Header Logo

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
990
12.830
Why?
Apolipoprotein E4
17
2025
251
6.640
Why?
Alzheimer Disease
23
2025
2036
5.020
Why?
Aged
82
2025
8732
3.600
Why?
Cognition
30
2024
1250
3.400
Why?
tau Proteins
6
2025
225
2.870
Why?
Chicago
29
2025
898
2.830
Why?
Female
88
2025
14734
2.790
Why?
Neurofilament Proteins
4
2025
17
2.740
Why?
Male
78
2025
14277
2.670
Why?
Cognition Disorders
14
2018
957
2.610
Why?
Humans
105
2025
25967
2.510
Why?
Stroke
6
2023
259
2.470
Why?
Aged, 80 and over
41
2025
4641
2.410
Why?
Neurodegenerative Diseases
3
2025
123
2.340
Why?
Longitudinal Studies
28
2025
1333
2.320
Why?
Aging
14
2025
1483
2.180
Why?
Cohort Studies
25
2025
1806
2.080
Why?
Biomarkers
11
2025
544
2.030
Why?
Risk Factors
25
2025
2237
1.920
Why?
Glial Fibrillary Acidic Protein
3
2025
43
1.810
Why?
Apolipoproteins E
8
2023
235
1.790
Why?
Alleles
9
2024
204
1.770
Why?
Blood Pressure
3
2024
184
1.550
Why?
Exercise
9
2023
434
1.520
Why?
White Matter
3
2022
131
1.490
Why?
Activities of Daily Living
9
2018
575
1.490
Why?
Prospective Studies
15
2025
1701
1.390
Why?
Population Surveillance
3
2021
112
1.370
Why?
Dementia
9
2024
524
1.290
Why?
Vitamin E
2
2023
43
1.220
Why?
Intermediate Filaments
4
2023
19
1.200
Why?
Cardiovascular Diseases
2
2025
307
1.170
Why?
Genotype
7
2024
339
1.160
Why?
Incidence
12
2025
729
1.140
Why?
Memory Disorders
3
2024
154
1.090
Why?
Disease Progression
11
2019
655
1.090
Why?
Dietary Approaches To Stop Hypertension
2
2024
30
1.070
Why?
Loneliness
2
2025
54
1.070
Why?
Diet, Mediterranean
3
2024
82
1.050
Why?
Mortality
4
2021
87
1.010
Why?
Lipids
1
2025
48
0.920
Why?
Social Isolation
1
2025
26
0.910
Why?
United States
12
2024
1989
0.890
Why?
Disability Evaluation
4
2014
255
0.880
Why?
Dietary Fats
1
2024
39
0.860
Why?
Whole Grains
1
2023
4
0.860
Why?
Neuropathology
3
2021
79
0.800
Why?
Depression
4
2014
412
0.800
Why?
Vitamin D
1
2022
31
0.760
Why?
Healthy Lifestyle
5
2024
41
0.750
Why?
Antihypertensive Agents
2
2021
46
0.740
Why?
Independent Living
5
2025
283
0.720
Why?
Membrane Proteins
1
2021
169
0.670
Why?
Geriatric Assessment
5
2021
201
0.650
Why?
Follow-Up Studies
11
2024
1757
0.610
Why?
Neuropsychological Tests
11
2018
1150
0.590
Why?
Time Factors
10
2021
1391
0.580
Why?
Diet
4
2023
197
0.580
Why?
Art
1
2016
1
0.530
Why?
Genetic Predisposition to Disease
6
2022
366
0.520
Why?
Mental Status and Dementia Tests
3
2023
53
0.520
Why?
Music
1
2016
22
0.520
Why?
Diabetes Complications
1
2016
55
0.510
Why?
Models, Statistical
2
2021
126
0.500
Why?
Life Style
5
2022
177
0.490
Why?
Prevalence
3
2023
433
0.480
Why?
Obesity
6
2014
297
0.480
Why?
Mobility Limitation
2
2015
92
0.460
Why?
Cognitive Aging
4
2021
77
0.460
Why?
Body Mass Index
6
2018
449
0.450
Why?
Depressive Disorder
1
2015
172
0.450
Why?
Diabetes Mellitus, Type 2
1
2016
160
0.440
Why?
Gene-Environment Interaction
1
2014
17
0.440
Why?
Dopamine Agents
1
2014
11
0.430
Why?
Memantine
1
2014
9
0.430
Why?
Polymorphism, Single Nucleotide
5
2021
263
0.430
Why?
Genome-Wide Association Study
5
2022
268
0.430
Why?
Antioxidants
1
2014
60
0.420
Why?
Motor Activity
2
2015
317
0.420
Why?
Health Status Disparities
1
2013
73
0.390
Why?
Memory, Episodic
3
2018
110
0.390
Why?
Diagnosis
1
2011
23
0.370
Why?
Area Under Curve
1
2011
63
0.370
Why?
Medical Informatics
1
2011
10
0.370
Why?
Linear Models
3
2016
240
0.350
Why?
Refusal to Participate
1
2010
2
0.340
Why?
Disabled Persons
1
2012
107
0.340
Why?
Predictive Value of Tests
3
2021
466
0.340
Why?
Age of Onset
3
2014
89
0.300
Why?
Middle Aged
21
2019
8772
0.300
Why?
Genetic Loci
3
2018
51
0.290
Why?
Postmenopause
7
2006
57
0.270
Why?
Magnetic Resonance Imaging
2
2022
1059
0.260
Why?
Hypertension
2
2024
181
0.250
Why?
Triglycerides
2
2025
56
0.250
Why?
Neuroticism
2
2023
32
0.240
Why?
Hypoglycemic Agents
2
2016
36
0.230
Why?
Vehicle Emissions
1
2024
5
0.230
Why?
Cholesterol
1
2025
59
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
17
0.230
Why?
Survivors
3
2022
68
0.230
Why?
Heterozygote
1
2025
98
0.220
Why?
Amyloid beta-Peptides
2
2024
309
0.220
Why?
Adult
11
2023
7662
0.210
Why?
Florida
1
2023
17
0.210
Why?
Sex Factors
2
2022
454
0.210
Why?
Risk Assessment
2
2024
603
0.210
Why?
Tocopherols
1
2023
8
0.200
Why?
alpha-Tocopherol
1
2023
13
0.200
Why?
Flavonols
1
2022
7
0.200
Why?
Diet, Vegetarian
1
2022
6
0.200
Why?
Regression Analysis
4
2011
251
0.200
Why?
Vitamins
1
2022
16
0.200
Why?
Brain Infarction
1
2023
76
0.190
Why?
Dietary Supplements
1
2022
58
0.190
Why?
Age Factors
2
2022
757
0.190
Why?
Life Expectancy
1
2022
26
0.190
Why?
Cognitive Reserve
1
2022
39
0.190
Why?
Stress, Psychological
2
2014
227
0.180
Why?
Renin-Angiotensin System
1
2021
3
0.180
Why?
Brain
4
2024
1569
0.180
Why?
Blood-Brain Barrier
1
2021
36
0.180
Why?
Cost of Illness
1
2021
49
0.170
Why?
Noise
1
2020
24
0.170
Why?
Early Diagnosis
1
2020
57
0.170
Why?
Mental Status Schedule
2
2018
89
0.160
Why?
Neuroimaging
1
2020
120
0.160
Why?
Cerebral Cortex
1
2020
151
0.160
Why?
Residence Characteristics
1
2020
205
0.150
Why?
Parkinsonian Disorders
1
2022
213
0.150
Why?
Confidence Intervals
2
2017
92
0.150
Why?
Phototherapy
1
2019
27
0.150
Why?
Metabolic Networks and Pathways
1
2018
12
0.150
Why?
Social Networking
1
2018
9
0.150
Why?
Hippocampus
1
2020
266
0.150
Why?
Healthy Aging
1
2018
14
0.150
Why?
Interviews as Topic
2
2016
124
0.150
Why?
Behavioral Symptoms
1
2018
12
0.140
Why?
Psychotropic Drugs
1
2018
26
0.140
Why?
Odds Ratio
2
2017
268
0.140
Why?
Nursing Homes
1
2018
41
0.140
Why?
Socioeconomic Factors
3
2014
294
0.140
Why?
Surveys and Questionnaires
5
2016
1107
0.140
Why?
Social Environment
1
2018
77
0.140
Why?
Parkinson Disease
2
2022
640
0.140
Why?
Pain Management
1
2019
141
0.140
Why?
Defecation
1
2017
5
0.140
Why?
Starch
1
2017
9
0.140
Why?
Microspheres
1
2017
24
0.140
Why?
Low Back Pain
1
2019
128
0.140
Why?
Genetic Association Studies
1
2017
83
0.140
Why?
Dietary Fiber
1
2017
25
0.140
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?
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?
Inflammation
1
2018
267
0.130
Why?
Iodide Peroxidase
1
2018
113
0.130
Why?
Quantitative Trait Loci
1
2016
44
0.130
Why?
Warfare
1
2016
12
0.130
Why?
Terrorism
1
2016
9
0.130
Why?
Interview, Psychological
2
2014
40
0.130
Why?
Reading
1
2016
37
0.120
Why?
Clinical Competence
2
2015
207
0.120
Why?
Brief Psychiatric Rating Scale
1
2015
6
0.120
Why?
Overweight
2
2014
69
0.120
Why?
Self Report
1
2016
217
0.120
Why?
Insulin
2
2014
84
0.120
Why?
Health Status
2
2014
214
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?
Blood Glucose
2
2014
102
0.120
Why?
Urinalysis
1
2015
8
0.120
Why?
Models, Genetic
1
2015
32
0.120
Why?
Rhinitis
1
2017
136
0.120
Why?
Adipose Tissue
3
2005
76
0.110
Why?
Anxiety Disorders
1
2016
169
0.110
Why?
Educational Measurement
1
2015
58
0.110
Why?
Sinusitis
1
2017
153
0.110
Why?
Demography
1
2014
71
0.110
Why?
Hospitalization
2
2014
301
0.110
Why?
Intelligence Tests
1
2014
15
0.110
Why?
Cats
1
2014
28
0.110
Why?
Hypoglycemia
1
2014
12
0.110
Why?
Models, Psychological
1
2014
67
0.110
Why?
Medicare
1
2014
116
0.110
Why?
Colitis, Ulcerative
1
2014
58
0.100
Why?
Intestinal Mucosa
1
2015
155
0.100
Why?
Ultrasonography
1
2015
207
0.100
Why?
Stress Disorders, Post-Traumatic
1
2016
221
0.100
Why?
Proportional Hazards Models
1
2014
332
0.100
Why?
Mindfulness
1
2014
46
0.100
Why?
Psychiatric Status Rating Scales
1
2014
296
0.100
Why?
Emergency Medicine
1
2015
93
0.100
Why?
Databases, Factual
1
2014
337
0.100
Why?
Diabetes Mellitus
1
2014
121
0.100
Why?
Urban Population
1
2013
149
0.100
Why?
Colonoscopy
1
2013
73
0.100
Why?
Social Support
1
2014
190
0.100
Why?
Adenoma
1
2013
61
0.100
Why?
Multicenter Studies as Topic
1
2011
40
0.090
Why?
Vascular Diseases
1
2011
40
0.090
Why?
Colorectal Neoplasms
1
2013
110
0.090
Why?
ROC Curve
1
2011
141
0.090
Why?
Gait
1
2015
408
0.090
Why?
Breast Neoplasms
3
2004
402
0.090
Why?
Elder Abuse
1
2011
35
0.090
Why?
Prostatic Neoplasms
1
2011
92
0.090
Why?
Frail Elderly
1
2010
46
0.080
Why?
Testosterone
3
2004
28
0.080
Why?
Self Care
1
2010
89
0.080
Why?
Quality of Life
1
2014
605
0.080
Why?
Computer Simulation
1
2010
193
0.080
Why?
Femoracetabular Impingement
1
2015
362
0.070
Why?
Sensitivity and Specificity
3
2017
473
0.070
Why?
Algorithms
1
2010
345
0.070
Why?
Common Cold
1
2006
5
0.070
Why?
Young Adult
3
2018
1941
0.060
Why?
Animals
1
2014
3503
0.060
Why?
C-Reactive Protein
2
2018
97
0.060
Why?
Pilot Projects
2
2019
390
0.060
Why?
Phenotype
2
2016
290
0.060
Why?
Smoking Prevention
1
2005
17
0.060
Why?
Feces
2
2017
80
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
16
0.060
Why?
Smoking Cessation
1
2005
46
0.060
Why?
Diet, Reducing
1
2004
12
0.060
Why?
Attitude to Health
1
2005
95
0.060
Why?
Zinc
1
2024
39
0.060
Why?
Double-Blind Method
2
2017
393
0.060
Why?
Sulfotransferases
1
2004
5
0.060
Why?
Androgens
1
2004
7
0.060
Why?
Glucuronosyltransferase
1
2004
4
0.060
Why?
Metabolic Syndrome
1
2005
56
0.060
Why?
Psychomotor Performance
2
2018
179
0.050
Why?
Estrogens
1
2004
26
0.050
Why?
Parents
1
2005
110
0.050
Why?
Gonadal Steroid Hormones
1
2003
10
0.050
Why?
Quercetin
1
2022
7
0.050
Why?
Kaempferols
1
2022
8
0.050
Why?
Cross-Sectional Studies
2
2016
851
0.050
Why?
Eating
1
2022
48
0.050
Why?
Memory, Short-Term
1
2022
91
0.050
Why?
Leisure Activities
1
2022
15
0.050
Why?
Diet Surveys
1
2021
26
0.050
Why?
Logistic Models
2
2013
391
0.050
Why?
Washington
3
2006
5
0.040
Why?
Atrophy
1
2021
83
0.040
Why?
Tremor
1
2022
101
0.040
Why?
Autopsy
1
2021
334
0.040
Why?
Alcohol Drinking
1
2020
72
0.040
Why?
Smoking
2
2015
180
0.040
Why?
Memory
2
2011
285
0.040
Why?
Child
2
2018
1217
0.040
Why?
Pain Threshold
1
2019
25
0.040
Why?
Mendelian Randomization Analysis
1
2018
8
0.040
Why?
Military Personnel
1
2019
38
0.040
Why?
Schizophrenia
1
2018
50
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
56
0.040
Why?
Awareness
1
2018
42
0.040
Why?
Community Health Planning
1
2018
18
0.040
Why?
Bipolar Disorder
1
2018
102
0.040
Why?
Adolescent
2
2018
2099
0.040
Why?
Liver
1
2018
143
0.030
Why?
Fermentation
1
2017
13
0.030
Why?
Constipation
1
2017
16
0.030
Why?
Veterans
1
2019
87
0.030
Why?
Educational Status
1
2018
282
0.030
Why?
Fatty Acids, Volatile
1
2017
26
0.030
Why?
Chronic Pain
1
2019
133
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?
Maternal Age
1
2016
13
0.030
Why?
Oncogene Protein v-akt
1
2016
10
0.030
Why?
Immunocompromised Host
1
2017
42
0.030
Why?
Fertility
1
2016
18
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
15
0.030
Why?
Arabs
1
2016
8
0.030
Why?
Sleep
1
2019
288
0.030
Why?
Acute Disease
1
2017
175
0.030
Why?
Phosphatidylinositol 3-Kinases
1
2016
46
0.030
Why?
Case-Control Studies
1
2018
571
0.030
Why?
Circadian Rhythm
1
2019
222
0.030
Why?
Pregnancy
1
2016
327
0.030
Why?
Ankle
1
2015
23
0.030
Why?
Endoscopy
1
2017
173
0.030
Why?
Gallbladder
1
2015
3
0.030
Why?
Anatomic Landmarks
1
2015
5
0.030
Why?
Gastrointestinal Microbiome
1
2017
125
0.030
Why?
Knee
1
2015
43
0.030
Why?
Chromosomes, Human
1
2015
6
0.030
Why?
Kidney Function Tests
1
2015
15
0.030
Why?
Meta-Analysis as Topic
1
2015
37
0.030
Why?
Healthy Volunteers
1
2015
37
0.030
Why?
Decision Making
1
2017
216
0.030
Why?
Intestinal Absorption
1
2015
30
0.030
Why?
Retrospective Studies
2
2014
3358
0.030
Why?
Permeability
1
2015
96
0.030
Why?
Hip
1
2015
66
0.030
Why?
Kinetics
1
2015
178
0.030
Why?
China
1
2014
48
0.030
Why?
Leukocyte L1 Antigen Complex
1
2014
6
0.030
Why?
Body Weight
2
2004
132
0.030
Why?
Interleukins
1
2014
23
0.030
Why?
Estrone
2
2004
8
0.030
Why?
Point-of-Care Systems
1
2015
58
0.030
Why?
Sex Characteristics
1
2015
113
0.030
Why?
Hydrocortisone
1
2014
38
0.030
Why?
Sex Hormone-Binding Globulin
2
2004
16
0.030
Why?
Estradiol
2
2004
53
0.030
Why?
Disease-Free Survival
1
2014
174
0.030
Why?
Acute Kidney Injury
1
2014
37
0.030
Why?
Patient Compliance
2
2005
149
0.030
Why?
Radiography
1
2015
616
0.030
Why?
Attention
1
2014
106
0.030
Why?
Biomechanical Phenomena
1
2015
633
0.030
Why?
Chi-Square Distribution
1
2013
137
0.030
Why?
Critical Illness
1
2014
110
0.020
Why?
Early Detection of Cancer
1
2013
102
0.020
Why?
Medical Record Linkage
1
2011
1
0.020
Why?
Range of Motion, Articular
1
2015
708
0.020
Why?
Intensive Care Units
1
2014
248
0.020
Why?
Length of Stay
1
2014
307
0.020
Why?
Perception
1
2011
75
0.020
Why?
Risk
1
2011
202
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
15
0.020
Why?
Psychometrics
1
2010
210
0.020
Why?
Caregivers
1
2011
193
0.020
Why?
Severity of Illness Index
1
2010
868
0.020
Why?
Influenza Vaccines
1
2006
9
0.020
Why?
Respiratory Tract Infections
1
2006
24
0.020
Why?
Health Education
1
2005
44
0.010
Why?
Leptin
1
2005
19
0.010
Why?
Ghrelin
1
2004
2
0.010
Why?
Body Size
1
2004
9
0.010
Why?
Homeostasis
1
2005
65
0.010
Why?
Insulin Resistance
1
2005
50
0.010
Why?
Arylsulfotransferase
1
2004
1
0.010
Why?
Body Composition
1
2005
68
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
54
0.010
Why?
Receptors, Estrogen
1
2004
64
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
83
0.010
Why?
Neoplasm Staging
1
2003
360
0.010
Why?
Tomography, X-Ray Computed
1
2004
648
0.010
Why?
Rajan's Networks
Click the
Explore
buttons for more information and interactive visualizations!
Concepts (378)
Explore
_
Co-Authors (49)
Explore
_
Similar People (56)
Explore
_
Same Department Expand Description
Explore
_