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Kumar Rajan

Concepts (362)

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
12.670
Why?
Apolipoprotein E4
17
2025
264
6.780
Why?
Alzheimer Disease
23
2025
2118
5.000
Why?
Aged
80
2025
9256
3.560
Why?
Cognition
30
2024
1352
3.370
Why?
tau Proteins
6
2025
235
2.960
Why?
Chicago
29
2025
939
2.890
Why?
Neurofilament Proteins
4
2025
17
2.840
Why?
Female
85
2025
15704
2.750
Why?
Male
78
2025
15269
2.630
Why?
Cognition Disorders
14
2018
1003
2.620
Why?
Stroke
6
2023
274
2.520
Why?
Humans
102
2025
28395
2.420
Why?
Neurodegenerative Diseases
3
2025
124
2.420
Why?
Aged, 80 and over
41
2025
4851
2.410
Why?
Longitudinal Studies
28
2025
1384
2.360
Why?
Aging
14
2025
1549
2.190
Why?
Cohort Studies
24
2025
1926
2.090
Why?
Biomarkers
11
2025
596
2.060
Why?
Risk Factors
24
2025
2408
1.910
Why?
Glial Fibrillary Acidic Protein
3
2025
42
1.880
Why?
Apolipoproteins E
8
2023
252
1.850
Why?
Alleles
9
2024
221
1.830
Why?
Blood Pressure
3
2024
207
1.580
Why?
White Matter
3
2022
134
1.530
Why?
Activities of Daily Living
9
2018
608
1.520
Why?
Exercise
8
2023
473
1.490
Why?
Population Surveillance
3
2021
110
1.420
Why?
Prospective Studies
14
2025
1804
1.380
Why?
Dementia
9
2024
573
1.300
Why?
Vitamin E
2
2023
44
1.260
Why?
Intermediate Filaments
4
2023
20
1.250
Why?
Genotype
6
2024
359
1.180
Why?
Incidence
12
2025
773
1.170
Why?
Cardiovascular Diseases
2
2025
372
1.150
Why?
Memory Disorders
3
2024
162
1.120
Why?
Disease Progression
11
2019
717
1.110
Why?
Loneliness
2
2025
61
1.090
Why?
Dietary Approaches To Stop Hypertension
2
2024
37
1.090
Why?
Diet, Mediterranean
3
2024
101
1.050
Why?
Mortality
4
2021
90
1.040
Why?
Lipids
1
2025
52
0.940
Why?
Social Isolation
1
2025
29
0.940
Why?
Dietary Fats
1
2024
38
0.890
Why?
Disability Evaluation
4
2014
289
0.880
Why?
Whole Grains
1
2023
7
0.880
Why?
United States
12
2024
2196
0.880
Why?
Neuropathology
3
2021
82
0.830
Why?
Depression
4
2014
452
0.800
Why?
Vitamin D
1
2022
41
0.780
Why?
Healthy Lifestyle
5
2024
46
0.780
Why?
Antihypertensive Agents
2
2021
81
0.740
Why?
Independent Living
5
2025
318
0.740
Why?
Membrane Proteins
1
2021
171
0.690
Why?
Geriatric Assessment
5
2021
211
0.660
Why?
Follow-Up Studies
11
2024
1858
0.620
Why?
Neuropsychological Tests
11
2018
1226
0.600
Why?
Time Factors
10
2021
1490
0.580
Why?
Diet
4
2023
220
0.580
Why?
Art
1
2016
1
0.550
Why?
Genetic Predisposition to Disease
6
2022
390
0.530
Why?
Mental Status and Dementia Tests
3
2023
69
0.530
Why?
Music
1
2016
24
0.530
Why?
Diabetes Complications
1
2016
59
0.520
Why?
Models, Statistical
2
2021
129
0.520
Why?
Life Style
5
2022
201
0.500
Why?
Prevalence
3
2023
467
0.490
Why?
Mobility Limitation
2
2015
94
0.480
Why?
Cognitive Aging
4
2021
78
0.480
Why?
Depressive Disorder
1
2015
185
0.460
Why?
Gene-Environment Interaction
1
2014
18
0.450
Why?
Body Mass Index
5
2018
465
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
284
0.440
Why?
Genome-Wide Association Study
5
2022
283
0.440
Why?
Obesity
4
2014
321
0.430
Why?
Antioxidants
1
2014
64
0.430
Why?
Motor Activity
2
2015
329
0.420
Why?
Health Status Disparities
1
2013
74
0.400
Why?
Memory, Episodic
3
2018
116
0.400
Why?
Diagnosis
1
2011
24
0.390
Why?
Area Under Curve
1
2011
62
0.380
Why?
Medical Informatics
1
2011
10
0.380
Why?
Linear Models
3
2016
251
0.360
Why?
Refusal to Participate
1
2010
2
0.360
Why?
Predictive Value of Tests
3
2021
492
0.350
Why?
Disabled Persons
1
2012
125
0.350
Why?
Age of Onset
3
2014
99
0.310
Why?
Genetic Loci
3
2018
51
0.300
Why?
Middle Aged
18
2019
9250
0.280
Why?
Magnetic Resonance Imaging
2
2022
1143
0.260
Why?
Triglycerides
2
2025
61
0.250
Why?
Neuroticism
2
2023
32
0.250
Why?
Hypertension
2
2024
244
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
64
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?
Heterozygote
1
2025
102
0.230
Why?
Amyloid beta-Peptides
2
2024
327
0.230
Why?
Survivors
2
2022
71
0.220
Why?
Florida
1
2023
22
0.220
Why?
Sex Factors
2
2022
475
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?
Diet, Vegetarian
1
2022
8
0.210
Why?
Flavonols
1
2022
11
0.200
Why?
Adult
10
2023
8097
0.200
Why?
Vitamins
1
2022
21
0.200
Why?
Brain Infarction
1
2023
75
0.200
Why?
Postmenopause
4
2006
52
0.200
Why?
Dietary Supplements
1
2022
67
0.200
Why?
Life Expectancy
1
2022
28
0.200
Why?
Age Factors
2
2022
781
0.200
Why?
Cognitive Reserve
1
2022
39
0.190
Why?
Regression Analysis
3
2011
266
0.190
Why?
Stress, Psychological
2
2014
241
0.190
Why?
Renin-Angiotensin System
1
2021
5
0.190
Why?
Blood-Brain Barrier
1
2021
39
0.180
Why?
Cost of Illness
1
2021
53
0.180
Why?
Brain
4
2024
1663
0.180
Why?
Noise
1
2020
31
0.180
Why?
Early Diagnosis
1
2020
67
0.170
Why?
Mental Status Schedule
2
2018
93
0.170
Why?
Neuroimaging
1
2020
128
0.170
Why?
Cerebral Cortex
1
2020
161
0.160
Why?
Confidence Intervals
2
2017
95
0.160
Why?
Residence Characteristics
1
2020
214
0.160
Why?
Metabolic Networks and Pathways
1
2018
12
0.160
Why?
Phototherapy
1
2019
36
0.160
Why?
Parkinsonian Disorders
1
2022
226
0.160
Why?
Social Networking
1
2018
11
0.150
Why?
Healthy Aging
1
2018
14
0.150
Why?
Hippocampus
1
2020
278
0.150
Why?
Psychotropic Drugs
1
2018
27
0.150
Why?
Interviews as Topic
2
2016
139
0.150
Why?
Behavioral Symptoms
1
2018
15
0.150
Why?
Odds Ratio
2
2017
268
0.150
Why?
Nursing Homes
1
2018
37
0.150
Why?
Socioeconomic Factors
3
2014
308
0.150
Why?
Low Back Pain
1
2019
110
0.140
Why?
Social Environment
1
2018
81
0.140
Why?
Defecation
1
2017
5
0.140
Why?
Starch
1
2017
10
0.140
Why?
Pain Management
1
2019
147
0.140
Why?
Microspheres
1
2017
24
0.140
Why?
Genetic Association Studies
1
2017
85
0.140
Why?
Dietary Fiber
1
2017
25
0.140
Why?
Prebiotics
1
2017
24
0.140
Why?
Invasive Fungal Infections
1
2017
5
0.140
Why?
Aspergillosis
1
2017
11
0.140
Why?
Mucormycosis
1
2017
9
0.140
Why?
Frozen Sections
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
47
0.130
Why?
Warfare
1
2016
14
0.130
Why?
Inflammation
1
2018
284
0.130
Why?
Terrorism
1
2016
14
0.130
Why?
Interview, Psychological
2
2014
42
0.130
Why?
Surveys and Questionnaires
4
2016
1215
0.130
Why?
Parkinson Disease
2
2022
844
0.130
Why?
Reading
1
2016
37
0.130
Why?
Brief Psychiatric Rating Scale
1
2015
7
0.120
Why?
Clinical Competence
2
2015
249
0.120
Why?
Overweight
2
2014
76
0.120
Why?
Self Report
1
2016
221
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?
Health Status
2
2014
224
0.120
Why?
Blood Glucose
2
2014
108
0.120
Why?
Models, Genetic
1
2015
42
0.120
Why?
Anxiety Disorders
1
2016
171
0.120
Why?
Rhinitis
1
2017
143
0.120
Why?
Educational Measurement
1
2015
61
0.120
Why?
Sinusitis
1
2017
161
0.120
Why?
Demography
1
2014
73
0.110
Why?
Hospitalization
2
2014
323
0.110
Why?
Intelligence Tests
1
2014
15
0.110
Why?
Cats
1
2014
30
0.110
Why?
Hypoglycemia
1
2014
13
0.110
Why?
Models, Psychological
1
2014
77
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?
Intestinal Mucosa
1
2015
192
0.110
Why?
Ultrasonography
1
2015
243
0.110
Why?
Stress Disorders, Post-Traumatic
1
2016
235
0.110
Why?
Psychiatric Status Rating Scales
1
2014
324
0.100
Why?
Emergency Medicine
1
2015
97
0.100
Why?
Databases, Factual
1
2014
358
0.100
Why?
Urban Population
1
2013
157
0.100
Why?
Colonoscopy
1
2013
73
0.100
Why?
Diabetes Mellitus
1
2014
137
0.100
Why?
Adenoma
1
2013
60
0.100
Why?
Social Support
1
2014
215
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
112
0.090
Why?
ROC Curve
1
2011
144
0.090
Why?
Gait
1
2015
412
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?
Self Care
1
2010
105
0.080
Why?
Computer Simulation
1
2010
199
0.080
Why?
Quality of Life
1
2014
658
0.080
Why?
Femoracetabular Impingement
1
2015
369
0.070
Why?
Sensitivity and Specificity
3
2017
517
0.070
Why?
Algorithms
1
2010
377
0.070
Why?
Adipose Tissue
2
2005
78
0.070
Why?
Common Cold
1
2006
6
0.070
Why?
Young Adult
3
2018
2069
0.070
Why?
C-Reactive Protein
2
2018
104
0.060
Why?
Animals
1
2014
3780
0.060
Why?
Pilot Projects
2
2019
439
0.060
Why?
Smoking Prevention
1
2005
17
0.060
Why?
Phenotype
2
2016
310
0.060
Why?
Feces
2
2017
108
0.060
Why?
Parent-Child Relations
1
2005
40
0.060
Why?
Observer Variation
2
2015
102
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
47
0.060
Why?
Androgens
1
2004
8
0.060
Why?
Attitude to Health
1
2005
105
0.060
Why?
Double-Blind Method
2
2017
432
0.060
Why?
Testosterone
1
2004
26
0.060
Why?
Metabolic Syndrome
1
2005
62
0.060
Why?
Psychomotor Performance
2
2018
212
0.060
Why?
Parents
1
2005
126
0.060
Why?
Quercetin
1
2022
13
0.050
Why?
Kaempferols
1
2022
12
0.050
Why?
Eating
1
2022
59
0.050
Why?
Cross-Sectional Studies
2
2016
932
0.050
Why?
Leisure Activities
1
2022
15
0.050
Why?
Memory, Short-Term
1
2022
100
0.050
Why?
Diet Surveys
1
2021
25
0.050
Why?
Logistic Models
2
2013
395
0.050
Why?
Atrophy
1
2021
93
0.050
Why?
Tremor
1
2022
117
0.040
Why?
Autopsy
1
2021
343
0.040
Why?
Alcohol Drinking
1
2020
80
0.040
Why?
Smoking
2
2015
176
0.040
Why?
Memory
2
2011
302
0.040
Why?
Pain Threshold
1
2019
21
0.040
Why?
Mendelian Randomization Analysis
1
2018
8
0.040
Why?
Child
2
2018
1421
0.040
Why?
Military Personnel
1
2019
40
0.040
Why?
Schizophrenia
1
2018
63
0.040
Why?
Neurotic Disorders
1
2018
19
0.040
Why?
Threonine
1
2018
10
0.040
Why?
Amino Acid Substitution
1
2018
25
0.040
Why?
Alanine
1
2018
13
0.040
Why?
Gene Frequency
1
2018
63
0.040
Why?
Community Health Planning
1
2018
21
0.040
Why?
Awareness
1
2018
45
0.040
Why?
Bipolar Disorder
1
2018
132
0.040
Why?
Chronic Pain
1
2019
111
0.040
Why?
Fermentation
1
2017
12
0.040
Why?
Constipation
1
2017
19
0.040
Why?
Liver
1
2018
160
0.040
Why?
Veterans
1
2019
97
0.040
Why?
Fatty Acids, Volatile
1
2017
35
0.030
Why?
Mucor
1
2017
5
0.030
Why?
Aspergillus
1
2017
7
0.030
Why?
Educational Status
1
2018
298
0.030
Why?
Adolescent
2
2018
2307
0.030
Why?
Nasal Surgical Procedures
1
2017
10
0.030
Why?
Maternal Age
1
2016
15
0.030
Why?
Oncogene Protein v-akt
1
2016
10
0.030
Why?
Gastrointestinal Tract
1
2017
53
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
17
0.030
Why?
Emigration and Immigration
1
2016
15
0.030
Why?
Nose
1
2017
36
0.030
Why?
Arabs
1
2016
9
0.030
Why?
Phosphatidylinositol 3-Kinases
1
2016
42
0.030
Why?
Washington
2
2006
4
0.030
Why?
Case-Control Studies
1
2018
593
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
298
0.030
Why?
Endoscopy
1
2017
182
0.030
Why?
Chromosomes, Human
1
2015
7
0.030
Why?
Knee
1
2015
45
0.030
Why?
Kidney Function Tests
1
2015
22
0.030
Why?
Healthy Volunteers
1
2015
41
0.030
Why?
Meta-Analysis as Topic
1
2015
42
0.030
Why?
Gastrointestinal Microbiome
1
2017
181
0.030
Why?
Decision Making
1
2017
226
0.030
Why?
Intestinal Absorption
1
2015
37
0.030
Why?
Hip
1
2015
65
0.030
Why?
Permeability
1
2015
120
0.030
Why?
Kinetics
1
2015
194
0.030
Why?
China
1
2014
52
0.030
Why?
Retrospective Studies
2
2014
3609
0.030
Why?
Leukocyte L1 Antigen Complex
1
2014
8
0.030
Why?
Body Weight
2
2004
144
0.030
Why?
Interleukins
1
2014
25
0.030
Why?
Point-of-Care Systems
1
2015
62
0.030
Why?
Hydrocortisone
1
2014
40
0.030
Why?
Sex Characteristics
1
2015
118
0.030
Why?
Disease-Free Survival
1
2014
177
0.030
Why?
Acute Kidney Injury
1
2014
47
0.030
Why?
Radiography
1
2015
639
0.030
Why?
Chi-Square Distribution
1
2013
146
0.030
Why?
Biomechanical Phenomena
1
2015
645
0.030
Why?
Attention
1
2014
131
0.030
Why?
Critical Illness
1
2014
135
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
704
0.020
Why?
Length of Stay
1
2014
328
0.020
Why?
Perception
1
2011
78
0.020
Why?
Intensive Care Units
1
2014
301
0.020
Why?
Risk
1
2011
205
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
15
0.020
Why?
Psychometrics
1
2010
244
0.020
Why?
Caregivers
1
2011
203
0.020
Why?
Influenza Vaccines
1
2006
11
0.020
Why?
Severity of Illness Index
1
2010
985
0.020
Why?
Respiratory Tract Infections
1
2006
27
0.020
Why?
Leptin
1
2005
22
0.020
Why?
Health Education
1
2005
53
0.020
Why?
Ghrelin
1
2004
2
0.020
Why?
Body Size
1
2004
13
0.010
Why?
Homeostasis
1
2005
67
0.010
Why?
Insulin Resistance
1
2005
52
0.010
Why?
Radioimmunoassay
1
2004
17
0.010
Why?
Body Composition
1
2005
69
0.010
Why?
Energy Intake
1
2004
82
0.010
Why?
Patient Compliance
1
2005
164
0.010
Why?
Tomography, X-Ray Computed
1
2004
730
0.010
Why?
Breast Neoplasms
1
2004
409
0.010
Why?
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