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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
803
13.400
Why?
Apolipoprotein E4
17
2025
184
6.620
Why?
Alzheimer Disease
23
2025
1406
5.580
Why?
Aged
82
2025
7638
3.710
Why?
Cognition
30
2024
1025
3.530
Why?
Female
88
2025
13117
2.890
Why?
tau Proteins
6
2025
153
2.850
Why?
Male
78
2025
12636
2.770
Why?
Chicago
29
2025
847
2.770
Why?
Cognition Disorders
14
2018
724
2.760
Why?
Neurofilament Proteins
4
2025
17
2.630
Why?
Humans
105
2025
23156
2.590
Why?
Aged, 80 and over
41
2025
3857
2.510
Why?
Stroke
6
2023
243
2.410
Why?
Longitudinal Studies
28
2025
1103
2.340
Why?
Aging
14
2025
1175
2.330
Why?
Neurodegenerative Diseases
3
2025
98
2.320
Why?
Cohort Studies
25
2025
1463
2.150
Why?
Biomarkers
11
2025
481
2.000
Why?
Risk Factors
25
2025
2019
1.920
Why?
Apolipoproteins E
8
2023
160
1.790
Why?
Glial Fibrillary Acidic Protein
3
2025
39
1.750
Why?
Alleles
9
2024
172
1.720
Why?
Activities of Daily Living
9
2018
368
1.610
Why?
Blood Pressure
3
2024
171
1.500
Why?
Exercise
9
2023
404
1.500
Why?
White Matter
3
2022
113
1.460
Why?
Prospective Studies
15
2025
1511
1.390
Why?
Dementia
9
2024
415
1.330
Why?
Population Surveillance
3
2021
105
1.320
Why?
Vitamin E
2
2023
38
1.170
Why?
Intermediate Filaments
4
2023
19
1.160
Why?
Cardiovascular Diseases
2
2025
295
1.140
Why?
Genotype
7
2024
265
1.130
Why?
Incidence
12
2025
631
1.130
Why?
Disease Progression
11
2019
543
1.080
Why?
Memory Disorders
3
2024
115
1.080
Why?
Loneliness
2
2025
45
1.040
Why?
Dietary Approaches To Stop Hypertension
2
2024
26
1.040
Why?
Diet, Mediterranean
3
2024
72
1.020
Why?
Mortality
4
2021
76
0.980
Why?
United States
12
2024
1796
0.880
Why?
Lipids
1
2025
46
0.880
Why?
Social Isolation
1
2025
22
0.880
Why?
Disability Evaluation
4
2014
225
0.860
Why?
Dietary Fats
1
2024
37
0.830
Why?
Whole Grains
1
2023
4
0.820
Why?
Depression
4
2014
383
0.790
Why?
Neuropathology
3
2021
63
0.780
Why?
Vitamin D
1
2022
28
0.740
Why?
Healthy Lifestyle
5
2024
39
0.730
Why?
Independent Living
5
2025
240
0.710
Why?
Antihypertensive Agents
2
2021
42
0.710
Why?
Membrane Proteins
1
2021
140
0.650
Why?
Follow-Up Studies
11
2024
1430
0.640
Why?
Geriatric Assessment
5
2021
171
0.630
Why?
Neuropsychological Tests
11
2018
916
0.600
Why?
Time Factors
10
2021
1264
0.570
Why?
Diet
4
2023
181
0.560
Why?
Genetic Predisposition to Disease
6
2022
277
0.530
Why?
Art
1
2016
1
0.510
Why?
Mental Status and Dementia Tests
3
2023
46
0.500
Why?
Music
1
2016
20
0.500
Why?
Diabetes Complications
1
2016
47
0.490
Why?
Models, Statistical
2
2021
116
0.480
Why?
Life Style
5
2022
167
0.480
Why?
Prevalence
3
2023
380
0.470
Why?
Obesity
6
2014
288
0.460
Why?
Body Mass Index
6
2018
381
0.450
Why?
Cognitive Aging
4
2021
64
0.450
Why?
Mobility Limitation
2
2015
78
0.450
Why?
Depressive Disorder
1
2015
163
0.430
Why?
Diabetes Mellitus, Type 2
1
2016
150
0.430
Why?
Genome-Wide Association Study
5
2022
160
0.430
Why?
Polymorphism, Single Nucleotide
5
2021
176
0.420
Why?
Gene-Environment Interaction
1
2014
13
0.420
Why?
Dopamine Agents
1
2014
11
0.410
Why?
Memantine
1
2014
8
0.410
Why?
Motor Activity
2
2015
274
0.410
Why?
Antioxidants
1
2014
56
0.400
Why?
Memory, Episodic
3
2018
81
0.380
Why?
Health Status Disparities
1
2013
66
0.380
Why?
Diagnosis
1
2011
18
0.360
Why?
Medical Informatics
1
2011
8
0.360
Why?
Area Under Curve
1
2011
58
0.360
Why?
Linear Models
3
2016
202
0.340
Why?
Disabled Persons
1
2012
89
0.330
Why?
Refusal to Participate
1
2010
2
0.330
Why?
Predictive Value of Tests
3
2021
437
0.330
Why?
Middle Aged
21
2019
7964
0.300
Why?
Age of Onset
3
2014
74
0.290
Why?
Genetic Loci
3
2018
31
0.290
Why?
Magnetic Resonance Imaging
2
2022
871
0.270
Why?
Postmenopause
7
2006
57
0.260
Why?
Hypertension
2
2024
169
0.240
Why?
Triglycerides
2
2025
54
0.240
Why?
Neuroticism
2
2023
23
0.230
Why?
Hypoglycemic Agents
2
2016
36
0.220
Why?
Amyloid beta-Peptides
2
2024
210
0.220
Why?
Vehicle Emissions
1
2024
5
0.220
Why?
Cholesterol
1
2025
57
0.220
Why?
Air Pollutants
1
2024
11
0.220
Why?
Air Pollution
1
2024
14
0.220
Why?
Environmental Exposure
1
2024
18
0.220
Why?
Particulate Matter
1
2024
16
0.220
Why?
Survivors
3
2022
69
0.220
Why?
Adult
11
2023
6942
0.220
Why?
Heterozygote
1
2025
90
0.220
Why?
Sex Factors
2
2022
399
0.200
Why?
Risk Assessment
2
2024
550
0.200
Why?
Florida
1
2023
15
0.200
Why?
Tocopherols
1
2023
8
0.190
Why?
alpha-Tocopherol
1
2023
12
0.190
Why?
Regression Analysis
4
2011
215
0.190
Why?
Flavonols
1
2022
6
0.190
Why?
Diet, Vegetarian
1
2022
6
0.190
Why?
Age Factors
2
2022
650
0.190
Why?
Vitamins
1
2022
15
0.190
Why?
Brain Infarction
1
2023
63
0.190
Why?
Brain
4
2024
1241
0.190
Why?
Dietary Supplements
1
2022
55
0.180
Why?
Cognitive Reserve
1
2022
24
0.180
Why?
Life Expectancy
1
2022
22
0.180
Why?
Stress, Psychological
2
2014
215
0.180
Why?
Renin-Angiotensin System
1
2021
3
0.180
Why?
Blood-Brain Barrier
1
2021
34
0.170
Why?
Cost of Illness
1
2021
44
0.170
Why?
Noise
1
2020
24
0.160
Why?
Early Diagnosis
1
2020
51
0.160
Why?
Mental Status Schedule
2
2018
72
0.160
Why?
Neuroimaging
1
2020
105
0.160
Why?
Parkinsonian Disorders
1
2022
170
0.150
Why?
Cerebral Cortex
1
2020
128
0.150
Why?
Residence Characteristics
1
2020
179
0.150
Why?
Confidence Intervals
2
2017
77
0.150
Why?
Hippocampus
1
2020
196
0.150
Why?
Phototherapy
1
2019
27
0.150
Why?
Metabolic Networks and Pathways
1
2018
8
0.150
Why?
Social Networking
1
2018
9
0.140
Why?
Healthy Aging
1
2018
13
0.140
Why?
Odds Ratio
2
2017
227
0.140
Why?
Interviews as Topic
2
2016
112
0.140
Why?
Behavioral Symptoms
1
2018
12
0.140
Why?
Psychotropic Drugs
1
2018
25
0.140
Why?
Surveys and Questionnaires
5
2016
1036
0.140
Why?
Socioeconomic Factors
3
2014
269
0.140
Why?
Nursing Homes
1
2018
41
0.140
Why?
Parkinson Disease
2
2022
595
0.140
Why?
Social Environment
1
2018
71
0.130
Why?
Pain Management
1
2019
126
0.130
Why?
Genetic Association Studies
1
2017
58
0.130
Why?
Defecation
1
2017
5
0.130
Why?
Starch
1
2017
9
0.130
Why?
Low Back Pain
1
2019
129
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?
Aspergillosis
1
2017
11
0.130
Why?
Frozen Sections
1
2017
14
0.130
Why?
Inflammation
1
2018
230
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?
Iodide Peroxidase
1
2018
112
0.130
Why?
Reproduction
1
2016
9
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
0.120
Why?
Reading
1
2016
28
0.120
Why?
Clinical Competence
2
2015
189
0.120
Why?
Brief Psychiatric Rating Scale
1
2015
6
0.120
Why?
Overweight
2
2014
66
0.120
Why?
Self Report
1
2016
202
0.110
Why?
Insulin
2
2014
77
0.110
Why?
Health Status
2
2014
204
0.110
Why?
Carbohydrate Metabolism
1
2015
4
0.110
Why?
Carbohydrates
1
2015
4
0.110
Why?
Chromatography, Gas
1
2015
10
0.110
Why?
Urinalysis
1
2015
7
0.110
Why?
Rhinitis
1
2017
136
0.110
Why?
Blood Glucose
2
2014
104
0.110
Why?
Adipose Tissue
3
2005
73
0.110
Why?
Anxiety Disorders
1
2016
164
0.110
Why?
Models, Genetic
1
2015
32
0.110
Why?
Educational Measurement
1
2015
53
0.110
Why?
Sinusitis
1
2017
151
0.110
Why?
Hospitalization
2
2014
287
0.110
Why?
Demography
1
2014
60
0.110
Why?
Femoracetabular Impingement
1
2015
84
0.110
Why?
Intelligence Tests
1
2014
13
0.100
Why?
Cats
1
2014
28
0.100
Why?
Hypoglycemia
1
2014
12
0.100
Why?
Medicare
1
2014
108
0.100
Why?
Models, Psychological
1
2014
61
0.100
Why?
Proportional Hazards Models
1
2014
279
0.100
Why?
Stress Disorders, Post-Traumatic
1
2016
220
0.100
Why?
Colitis, Ulcerative
1
2014
57
0.100
Why?
Ultrasonography
1
2015
203
0.100
Why?
Intestinal Mucosa
1
2015
157
0.100
Why?
Mindfulness
1
2014
46
0.100
Why?
Psychiatric Status Rating Scales
1
2014
273
0.100
Why?
Databases, Factual
1
2014
310
0.100
Why?
Emergency Medicine
1
2015
93
0.100
Why?
Diabetes Mellitus
1
2014
107
0.100
Why?
Urban Population
1
2013
131
0.100
Why?
Social Support
1
2014
180
0.090
Why?
Colonoscopy
1
2013
73
0.090
Why?
Adenoma
1
2013
58
0.090
Why?
Multicenter Studies as Topic
1
2011
40
0.090
Why?
Breast Neoplasms
3
2004
375
0.090
Why?
Gait
1
2015
384
0.090
Why?
Vascular Diseases
1
2011
34
0.090
Why?
Colorectal Neoplasms
1
2013
107
0.090
Why?
ROC Curve
1
2011
121
0.090
Why?
Elder Abuse
1
2011
34
0.090
Why?
Prostatic Neoplasms
1
2011
92
0.080
Why?
Frail Elderly
1
2010
37
0.080
Why?
Self Care
1
2010
86
0.080
Why?
Testosterone
3
2004
27
0.080
Why?
Quality of Life
1
2014
564
0.080
Why?
Computer Simulation
1
2010
173
0.080
Why?
Algorithms
1
2010
304
0.070
Why?
Sensitivity and Specificity
3
2017
444
0.070
Why?
Young Adult
3
2018
1654
0.070
Why?
Common Cold
1
2006
5
0.060
Why?
Animals
1
2014
3270
0.060
Why?
C-Reactive Protein
2
2018
93
0.060
Why?
Pilot Projects
2
2019
369
0.060
Why?
Phenotype
2
2016
260
0.060
Why?
Smoking Prevention
1
2005
17
0.060
Why?
Feces
2
2017
80
0.060
Why?
Parent-Child Relations
1
2005
37
0.060
Why?
Observer Variation
2
2015
83
0.060
Why?
Smoking Cessation
1
2005
37
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
15
0.060
Why?
Diet, Reducing
1
2004
12
0.060
Why?
Attitude to Health
1
2005
91
0.050
Why?
Double-Blind Method
2
2017
374
0.050
Why?
Zinc
1
2024
39
0.050
Why?
Sulfotransferases
1
2004
4
0.050
Why?
Androgens
1
2004
7
0.050
Why?
Glucuronosyltransferase
1
2004
4
0.050
Why?
Psychomotor Performance
2
2018
162
0.050
Why?
Metabolic Syndrome
1
2005
55
0.050
Why?
Estrogens
1
2004
26
0.050
Why?
Parents
1
2005
107
0.050
Why?
Gonadal Steroid Hormones
1
2003
9
0.050
Why?
Cross-Sectional Studies
2
2016
775
0.050
Why?
Quercetin
1
2022
6
0.050
Why?
Kaempferols
1
2022
7
0.050
Why?
Eating
1
2022
47
0.050
Why?
Memory, Short-Term
1
2022
81
0.050
Why?
Leisure Activities
1
2022
12
0.050
Why?
Logistic Models
2
2013
356
0.040
Why?
Diet Surveys
1
2021
24
0.040
Why?
Washington
3
2006
4
0.040
Why?
Atrophy
1
2021
65
0.040
Why?
Tremor
1
2022
94
0.040
Why?
Autopsy
1
2021
260
0.040
Why?
Memory
2
2011
223
0.040
Why?
Alcohol Drinking
1
2020
65
0.040
Why?
Child
2
2018
1160
0.040
Why?
Smoking
2
2015
163
0.040
Why?
Pain Threshold
1
2019
25
0.040
Why?
Mendelian Randomization Analysis
1
2018
5
0.040
Why?
Military Personnel
1
2019
37
0.040
Why?
Schizophrenia
1
2018
46
0.040
Why?
Neurotic Disorders
1
2018
15
0.040
Why?
Adolescent
2
2018
1883
0.040
Why?
Threonine
1
2018
8
0.040
Why?
Amino Acid Substitution
1
2018
20
0.040
Why?
Awareness
1
2018
40
0.030
Why?
Gene Frequency
1
2018
42
0.030
Why?
Alanine
1
2018
12
0.030
Why?
Community Health Planning
1
2018
14
0.030
Why?
Bipolar Disorder
1
2018
99
0.030
Why?
Educational Status
1
2018
223
0.030
Why?
Liver
1
2018
135
0.030
Why?
Veterans
1
2019
87
0.030
Why?
Fermentation
1
2017
13
0.030
Why?
Constipation
1
2017
16
0.030
Why?
Chronic Pain
1
2019
127
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
41
0.030
Why?
Case-Control Studies
1
2018
485
0.030
Why?
Maternal Age
1
2016
13
0.030
Why?
Immunocompromised Host
1
2017
42
0.030
Why?
Oncogene Protein v-akt
1
2016
8
0.030
Why?
Fertility
1
2016
17
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?
Sleep
1
2019
270
0.030
Why?
Emigration and Immigration
1
2016
13
0.030
Why?
Arabs
1
2016
8
0.030
Why?
Acute Disease
1
2017
163
0.030
Why?
Phosphatidylinositol 3-Kinases
1
2016
40
0.030
Why?
Circadian Rhythm
1
2019
213
0.030
Why?
Retrospective Studies
2
2014
2989
0.030
Why?
Pregnancy
1
2016
324
0.030
Why?
Endoscopy
1
2017
166
0.030
Why?
Ankle
1
2015
18
0.030
Why?
Gastrointestinal Microbiome
1
2017
124
0.030
Why?
Gallbladder
1
2015
3
0.030
Why?
Hip
1
2015
27
0.030
Why?
Anatomic Landmarks
1
2015
5
0.030
Why?
Decision Making
1
2017
179
0.030
Why?
Knee
1
2015
37
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
23
0.030
Why?
Healthy Volunteers
1
2015
31
0.030
Why?
Intestinal Absorption
1
2015
29
0.030
Why?
Permeability
1
2015
94
0.030
Why?
Kinetics
1
2015
174
0.030
Why?
China
1
2014
45
0.030
Why?
Body Weight
2
2004
129
0.030
Why?
Leukocyte L1 Antigen Complex
1
2014
6
0.030
Why?
Sex Characteristics
1
2015
91
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
29
0.030
Why?
Sex Hormone-Binding Globulin
2
2004
16
0.030
Why?
Radiography
1
2015
521
0.030
Why?
Estradiol
2
2004
52
0.030
Why?
Disease-Free Survival
1
2014
171
0.030
Why?
Acute Kidney Injury
1
2014
34
0.030
Why?
Biomechanical Phenomena
1
2015
535
0.030
Why?
Patient Compliance
2
2005
146
0.030
Why?
Attention
1
2014
101
0.020
Why?
Chi-Square Distribution
1
2013
125
0.020
Why?
Critical Illness
1
2014
98
0.020
Why?
Range of Motion, Articular
1
2015
564
0.020
Why?
Early Detection of Cancer
1
2013
100
0.020
Why?
Intensive Care Units
1
2014
234
0.020
Why?
Medical Record Linkage
1
2011
1
0.020
Why?
Length of Stay
1
2014
297
0.020
Why?
Perception
1
2011
66
0.020
Why?
Risk
1
2011
166
0.020
Why?
Cross Infection
1
2014
295
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
13
0.020
Why?
Psychometrics
1
2010
184
0.020
Why?
Caregivers
1
2011
192
0.020
Why?
Severity of Illness Index
1
2010
804
0.020
Why?
Influenza Vaccines
1
2006
9
0.020
Why?
Respiratory Tract Infections
1
2006
23
0.020
Why?
Health Education
1
2005
40
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
66
0.010
Why?
Arylsulfotransferase
1
2004
1
0.010
Why?
Radioimmunoassay
1
2004
19
0.010
Why?
Energy Intake
1
2004
77
0.010
Why?
Receptors, Progesterone
1
2004
26
0.010
Why?
Polymorphism, Genetic
1
2004
48
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
86
0.010
Why?
Neoplasm Staging
1
2003
353
0.010
Why?
Tomography, X-Ray Computed
1
2004
576
0.010
Why?
Rajan's Networks
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