteins
4
2025
17
2.780
Why?
Female
88
2025
15269
2.760
Why?
Male
78
2025
14821
2.630
Why?
Cognition Disorders
14
2018
986
2.600
Why?
Stroke
6
2023
268
2.480
Why?
Humans
105
2025
27158
2.460
Why?
Aged, 80 and over
41
2025
4831
2.390
Why?
Neurodegenerative Diseases
3
2025
126
2.370
Why?
Longitudinal Studies
28
2025
1377
2.330
Why?
Aging
14
2025
1550
2.160
Why?
Cohort Studies
25
2025
1901
2.070
Why?
Biomarkers
11
2025
559
2.040
Why?
Risk Factors
25
2025
2334
1.920
Why?
Glial Fibrillary Acidic Protein
3
2025
43
1.840
Why?
Apolipoproteins E
8
2023
253
1.810
Why?
Alleles
9
2024
208
1.790
Why?
Blood Pressure
3
2024
195
1.560
Why?
Exercise
9
2023
452
1.530
Why?
White Matter
3
2022
136
1.510
Why?
Activities of Daily Living
9
2018
596
1.500
Why?
Population Surveillance
3
2021
115
1.390
Why?
Prospective Studies
15
2025
1783
1.380
Why?
Dementia
9
2024
565
1.280
Why?
Vitamin E
2
2023
45
1.240
Why?
Intermediate Filaments
4
2023
20
1.220
Why?
Genotype
7
2024
344
1.170
Why?
Cardiovascular Diseases
2
2025
324
1.170
Why?
Incidence
12
2025
763
1.150
Why?
Memory Disorders
3
2024
158
1.100
Why?
Disease Progression
11
2019
672
1.100
Why?
Dietary Approaches To Stop Hypertension
2
2024
37
1.080
Why?
Loneliness
2
2025
59
1.070
Why?
Diet, Mediterranean
3
2024
101
1.040
Why?
Mortality
4
2021
93
1.020
Why?
Lipids
1
2025
50
0.930
Why?
Social Isolation
1
2025
30
0.920
Why?
Disability Evaluation
4
2014
266
0.890
Why?
United States
12
2024
2066
0.890
Why?
Dietary Fats
1
2024
40
0.880
Why?
Whole Grains
1
2023
7
0.870
Why?
Neuropathology
3
2021
82
0.810
Why?
Depression
4
2014
444
0.790
Why?
Vitamin D
1
2022
38
0.770
Why?
Healthy Lifestyle
5
2024
45
0.760
Why?
Antihypertensive Agents
2
2021
54
0.750
Why?
Independent Living
5
2025
322
0.720
Why?
Membrane Proteins
1
2021
171
0.680
Why?
Geriatric Assessment
5
2021
209
0.650
Why?
Follow-Up Studies
11
2024
1802
0.610
Why?
Neuropsychological Tests
11
2018
1197
0.590
Why?
Time Factors
10
2021
1438
0.580
Why?
Diet
4
2023
219
0.570
Why?
Art
1
2016
1
0.540
Why?
Genetic Predisposition to Disease
6
2022
368
0.530
Why?
Mental Status and Dementia Tests
3
2023
56
0.530
Why?
Music
1
2016
23
0.520
Why?
Diabetes Complications
1
2016
56
0.520
Why?
Models, Statistical
2
2021
127
0.510
Why?
Life Style
5
2022
186
0.500
Why?
Prevalence
3
2023
458
0.480
Why?
Obesity
6
2014
309
0.480
Why?
Mobility Limitation
2
2015
94
0.470
Why?
Cognitive Aging
4
2021
78
0.470
Why?
Body Mass Index
6
2018
461
0.460
Why?
Depressive Disorder
1
2015
175
0.450
Why?
Diabetes Mellitus, Type 2
1
2016
165
0.440
Why?
Gene-Environment Interaction
1
2014
18
0.440
Why?
Dopamine Agents
1
2014
11
0.440
Why?
Memantine
1
2014
9
0.440
Why?
Polymorphism, Single Nucleotide
5
2021
270
0.430
Why?
Genome-Wide Association Study
5
2022
276
0.430
Why?
Antioxidants
1
2014
66
0.420
Why?
Motor Activity
2
2015
321
0.420
Why?
Health Status Disparities
1
2013
78
0.390
Why?
Memory, Episodic
3
2018
116
0.390
Why?
Diagnosis
1
2011
24
0.380
Why?
Area Under Curve
1
2011
64
0.380
Why?
Medical Informatics
1
2011
10
0.380
Why?
Linear Models
3
2016
246
0.350
Why?
Refusal to Participate
1
2010
2
0.350
Why?
Predictive Value of Tests
3
2021
478
0.340
Why?
Disabled Persons
1
2012
122
0.340
Why?
Age of Onset
3
2014
95
0.300
Why?
Genetic Loci
3
2018
51
0.300
Why?
Middle Aged
21
2019
9031
0.290
Why?
Postmenopause
7
2006
57
0.280
Why?
Magnetic Resonance Imaging
2
2022
1104
0.260
Why?
Triglycerides
2
2025
62
0.250
Why?
Hypertension
2
2024
193
0.250
Why?
Neuroticism
2
2023
32
0.250
Why?
Hypoglycemic Agents
2
2016
37
0.240
Why?
Vehicle Emissions
1
2024
5
0.230
Why?
Cholesterol
1
2025
63
0.230
Why?
Air Pollutants
1
2024
11
0.230
Why?
Air Pollution
1
2024
14
0.230
Why?
Environmental Exposure
1
2024
18
0.230
Why?
Particulate Matter
1
2024
18
0.230
Why?
Survivors
3
2022
70
0.230
Why?
Heterozygote
1
2025
102
0.230
Why?
Amyloid beta-Peptides
2
2024
325
0.220
Why?
Florida
1
2023
17
0.210
Why?
Sex Factors
2
2022
466
0.210
Why?
Adult
11
2023
7918
0.210
Why?
Risk Assessment
2
2024
628
0.210
Why?
Tocopherols
1
2023
8
0.210
Why?
alpha-Tocopherol
1
2023
13
0.200
Why?
Diet, Vegetarian
1
2022
8
0.200
Why?
Flavonols
1
2022
11
0.200
Why?
Regression Analysis
4
2011
258
0.200
Why?
Vitamins
1
2022
20
0.200
Why?
Brain Infarction
1
2023
76
0.200
Why?
Dietary Supplements
1
2022
65
0.190
Why?
Age Factors
2
2022
775
0.190
Why?
Life Expectancy
1
2022
28
0.190
Why?
Cognitive Reserve
1
2022
39
0.190
Why?
Stress, Psychological
2
2014
234
0.190
Why?
Renin-Angiotensin System
1
2021
3
0.190
Why?
Blood-Brain Barrier
1
2021
38
0.180
Why?
Cost of Illness
1
2021
50
0.180
Why?
Brain
4
2024
1648
0.180
Why?
Noise
1
2020
24
0.170
Why?
Early Diagnosis
1
2020
58
0.170
Why?
Mental Status Schedule
2
2018
90
0.170
Why?
Neuroimaging
1
2020
128
0.160
Why?
Cerebral Cortex
1
2020
153
0.160
Why?
Confidence Intervals
2
2017
94
0.160
Why?
Residence Characteristics
1
2020
215
0.150
Why?
Phototherapy
1
2019
30
0.150
Why?
Parkinsonian Disorders
1
2022
225
0.150
Why?
Metabolic Networks and Pathways
1
2018
12
0.150
Why?
Social Networking
1
2018
11
0.150
Why?
Healthy Aging
1
2018
14
0.150
Why?
Hippocampus
1
2020
276
0.150
Why?
Interviews as Topic
2
2016
130
0.150
Why?
Behavioral Symptoms
1
2018
12
0.150
Why?
Psychotropic Drugs
1
2018
26
0.150
Why?
Odds Ratio
2
2017
277
0.150
Why?
Nursing Homes
1
2018
36
0.150
Why?
Socioeconomic Factors
3
2014
303
0.140
Why?
Social Environment
1
2018
77
0.140
Why?
Surveys and Questionnaires
5
2016
1154
0.140
Why?
Defecation
1
2017
6
0.140
Why?
Pain Management
1
2019
143
0.140
Why?
Starch
1
2017
11
0.140
Why?
Microspheres
1
2017
25
0.140
Why?
Parkinson Disease
2
2022
671
0.140
Why?
Genetic Association Studies
1
2017
84
0.140
Why?
Low Back Pain
1
2019
133
0.140
Why?
Dietary Fiber
1
2017
28
0.140
Why?
Prebiotics
1
2017
24
0.140
Why?
Invasive Fungal Infections
1
2017
5
0.140
Why?
Mucormycosis
1
2017
8
0.140
Why?
Frozen Sections
1
2017
14
0.140
Why?
Aspergillosis
1
2017
13
0.140
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
10
0.130
Why?
Iodide Peroxidase
1
2018
113
0.130
Why?
Warfare
1
2016
12
0.130
Why?
Quantitative Trait Loci
1
2016
44
0.130
Why?
Inflammation
1
2018
274
0.130
Why?
Terrorism
1
2016
9
0.130
Why?
Interview, Psychological
2
2014
41
0.130
Why?
Reading
1
2016
38
0.130
Why?
Clinical Competence
2
2015
210
0.120
Why?
Brief Psychiatric Rating Scale
1
2015
6
0.120
Why?
Overweight
2
2014
73
0.120
Why?
Self Report
1
2016
223
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?
Insulin
2
2014
91
0.120
Why?
Urinalysis
1
2015
8
0.120
Why?
Health Status
2
2014
219
0.120
Why?
Models, Genetic
1
2015
34
0.120
Why?
Blood Glucose
2
2014
108
0.120
Why?
Adipose Tissue
3
2005
76
0.120
Why?
Anxiety Disorders
1
2016
170
0.120
Why?
Rhinitis
1
2017
144
0.120
Why?
Educational Measurement
1
2015
58
0.120
Why?
Sinusitis
1
2017
164
0.110
Why?
Demography
1
2014
73
0.110
Why?
Hospitalization
2
2014
306
0.110
Why?
Intelligence Tests
1
2014
16
0.110
Why?
Cats
1
2014
29
0.110
Why?
Hypoglycemia
1
2014
13
0.110
Why?
Models, Psychological
1
2014
68
0.110
Why?
Medicare
1
2014
123
0.110
Why?
Colitis, Ulcerative
1
2014
59
0.110
Why?
Intestinal Mucosa
1
2015
159
0.110
Why?
Ultrasonography
1
2015
226
0.100
Why?
Proportional Hazards Models
1
2014
350
0.100
Why?
Stress Disorders, Post-Traumatic
1
2016
231
0.100
Why?
Mindfulness
1
2014
47
0.100
Why?
Psychiatric Status Rating Scales
1
2014
309
0.100
Why?
Emergency Medicine
1
2015
97
0.100
Why?
Databases, Factual
1
2014
350
0.100
Why?
Urban Population
1
2013
154
0.100
Why?
Diabetes Mellitus
1
2014
129
0.100
Why?
Colonoscopy
1
2013
73
0.100
Why?
Social Support
1
2014
194
0.100
Why?
Adenoma
1
2013
63
0.100
Why?
Multicenter Studies as Topic
1
2011
44
0.090
Why?
Vascular Diseases
1
2011
42
0.090
Why?
Colorectal Neoplasms
1
2013
111
0.090
Why?
ROC Curve
1
2011
141
0.090
Why?
Gait
1
2015
411
0.090
Why?
Breast Neoplasms
3
2004
411
0.090
Why?
Elder Abuse
1
2011
35
0.090
Why?
Prostatic Neoplasms
1
2011
106
0.090
Why?
Frail Elderly
1
2010
50
0.090
Why?
Testosterone
3
2004
28
0.080
Why?
Self Care
1
2010
89
0.080
Why?
Computer Simulation
1
2010
195
0.080
Why?
Quality of Life
1
2014
629
0.080
Why?
Sensitivity and Specificity
3
2017
485
0.070
Why?
Femoracetabular Impingement
1
2015
373
0.070
Why?
Algorithms
1
2010
352
0.070
Why?
Common Cold
1
2006
6
0.070
Why?
Young Adult
3
2018
2026
0.060
Why?
C-Reactive Protein
2
2018
96
0.060
Why?
Animals
1
2014
3625
0.060
Why?
Pilot Projects
2
2019
415
0.060
Why?
Smoking Prevention
1
2005
17
0.060
Why?
Phenotype
2
2016
312
0.060
Why?
Feces
2
2017
103
0.060
Why?
Parent-Child Relations
1
2005
38
0.060
Why?
Observer Variation
2
2015
97
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
18
0.060
Why?
Smoking Cessation
1
2005
46
0.060
Why?
Diet, Reducing
1
2004
12
0.060
Why?
Attitude to Health
1
2005
98
0.060
Why?
Zinc
1
2024
39
0.060
Why?
Sulfotransferases
1
2004
6
0.060
Why?
Double-Blind Method
2
2017
407
0.060
Why?
Androgens
1
2004
8
0.060
Why?
Glucuronosyltransferase
1
2004
4
0.060
Why?
Metabolic Syndrome
1
2005
58
0.060
Why?
Estrogens
1
2004
26
0.060
Why?
Psychomotor Performance
2
2018
204
0.050
Why?
Parents
1
2005
113
0.050
Why?
Gonadal Steroid Hormones
1
2003
10
0.050
Why?
Quercetin
1
2022
11
0.050
Why?
Kaempferols
1
2022
12
0.050
Why?
Cross-Sectional Studies
2
2016
903
0.050
Why?
Eating
1
2022
57
0.050
Why?
Leisure Activities
1
2022
15
0.050
Why?
Memory, Short-Term
1
2022
96
0.050
Why?
Diet Surveys
1
2021
28
0.050
Why?
Logistic Models
2
2013
397
0.050
Why?
Washington
3
2006
5
0.050
Why?
Atrophy
1
2021
87
0.040
Why?
Tremor
1
2022
104
0.040
Why?
Autopsy
1
2021
343
0.040
Why?
Alcohol Drinking
1
2020
76
0.040
Why?
Smoking
2
2015
183
0.040
Why?
Memory
2
2011
295
0.040
Why?
Child
2
2018
1260
0.040
Why?
Pain Threshold
1
2019
25
0.040
Why?
Mendelian Randomization Analysis
1
2018
8
0.040
Why?
Military Personnel
1
2019
39
0.040
Why?
Schizophrenia
1
2018
51
0.040
Why?
Neurotic Disorders
1
2018
19
0.040
Why?
Threonine
1
2018
9
0.040
Why?
Amino Acid Substitution
1
2018
22
0.040
Why?
Alanine
1
2018
12
0.040
Why?
Gene Frequency
1
2018
57
0.040
Why?
Awareness
1
2018
42
0.040
Why?
Community Health Planning
1
2018
20
0.040
Why?
Bipolar Disorder
1
2018
107
0.040
Why?
Adolescent
2
2018
2179
0.040
Why?
Liver
1
2018
148
0.030
Why?
Fermentation
1
2017
14
0.030
Why?
Constipation
1
2017
17
0.030
Why?
Veterans
1
2019
96
0.030
Why?
Educational Status
1
2018
289
0.030
Why?
Fatty Acids, Volatile
1
2017
33
0.030
Why?
Chronic Pain
1
2019
135
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
45
0.030
Why?
Maternal Age
1
2016
13
0.030
Why?
Oncogene Protein v-akt
1
2016
10
0.030
Why?
Fertility
1
2016
19
0.030
Why?
Russia
1
2016
4
0.030
Why?
Jews
1
2016
4
0.030
Why?
Immunocompromised Host
1
2017
46
0.030
Why?
Israel
1
2016
15
0.030
Why?
Emigration and Immigration
1
2016
15
0.030
Why?
Arabs
1
2016
9
0.030
Why?
Nose
1
2017
38
0.030
Why?
Phosphatidylinositol 3-Kinases
1
2016
46
0.030
Why?
Acute Disease
1
2017
177
0.030
Why?
Case-Control Studies
1
2018
589
0.030
Why?
Circadian Rhythm
1
2019
236
0.030
Why?
Sleep
1
2019
326
0.030
Why?
Pregnancy
1
2016
331
0.030
Why?
Ankle
1
2015
23
0.030
Why?
Gallbladder
1
2015
3
0.030
Why?
Anatomic Landmarks
1
2015
6
0.030
Why?
Endoscopy
1
2017
182
0.030
Why?
Chromosomes, Human
1
2015
6
0.030
Why?
Knee
1
2015
45
0.030
Why?
Kidney Function Tests
1
2015
16
0.030
Why?
Gastrointestinal Microbiome
1
2017
162
0.030
Why?
Meta-Analysis as Topic
1
2015
40
0.030
Why?
Healthy Volunteers
1
2015
41
0.030
Why?
Decision Making
1
2017
220
0.030
Why?
Intestinal Absorption
1
2015
30
0.030
Why?
Permeability
1
2015
97
0.030
Why?
Hip
1
2015
67
0.030
Why?
Kinetics
1
2015
180
0.030
Why?
China
1
2014
48
0.030
Why?
Retrospective Studies
2
2014
3546
0.030
Why?
Leukocyte L1 Antigen Complex
1
2014
6
0.030
Why?
Body Weight
2
2004
135
0.030
Why?
Interleukins
1
2014
24
0.030
Why?
Estrone
2
2004
8
0.030
Why?
Point-of-Care Systems
1
2015
64
0.030
Why?
Sex Hormone-Binding Globulin
2
2004
16
0.030
Why?
Hydrocortisone
1
2014
39
0.030
Why?
Sex Characteristics
1
2015
117
0.030
Why?
Estradiol
2
2004
53
0.030
Why?
Disease-Free Survival
1
2014
179
0.030
Why?
Acute Kidney Injury
1
2014
37
0.030
Why?
Patient Compliance
2
2005
149
0.030
Why?
Radiography
1
2015
617
0.030
Why?
Chi-Square Distribution
1
2013
138
0.030
Why?
Biomechanical Phenomena
1
2015
641
0.030
Why?
Attention
1
2014
124
0.030
Why?
Critical Illness
1
2014
120
0.020
Why?
Medical Record Linkage
1
2011
1
0.020
Why?
Early Detection of Cancer
1
2013
104
0.020
Why?
Range of Motion, Articular
1
2015
708
0.020
Why?
Length of Stay
1
2014
319
0.020
Why?
Intensive Care Units
1
2014
265
0.020
Why?
Perception
1
2011
76
0.020
Why?
Risk
1
2011
205
0.020
Why?
Trail Making Test
1
2010
4
0.020
Why?
Wechsler Scales
1
2010
11
0.020
Why?
Epidemiologic Research Design
1
2010
15
0.020
Why?
Cross Infection
1
2014
301
0.020
Why?
Psychometrics
1
2010
218
0.020
Why?
Caregivers
1
2011
197
0.020
Why?
Severity of Illness Index
1
2010
892
0.020
Why?
Influenza Vaccines
1
2006
13
0.020
Why?
Respiratory Tract Infections
1
2006
25
0.020
Why?
Health Education
1
2005
46
0.010
Why?
Leptin
1
2005
21
0.010
Why?
Ghrelin
1
2004
2
0.010
Why?
Body Size
1
2004
11
0.010
Why?
Homeostasis
1
2005
69
0.010
Why?
Insulin Resistance
1
2005
50
0.010
Why?
Arylsulfotransferase
1
2004
1
0.010
Why?
Radioimmunoassay
1
2004
19
0.010
Why?
Body Composition
1
2005
69
0.010
Why?
Receptors, Progesterone
1
2004
26
0.010
Why?
Energy Intake
1
2004
83
0.010
Why?
Polymorphism, Genetic
1
2004
56
0.010
Why?
Receptors, Estrogen
1
2004
65
0.010
Why?
New Mexico
1
2003
3
0.010
Why?
Dehydroepiandrosterone Sulfate
1
2003
5
0.010
Why?
Anthropometry
1
2003
30
0.010
Why?
Absorptiometry, Photon
1
2003
84
0.010
Why?
Neoplasm Staging
1
2003
368
0.010
Why?
Tomography, X-Ray Computed
1
2004
667
0.010
Why?
Rajan's Networks
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