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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
1072
12.650
Why?
Apolipoprotein E4
17
2025
267
6.790
Why?
Alzheimer Disease
23
2025
2148
4.980
Why?
Aged
82
2025
9339
3.570
Why?
Cognition
30
2024
1371
3.360
Why?
tau Proteins
6
2025
239
2.960
Why?
Chicago
29
2025
941
2.890
Why?
Neurofilament Proteins
4
2025
17
2.840
Why?
Female
88
2025
15793
2.750
Why?
Male
78
2025
15367
2.630
Why?
Cognition Disorders
14
2018
1020
2.610
Why?
Stroke
6
2023
278
2.520
Why?
Humans
105
2025
28462
2.430
Why?
Neurodegenerative Diseases
3
2025
124
2.430
Why?
Aged, 80 and over
41
2025
4904
2.410
Why?
Longitudinal Studies
28
2025
1391
2.360
Why?
Aging
14
2025
1572
2.180
Why?
Cohort Studies
25
2025
1948
2.100
Why?
Biomarkers
11
2025
601
2.060
Why?
Risk Factors
25
2025
2421
1.920
Why?
Glial Fibrillary Acidic Protein
3
2025
42
1.880
Why?
Apolipoproteins E
8
2023
254
1.850
Why?
Alleles
9
2024
213
1.830
Why?
Blood Pressure
3
2024
204
1.590
Why?
Exercise
9
2023
476
1.540
Why?
White Matter
3
2022
142
1.530
Why?
Activities of Daily Living
9
2018
612
1.520
Why?
Population Surveillance
3
2021
110
1.420
Why?
Prospective Studies
15
2025
1810
1.390
Why?
Dementia
9
2024
580
1.300
Why?
Vitamin E
2
2023
45
1.260
Why?
Intermediate Filaments
4
2023
20
1.250
Why?
Genotype
7
2024
352
1.190
Why?
Incidence
12
2025
779
1.170
Why?
Cardiovascular Diseases
2
2025
373
1.150
Why?
Memory Disorders
3
2024
171
1.120
Why?
Disease Progression
11
2019
719
1.110
Why?
Dietary Approaches To Stop Hypertension
2
2024
37
1.100
Why?
Loneliness
2
2025
63
1.090
Why?
Diet, Mediterranean
3
2024
101
1.050
Why?
Mortality
4
2021
88
1.040
Why?
Lipids
1
2025
51
0.940
Why?
Social Isolation
1
2025
30
0.940
Why?
Dietary Fats
1
2024
39
0.890
Why?
United States
12
2024
2185
0.890
Why?
Disability Evaluation
4
2014
293
0.890
Why?
Whole Grains
1
2023
7
0.880
Why?
Neuropathology
3
2021
85
0.830
Why?
Depression
4
2014
454
0.800
Why?
Vitamin D
1
2022
41
0.780
Why?
Healthy Lifestyle
5
2024
46
0.780
Why?
Antihypertensive Agents
2
2021
71
0.750
Why?
Independent Living
5
2025
320
0.740
Why?
Membrane Proteins
1
2021
174
0.690
Why?
Geriatric Assessment
5
2021
214
0.660
Why?
Follow-Up Studies
11
2024
1868
0.620
Why?
Neuropsychological Tests
11
2018
1254
0.600
Why?
Time Factors
10
2021
1497
0.580
Why?
Diet
4
2023
221
0.580
Why?
Art
1
2016
1
0.550
Why?
Genetic Predisposition to Disease
6
2022
382
0.540
Why?
Mental Status and Dementia Tests
3
2023
69
0.530
Why?
Music
1
2016
23
0.530
Why?
Diabetes Complications
1
2016
59
0.530
Why?
Models, Statistical
2
2021
128
0.520
Why?
Life Style
5
2022
198
0.510
Why?
Prevalence
3
2023
473
0.490
Why?
Obesity
6
2014
322
0.490
Why?
Mobility Limitation
2
2015
95
0.480
Why?
Cognitive Aging
4
2021
79
0.480
Why?
Body Mass Index
6
2018
466
0.460
Why?
Depressive Disorder
1
2015
184
0.460
Why?
Gene-Environment Interaction
1
2014
18
0.450
Why?
Memantine
1
2014
9
0.450
Why?
Dopamine Agents
1
2014
16
0.450
Why?
Diabetes Mellitus, Type 2
1
2016
191
0.440
Why?
Polymorphism, Single Nucleotide
5
2021
285
0.440
Why?
Genome-Wide Association Study
5
2022
291
0.440
Why?
Antioxidants
1
2014
65
0.430
Why?
Motor Activity
2
2015
331
0.420
Why?
Health Status Disparities
1
2013
75
0.410
Why?
Memory, Episodic
3
2018
116
0.400
Why?
Diagnosis
1
2011
24
0.390
Why?
Area Under Curve
1
2011
63
0.380
Why?
Medical Informatics
1
2011
10
0.380
Why?
Linear Models
3
2016
255
0.360
Why?
Refusal to Participate
1
2010
2
0.360
Why?
Predictive Value of Tests
3
2021
494
0.350
Why?
Disabled Persons
1
2012
125
0.350
Why?
Age of Onset
3
2014
99
0.310
Why?
Genetic Loci
3
2018
54
0.300
Why?
Middle Aged
21
2019
9306
0.300
Why?
Postmenopause
7
2006
57
0.280
Why?
Magnetic Resonance Imaging
2
2022
1196
0.260
Why?
Triglycerides
2
2025
62
0.250
Why?
Neuroticism
2
2023
32
0.250
Why?
Hypertension
2
2024
226
0.240
Why?
Hypoglycemic Agents
2
2016
40
0.240
Why?
Vehicle Emissions
1
2024
5
0.240
Why?
Air Pollutants
1
2024
11
0.240
Why?
Cholesterol
1
2025
63
0.240
Why?
Air Pollution
1
2024
16
0.240
Why?
Environmental Exposure
1
2024
17
0.240
Why?
Particulate Matter
1
2024
20
0.230
Why?
Survivors
3
2022
72
0.230
Why?
Heterozygote
1
2025
103
0.230
Why?
Amyloid beta-Peptides
2
2024
328
0.230
Why?
Florida
1
2023
22
0.220
Why?
Sex Factors
2
2022
480
0.210
Why?
Tocopherols
1
2023
9
0.210
Why?
Risk Assessment
2
2024
676
0.210
Why?
alpha-Tocopherol
1
2023
13
0.210
Why?
Adult
11
2023
8152
0.210
Why?
Diet, Vegetarian
1
2022
8
0.210
Why?
Flavonols
1
2022
11
0.210
Why?
Regression Analysis
4
2011
267
0.200
Why?
Vitamins
1
2022
21
0.200
Why?
Brain Infarction
1
2023
75
0.200
Why?
Dietary Supplements
1
2022
67
0.200
Why?
Life Expectancy
1
2022
28
0.200
Why?
Age Factors
2
2022
793
0.200
Why?
Cognitive Reserve
1
2022
39
0.190
Why?
Renin-Angiotensin System
1
2021
5
0.190
Why?
Stress, Psychological
2
2014
243
0.190
Why?
Blood-Brain Barrier
1
2021
39
0.180
Why?
Cost of Illness
1
2021
53
0.180
Why?
Brain
4
2024
1699
0.180
Why?
Noise
1
2020
31
0.180
Why?
Early Diagnosis
1
2020
68
0.180
Why?
Mental Status Schedule
2
2018
98
0.170
Why?
Neuroimaging
1
2020
133
0.170
Why?
Cerebral Cortex
1
2020
164
0.160
Why?
Confidence Intervals
2
2017
97
0.160
Why?
Residence Characteristics
1
2020
216
0.160
Why?
Metabolic Networks and Pathways
1
2018
12
0.160
Why?
Phototherapy
1
2019
36
0.160
Why?
Parkinsonian Disorders
1
2022
227
0.160
Why?
Social Networking
1
2018
11
0.150
Why?
Healthy Aging
1
2018
14
0.150
Why?
Hippocampus
1
2020
281
0.150
Why?
Interviews as Topic
2
2016
136
0.150
Why?
Psychotropic Drugs
1
2018
28
0.150
Why?
Behavioral Symptoms
1
2018
15
0.150
Why?
Odds Ratio
2
2017
274
0.150
Why?
Nursing Homes
1
2018
37
0.150
Why?
Socioeconomic Factors
3
2014
311
0.150
Why?
Social Environment
1
2018
84
0.140
Why?
Defecation
1
2017
5
0.140
Why?
Low Back Pain
1
2019
121
0.140
Why?
Starch
1
2017
10
0.140
Why?
Surveys and Questionnaires
5
2016
1216
0.140
Why?
Pain Management
1
2019
147
0.140
Why?
Microspheres
1
2017
24
0.140
Why?
Genetic Association Studies
1
2017
86
0.140
Why?
Dietary Fiber
1
2017
25
0.140
Why?
Prebiotics
1
2017
25
0.140
Why?
Invasive Fungal Infections
1
2017
5
0.140
Why?
Mucormycosis
1
2017
9
0.140
Why?
Frozen Sections
1
2017
13
0.140
Why?
Aspergillosis
1
2017
13
0.140
Why?
Birth Order
1
2016
1
0.140
Why?
Parity
1
2016
2
0.140
Why?
Reproductive Behavior
1
2016
2
0.140
Why?
Reproduction
1
2016
10
0.140
Why?
Iodide Peroxidase
1
2018
112
0.140
Why?
Quantitative Trait Loci
1
2016
46
0.140
Why?
Warfare
1
2016
14
0.130
Why?
Inflammation
1
2018
288
0.130
Why?
Terrorism
1
2016
14
0.130
Why?
Interview, Psychological
2
2014
42
0.130
Why?
Parkinson Disease
2
2022
847
0.130
Why?
Reading
1
2016
41
0.130
Why?
Brief Psychiatric Rating Scale
1
2015
7
0.120
Why?
Clinical Competence
2
2015
247
0.120
Why?
Overweight
2
2014
77
0.120
Why?
Self Report
1
2016
226
0.120
Why?
Carbohydrate Metabolism
1
2015
4
0.120
Why?
Carbohydrates
1
2015
6
0.120
Why?
Insulin
2
2014
90
0.120
Why?
Chromatography, Gas
1
2015
10
0.120
Why?
Urinalysis
1
2015
9
0.120
Why?
Models, Genetic
1
2015
35
0.120
Why?
Blood Glucose
2
2014
109
0.120
Why?
Health Status
2
2014
228
0.120
Why?
Adipose Tissue
3
2005
79
0.120
Why?
Anxiety Disorders
1
2016
171
0.120
Why?
Rhinitis
1
2017
143
0.120
Why?
Educational Measurement
1
2015
60
0.120
Why?
Sinusitis
1
2017
162
0.120
Why?
Demography
1
2014
75
0.120
Why?
Hospitalization
2
2014
322
0.110
Why?
Intelligence Tests
1
2014
15
0.110
Why?
Cats
1
2014
29
0.110
Why?
Hypoglycemia
1
2014
13
0.110
Why?
Models, Psychological
1
2014
78
0.110
Why?
Medicare
1
2014
121
0.110
Why?
Colitis, Ulcerative
1
2014
64
0.110
Why?
Proportional Hazards Models
1
2014
352
0.110
Why?
Mindfulness
1
2014
48
0.110
Why?
Stress Disorders, Post-Traumatic
1
2016
232
0.110
Why?
Intestinal Mucosa
1
2015
192
0.110
Why?
Ultrasonography
1
2015
241
0.110
Why?
Psychiatric Status Rating Scales
1
2014
329
0.100
Why?
Emergency Medicine
1
2015
97
0.100
Why?
Databases, Factual
1
2014
358
0.100
Why?
Urban Population
1
2013
159
0.100
Why?
Colonoscopy
1
2013
74
0.100
Why?
Diabetes Mellitus
1
2014
137
0.100
Why?
Adenoma
1
2013
61
0.100
Why?
Social Support
1
2014
216
0.100
Why?
Multicenter Studies as Topic
1
2011
51
0.100
Why?
Vascular Diseases
1
2011
44
0.090
Why?
Colorectal Neoplasms
1
2013
113
0.090
Why?
ROC Curve
1
2011
145
0.090
Why?
Gait
1
2015
411
0.090
Why?
Breast Neoplasms
3
2004
413
0.090
Why?
Elder Abuse
1
2011
36
0.090
Why?
Prostatic Neoplasms
1
2011
104
0.090
Why?
Frail Elderly
1
2010
53
0.090
Why?
Testosterone
3
2004
28
0.080
Why?
Self Care
1
2010
105
0.080
Why?
Computer Simulation
1
2010
204
0.080
Why?
Quality of Life
1
2014
660
0.080
Why?
Femoracetabular Impingement
1
2015
373
0.070
Why?
Sensitivity and Specificity
3
2017
520
0.070
Why?
Algorithms
1
2010
378
0.070
Why?
Common Cold
1
2006
6
0.070
Why?
Young Adult
3
2018
2100
0.070
Why?
C-Reactive Protein
2
2018
104
0.060
Why?
Animals
1
2014
3798
0.060
Why?
Pilot Projects
2
2019
440
0.060
Why?
Smoking Prevention
1
2005
17
0.060
Why?
Phenotype
2
2016
308
0.060
Why?
Feces
2
2017
109
0.060
Why?
Parent-Child Relations
1
2005
40
0.060
Why?
Observer Variation
2
2015
104
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?
Diet, Reducing
1
2004
12
0.060
Why?
Smoking Cessation
1
2005
48
0.060
Why?
Zinc
1
2024
44
0.060
Why?
Sulfotransferases
1
2004
6
0.060
Why?
Androgens
1
2004
8
0.060
Why?
Glucuronosyltransferase
1
2004
4
0.060
Why?
Attitude to Health
1
2005
105
0.060
Why?
Double-Blind Method
2
2017
424
0.060
Why?
Metabolic Syndrome
1
2005
62
0.060
Why?
Estrogens
1
2004
26
0.060
Why?
Psychomotor Performance
2
2018
213
0.060
Why?
Parents
1
2005
126
0.060
Why?
Gonadal Steroid Hormones
1
2003
8
0.050
Why?
Quercetin
1
2022
13
0.050
Why?
Kaempferols
1
2022
12
0.050
Why?
Eating
1
2022
58
0.050
Why?
Cross-Sectional Studies
2
2016
939
0.050
Why?
Leisure Activities
1
2022
15
0.050
Why?
Memory, Short-Term
1
2022
103
0.050
Why?
Diet Surveys
1
2021
26
0.050
Why?
Logistic Models
2
2013
397
0.050
Why?
Washington
3
2006
5
0.050
Why?
Atrophy
1
2021
91
0.050
Why?
Tremor
1
2022
117
0.040
Why?
Autopsy
1
2021
346
0.040
Why?
Alcohol Drinking
1
2020
81
0.040
Why?
Smoking
2
2015
179
0.040
Why?
Memory
2
2011
308
0.040
Why?
Pain Threshold
1
2019
21
0.040
Why?
Mendelian Randomization Analysis
1
2018
8
0.040
Why?
Child
2
2018
1423
0.040
Why?
Military Personnel
1
2019
40
0.040
Why?
Neurotic Disorders
1
2018
19
0.040
Why?
Threonine
1
2018
10
0.040
Why?
Amino Acid Substitution
1
2018
24
0.040
Why?
Alanine
1
2018
13
0.040
Why?
Gene Frequency
1
2018
60
0.040
Why?
Community Health Planning
1
2018
22
0.040
Why?
Schizophrenia
1
2018
68
0.040
Why?
Awareness
1
2018
45
0.040
Why?
Bipolar Disorder
1
2018
109
0.040
Why?
Chronic Pain
1
2019
114
0.040
Why?
Veterans
1
2019
93
0.040
Why?
Fermentation
1
2017
12
0.040
Why?
Constipation
1
2017
19
0.040
Why?
Liver
1
2018
160
0.040
Why?
Fatty Acids, Volatile
1
2017
36
0.040
Why?
Educational Status
1
2018
298
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?
Adolescent
2
2018
2324
0.030
Why?
Maternal Age
1
2016
15
0.030
Why?
Oncogene Protein v-akt
1
2016
11
0.030
Why?
Immunocompromised Host
1
2017
45
0.030
Why?
Gastrointestinal Tract
1
2017
53
0.030
Why?
Fertility
1
2016
18
0.030
Why?
Russia
1
2016
4
0.030
Why?
Jews
1
2016
4
0.030
Why?
Israel
1
2016
17
0.030
Why?
Emigration and Immigration
1
2016
16
0.030
Why?
Nose
1
2017
36
0.030
Why?
Arabs
1
2016
9
0.030
Why?
Phosphatidylinositol 3-Kinases
1
2016
44
0.030
Why?
Case-Control Studies
1
2018
600
0.030
Why?
Acute Disease
1
2017
208
0.030
Why?
Sleep
1
2019
355
0.030
Why?
Ankle
1
2015
24
0.030
Why?
Gallbladder
1
2015
4
0.030
Why?
Anatomic Landmarks
1
2015
5
0.030
Why?
Pregnancy
1
2016
340
0.030
Why?
Circadian Rhythm
1
2019
297
0.030
Why?
Endoscopy
1
2017
182
0.030
Why?
Chromosomes, Human
1
2015
7
0.030
Why?
Knee
1
2015
46
0.030
Why?
Kidney Function Tests
1
2015
22
0.030
Why?
Meta-Analysis as Topic
1
2015
42
0.030
Why?
Healthy Volunteers
1
2015
44
0.030
Why?
Gastrointestinal Microbiome
1
2017
184
0.030
Why?
Intestinal Absorption
1
2015
37
0.030
Why?
Decision Making
1
2017
227
0.030
Why?
Hip
1
2015
65
0.030
Why?
Permeability
1
2015
119
0.030
Why?
Kinetics
1
2015
185
0.030
Why?
China
1
2014
52
0.030
Why?
Retrospective Studies
2
2014
3612
0.030
Why?
Leukocyte L1 Antigen Complex
1
2014
8
0.030
Why?
Body Weight
2
2004
145
0.030
Why?
Interleukins
1
2014
25
0.030
Why?
Estrone
2
2004
8
0.030
Why?
Sex Hormone-Binding Globulin
2
2004
16
0.030
Why?
Point-of-Care Systems
1
2015
62
0.030
Why?
Hydrocortisone
1
2014
40
0.030
Why?
Sex Characteristics
1
2015
120
0.030
Why?
Estradiol
2
2004
41
0.030
Why?
Disease-Free Survival
1
2014
177
0.030
Why?
Acute Kidney Injury
1
2014
46
0.030
Why?
Radiography
1
2015
651
0.030
Why?
Patient Compliance
2
2005
165
0.030
Why?
Chi-Square Distribution
1
2013
146
0.030
Why?
Biomechanical Phenomena
1
2015
676
0.030
Why?
Attention
1
2014
138
0.030
Why?
Critical Illness
1
2014
134
0.020
Why?
Medical Record Linkage
1
2011
1
0.020
Why?
Early Detection of Cancer
1
2013
105
0.020
Why?
Range of Motion, Articular
1
2015
725
0.020
Why?
Length of Stay
1
2014
328
0.020
Why?
Perception
1
2011
76
0.020
Why?
Intensive Care Units
1
2014
295
0.020
Why?
Risk
1
2011
208
0.020
Why?
Cross Infection
1
2014
282
0.020
Why?
Trail Making Test
1
2010
4
0.020
Why?
Wechsler Scales
1
2010
10
0.020
Why?
Epidemiologic Research Design
1
2010
16
0.020
Why?
Psychometrics
1
2010
242
0.020
Why?
Caregivers
1
2011
203
0.020
Why?
Influenza Vaccines
1
2006
11
0.020
Why?
Severity of Illness Index
1
2010
992
0.020
Why?
Respiratory Tract Infections
1
2006
27
0.020
Why?
Leptin
1
2005
22
0.020
Why?
Health Education
1
2005
54
0.020
Why?
Ghrelin
1
2004
2
0.020
Why?
Body Size
1
2004
13
0.010
Why?
Homeostasis
1
2005
69
0.010
Why?
Insulin Resistance
1
2005
52
0.010
Why?
Arylsulfotransferase
1
2004
1
0.010
Why?
Radioimmunoassay
1
2004
17
0.010
Why?
Body Composition
1
2005
69
0.010
Why?
Receptors, Progesterone
1
2004
25
0.010
Why?
Energy Intake
1
2004
83
0.010
Why?
Polymorphism, Genetic
1
2004
59
0.010
Why?
Receptors, Estrogen
1
2004
61
0.010
Why?
New Mexico
1
2003
3
0.010
Why?
Dehydroepiandrosterone Sulfate
1
2003
5
0.010
Why?
Anthropometry
1
2003
36
0.010
Why?
Absorptiometry, Photon
1
2003
82
0.010
Why?
Neoplasm Staging
1
2003
372
0.010
Why?
Tomography, X-Ray Computed
1
2004
772
0.010
Why?
Rajan's Networks
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