tryptophan has been researched along with Age-Related Memory Disorders in 28 studies
| Timeframe | Studies, this research(%) | All Research% |
|---|---|---|
| pre-1990 | 1 (3.57) | 18.7374 |
| 1990's | 1 (3.57) | 18.2507 |
| 2000's | 13 (46.43) | 29.6817 |
| 2010's | 10 (35.71) | 24.3611 |
| 2020's | 3 (10.71) | 2.80 |
| Authors | Studies |
|---|---|
| Ahmad, S; Alam, M; Azizuddin, -; Khaliq, S; Mustafa, S; Raza, U; Samad, N; Yasmin, F | 1 |
| Cheng, Y; Guo, Y; Liu, Y; Qian, H; Wang, C; Zhu, H | 1 |
| Bolaños-Jiménez, F; Croyal, M; García Santillán, JA; Gourdel, M; Mezo-González, CE; Reyes-Castro, LA | 1 |
| Anderson, G; Carvalho, AF; Geffard, M; Hemrungrojn, S; Kanchanatawan, B; Maes, M; Ruxrungtham, K; Sirivichayakul, S; Thika, S | 1 |
| Arora, D; Basu Mallik, S; Fernandes, J; Mudgal, J; Nampoothiri, M; Pai, KSR; Rao, CM | 1 |
| Carvalho, AF; Geffard, M; Kanchanatawan, B; Maes, M; Sirivichayakul, S; Thika, S | 1 |
| Carvalho, AF; Kanchanatawan, B; Maes, M; Sirivichayakul, S; Thika, S | 1 |
| Freire, RC; Nardi, AE; Quagliato, LA | 1 |
| Akkerman, S; Blokland, A; Prickaerts, J; Rutten, K; Steinbusch, HW; van Donkelaar, EL | 2 |
| Ahmad, S; Haider, S; Tabassum, S | 1 |
| Allen, AP; Clarke, G; Cryan, JF; Dinan, TG; Kennedy, PJ; O'Neill, A; Quigley, EM | 1 |
| Antunes, MS; Boeira, SP; de Oliveira Espinosa, D; Donato, F; Giacomeli, R; Gomes, NS; Jesse, CR; Ruff, JR; Souza, LC | 1 |
| Blokland, A; Postma, A; Riedel, WJ; Sambeth, A; Schmitt, JA; Tillie, DE | 1 |
| Blokland, A; Cools, AR; Deen, PM; Ellenbroek, BA; Jans, LA; Korte, SM; Korte-Bouws, GA; Olivier, JD | 1 |
| Ardis, TC; Bell, R; Cahir, M; Cooper, SJ; Elliott, JJ; Jenkins, TA; Reynolds, GP | 1 |
| Klaassen, T; Riedel, WJ; Schmitt, JA | 1 |
| Honig, A; Riedel, WJ; Schmitt, JA; Sobczak, S | 1 |
| Cobain, MR; Cowen, PJ; Durlach, PJ; Green, MW; Healy, H; Jones, AD; Powell, J; Smith, ID; Williams, JM | 1 |
| Bloch, Y; Fennig, S; Grauer, E; Levkovitz, Y; Ophir-Shaham, O; Treves, I | 1 |
| Elfgren, C; Froelich Fabre, S; Gustafson, L; Lannfelt, L; Nilsson, K; Ostojic, J; Passant, U | 1 |
| Blokland, A; Lieben, CK; Schreiber, R; Sik, A; Sung, E; van Nieuwenhuizen, P | 1 |
| Ahmed, SP; Haider, S; Haleem, DJ; Perveen, T; Shameem, S | 1 |
| Blokland, A; Lieben, C; Rutten, K; Smits, L | 1 |
| Gilles, C; Luthringer, R | 1 |
| Deutz, NE; Klaassen, T; Riedel, WJ; van Praag, HM; van Someren, A | 1 |
| Bragina, J; Heisenberg, M; Kamyshev, N; Kornhuber, J; Popov, A; Riederer, P; Savvateeva, E; Senitz, D | 1 |
| Fischer-Perroudon, C; Jouvet, M; Mouret, J | 1 |
2 review(s) available for tryptophan and Age-Related Memory Disorders
| Article | Year |
|---|---|
Tryptophan, mood, and cognitive function.
Topics: Affect; Attention; Cognition; Cognition Disorders; Depressive Disorder; Humans; Memory; Memory Disorders; Mood Disorders; Serotonin; Tryptophan | 2002 |
Pharmacological models in healthy volunteers: their use in the clinical development of psychotropic drugs.
Topics: Apomorphine; Cognition Disorders; Dopamine Agonists; Excitatory Amino Acid Antagonists; GABA Modulators; Humans; Ketamine; Lorazepam; Memory Disorders; Models, Psychological; Muscarinic Antagonists; Panic Disorder; Psychotropic Drugs; Scopolamine; Tryptophan | 2007 |
4 trial(s) available for tryptophan and Age-Related Memory Disorders
| Article | Year |
|---|---|
Acute tryptophan depletion reduces kynurenine levels: implications for treatment of impaired visuospatial memory performance in irritable bowel syndrome.
Topics: Adolescent; Adult; Cross-Over Studies; Double-Blind Method; Female; Hippocampus; Humans; Irritable Bowel Syndrome; Kynurenine; Memory Disorders; Photic Stimulation; Psychomotor Performance; Treatment Outcome; Tryptophan; Young Adult | 2015 |
Memory impairments in humans after acute tryptophan depletion using a novel gelatin-based protein drink.
Topics: Adult; Affect; Amino Acids, Essential; Cross-Over Studies; Dietary Proteins; Dietary Supplements; Double-Blind Method; Drinking; Female; Gelatin; Humans; Male; Memory Disorders; Memory, Short-Term; Mental Recall; Placebos; Surveys and Questionnaires; Task Performance and Analysis; Tryptophan; Verbal Learning | 2009 |
Effect of L-tryptophan on memory in patients with schizophrenia.
Topics: Adult; Antipsychotic Agents; Cross-Over Studies; Double-Blind Method; Drug Therapy, Combination; Female; Humans; Male; Memory; Memory Disorders; Neuropsychological Tests; Psychiatric Status Rating Scales; Schizophrenia; Schizophrenic Psychology; Tryptophan | 2003 |
Tryptophan depletion in normal volunteers produces selective impairment in memory consolidation.
Topics: Adolescent; Adult; Amino Acids; Cognition; Cross-Over Studies; Depressive Disorder, Major; Double-Blind Method; Female; Humans; Learning; Male; Memory Disorders; Middle Aged; Sex Characteristics; Tryptophan | 1999 |
22 other study(ies) available for tryptophan and Age-Related Memory Disorders
| Article | Year |
|---|---|
Tryptophan lessens reserpine induced anxiety, depression and memory impairment by modulating oxidative stress and serotonergic activity.
Topics: Acetylcholinesterase; Animals; Anti-Anxiety Agents; Antidepressive Agents; Antidepressive Agents, Second-Generation; Anxiety; Depression; Gene Expression Regulation, Enzymologic; Lipid Peroxidation; Memory Disorders; Oxidative Stress; Rats; Reserpine; Stress, Psychological; Tryptophan | 2021 |
Topics: Adenosine; AMP-Activated Protein Kinases; Animals; Brassica napus; Brassica rapa; Cognition; Fatigue; Glutamates; Hippocampus; Maze Learning; Memory Disorders; Mice; Neuroinflammatory Diseases; Neuroprotective Agents; Peroxisome Proliferator-Activated Receptors; Peroxisome Proliferators; Prospective Studies; Reactive Oxygen Species; Sleep Deprivation; Tibet; Tryptophan | 2022 |
Obesity-Induced Memory Deficits in Female Rats Are Oestrous Cycle Dependent and Linked to Impaired Brain Kynurenine Pathway Metabolism.
Topics: Animals; Brain; Female; Kynurenic Acid; Kynurenine; Memory Disorders; NAD; Obesity; Rats; Tryptophan | 2023 |
Changes in Tryptophan Catabolite (TRYCAT) Pathway Patterning Are Associated with Mild Impairments in Declarative Memory in Schizophrenia and Deficits in Semantic and Episodic Memory Coupled with Increased False-Memory Creation in Deficit Schizophrenia.
Topics: Adult; Case-Control Studies; Female; Humans; Linear Models; Male; Memory Disorders; Memory, Episodic; Multivariate Analysis; Neuropsychological Tests; Schizophrenia; Semantics; Tryptophan | 2018 |
N-acetyl-L-tryptophan, a substance-P receptor antagonist attenuates aluminum-induced spatial memory deficit in rats.
Topics: Acetylcholinesterase; Aluminum Chloride; Aluminum Compounds; Animals; Apoptosis; Behavior, Animal; Brain; Chlorides; Disease Models, Animal; Glutathione; GPI-Linked Proteins; Male; Maze Learning; Memory Disorders; Neurokinin-1 Receptor Antagonists; Neuroprotective Agents; Oxidative Stress; Rats, Wistar; Spatial Memory; Time Factors; Tryptophan | 2018 |
In Schizophrenia, Depression, Anxiety, and Physiosomatic Symptoms Are Strongly Related to Psychotic Symptoms and Excitation, Impairments in Episodic Memory, and Increased Production of Neurotoxic Tryptophan Catabolites: a Multivariate and Machine Learning
Topics: Adolescent; Adult; Aged; Anxiety; Depression; Female; Humans; Machine Learning; Male; Medically Unexplained Symptoms; Memory Disorders; Middle Aged; Multivariate Analysis; Psychiatric Status Rating Scales; Thailand; Tryptophan; Young Adult | 2018 |
A New Schizophrenia Model: Immune Activation is Associated with the Induction of Different Neurotoxic Products which Together Determine Memory Impairments and Schizophrenia Symptom Dimensions.
Topics: Anxiety; Anxiety Disorders; Humans; Memory Disorders; Neuropsychological Tests; Schizophrenia; Tryptophan; Xanthurenates | 2019 |
Elevated peripheral kynurenine/tryptophan ratio predicts poor short-term auditory memory in panic disorder patients.
Topics: Adolescent; Adult; Auditory Perception; Biomarkers; Female; Humans; Kynurenine; Male; Memory Disorders; Middle Aged; Panic Disorder; Tryptophan; Young Adult | 2019 |
No effect of acute tryptophan depletion on phosphodiesterase inhibition--related improvements of short-term object memory in male Wistar rats.
Topics: Animals; Behavior, Animal; Diet Therapy; Disease Models, Animal; Dose-Response Relationship, Drug; Hippocampus; Imidazoles; Male; Memory Disorders; Memory, Short-Term; Phosphodiesterase 5 Inhibitors; Piperazines; Rats; Rats, Wistar; Recognition, Psychology; Serotonin; Sulfones; Synaptic Transmission; Triazines; Tryptophan; Vardenafil Dihydrochloride | 2013 |
Role of decreased plasma tryptophan in memory deficits observed in type-I diabetes.
Topics: Adult; Case-Control Studies; Diabetes Mellitus, Type 1; Female; Humans; Male; Memory Disorders; Middle Aged; Tryptophan | 2013 |
Indoleamine-2,3-dioxygenase mediates neurobehavioral alterations induced by an intracerebroventricular injection of amyloid-β1-42 peptide in mice.
Topics: Amyloid beta-Peptides; Animals; Anxiety; Behavior, Animal; Depression; Disease Models, Animal; Hippocampus; Indoleamine-Pyrrole 2,3,-Dioxygenase; Inflammation; Injections, Intraventricular; Kynurenine; Memory Disorders; Mice; Nerve Growth Factors; Peptide Fragments; Prefrontal Cortex; Recognition, Psychology; Tryptophan | 2016 |
Acute tryptophan depletion dose dependently impairs object memory in serotonin transporter knockout rats.
Topics: Amino Acids; Animals; Dose-Response Relationship, Drug; Frontal Lobe; Gene Knockout Techniques; Genotype; Hippocampus; Hydroxyindoleacetic Acid; Male; Memory Disorders; Rats; Recognition, Psychology; Serotonin; Serotonin Plasma Membrane Transport Proteins; Tryptophan | 2008 |
Phosphodiesterase 2 and 5 inhibition attenuates the object memory deficit induced by acute tryptophan depletion.
Topics: Animals; Cyclic AMP; Cyclic GMP; Cyclic Nucleotide Phosphodiesterases, Type 2; Disease Models, Animal; Dose-Response Relationship, Drug; Imidazoles; Male; Memory; Memory Disorders; Nitric Oxide; Phosphodiesterase 5 Inhibitors; Phosphodiesterase Inhibitors; Piperazines; Rats; Rats, Wistar; Serotonin; Sulfones; Triazines; Tryptophan; Vardenafil Dihydrochloride | 2008 |
Tryptophan depletion impairs object-recognition memory in the rat: reversal by risperidone.
Topics: Animals; Brain; Chromatography; Diet; Disease Models, Animal; Hydroxyindoleacetic Acid; Male; Memory Disorders; Motor Activity; Rats; Recognition, Psychology; Risperidone; Serotonin; Serotonin Antagonists; Tryptophan | 2010 |
Pronounced cognitive deficits following an intravenous L-tryptophan challenge in first-degree relatives of bipolar patients compared to healthy controls.
Topics: Adult; Bipolar Disorder; Cognition Disorders; Cross-Over Studies; Double-Blind Method; Female; Humans; Infusions, Intravenous; Linear Models; Male; Memory Disorders; Psychomotor Performance; Statistics, Nonparametric; Tryptophan | 2003 |
Impairments in working memory associated with naturalistic dieting in women: no relationship between task performance and urinary 5-HIAA levels.
Topics: Adult; Body Image; Cognition; Diet, Reducing; Female; Humans; Hydroxyindoleacetic Acid; Memory Disorders; Middle Aged; Receptors, Serotonin; Task Performance and Analysis; Tryptophan | 2003 |
The tau R406W mutation causes progressive presenile dementia with bitemporal atrophy.
Topics: Age of Onset; Alzheimer Disease; Arginine; Atrophy; Genes, Dominant; Humans; Memory Disorders; Middle Aged; Mutation; Pedigree; tau Proteins; Temporal Lobe; Time Factors; Tryptophan | 2004 |
The selective 5-HT6 receptor antagonist Ro4368554 restores memory performance in cholinergic and serotonergic models of memory deficiency in the rat.
Topics: Animals; Cholinesterase Inhibitors; Cognition; Discrimination, Psychological; Dose-Response Relationship, Drug; Indoles; Male; Memory Disorders; Muscarinic Antagonists; Parasympathetic Nervous System; Piperazines; Rats; Rats, Wistar; Receptors, Serotonin; Recognition, Psychology; Scopolamine; Serotonin; Serotonin Antagonists; Trichlorfon; Tryptophan | 2005 |
Repeated administration of lead decreases brain 5-HT metabolism and produces memory deficits in rats.
Topics: Animals; Avoidance Learning; Brain; Eating; Hydroxyindoleacetic Acid; Lead; Male; Maze Learning; Memory; Memory Disorders; Rats; Rats, Wistar; Serotonin; Tryptophan | 2005 |
The PDE4 inhibitor rolipram reverses object memory impairment induced by acute tryptophan depletion in the rat.
Topics: Amino Acids; Animals; Behavior, Animal; Complex Mixtures; Cyclic AMP; Dose-Response Relationship, Drug; Gelatin; Injections, Intraperitoneal; Male; Memory; Memory Disorders; Phosphodiesterase Inhibitors; Random Allocation; Rats; Rats, Wistar; Rolipram; Serotonin; Tryptophan | 2007 |
Age-dependent memory loss, synaptic pathology and altered brain plasticity in the Drosophila mutant cardinal accumulating 3-hydroxykynurenine.
Topics: Age Factors; Animals; Courtship; Drosophila; Kynurenic Acid; Kynurenine; Learning; Male; Memory Disorders; Mutation; Neuroglia; Tryptophan | 2000 |
[Case of agrypnia (4 months without sleep) in Morvan's disease. Favorable action of 5-hydroxytryptophan].
Topics: 5-Hydroxytryptophan; Adult; Chorea; Dose-Response Relationship, Drug; Electroconvulsive Therapy; Electroencephalography; Hallucinations; Humans; Hydroxyindoleacetic Acid; Hypnotics and Sedatives; Leg; Male; Memory Disorders; Myoclonus; Sleep Deprivation; Sleep Initiation and Maintenance Disorders; Sleep Stages; Sleep, REM; Time Factors; Tryptophan; Wakefulness | 1974 |