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Tryptophan Research

Effects of tryptophan depletion on serum levels of brain-derived neurotrophic factor in unmedicated patients with remitted depression and healthy subjects.

Tryptophan depletion affects heart rate variability and impulsivity in remitted depressed patients with a history of suicidal ideation.

Effects of acute tryptophan depletion on cognition, memory and motor performance in Parkinson's disease.

Effect of tryptophan depletion on smokers and nonsmokers with and without history of major depression.

Tryptophan depletion increases nausea, headache and photophobia in migraine sufferers.

Acute tryptophan depletion alters gastrointestinal and anxiety symptoms in irritable bowel syndrome.

Sex differences in the effect of acute tryptophan depletion on declarative episodic memory: a pooled analysis of nine studies.

Diminished serotonergic functioning in hostile children with ADHD: tryptophan depletion increases behavioural inhibition.

Acute tryptophan depletion in healthy males attenuates phasic cardiac slowing but does not affect electro-cortical response to negative feedback.

Effects of acute tryptophan depletion on affective processing in first-degree relatives of depressive patients and controls after exposure to uncontrollable stress.

Acute tryptophan depletion and self-injurious behavior in aggressive patients and healthy volunteers.

Acute tryptophan depletion and sweet food consumption by overweight adults.

Acute tryptophan depletion evokes negative mood in healthy females who have previously experienced concurrent negative mood and tryptophan depletion.

Tryptophan in wasting diseases: at the crossing between immune function and behaviour.

Impact of acute tryptophan depletion on mood and eating-related urges in bulimic and nonbulimic women.

Effects of tryptophan depletion on anxiety induced by simulated public speaking.

Tryptophan supplementation induces a positive bias in the processing of emotional material in healthy female volunteers.

The role of serotonin in nonnormative risky choice: the effects of tryptophan supplements on the "reflection effect" in healthy adult volunteers.
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