Created by Bhavi Mistry
over 11 years ago
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Question | Answer |
Neurobiology of ADHD: | Cortical hypofunction Subcortical + subcortical regulation imbalance Catecholamine imbalance (coffee analogy) |
PFC: | Regulation of behaviour, attention and affect using representational knowledge |
DA | PFC: Decreases "noise" via activation of D1Rs |
Clonidine | Alpha 2 antagonist Treatment of impulsivity |
Desipramine | NA TCA Impulsivity treatment |
Addiction | Correlation between low D2R numbers and addiction (+ liking the drug) Loss of control pathways - disruption of balance and ability to make rational decisions |
Diseases of hypodopaminergic function | Cocaine addiction Alcoholism Obesity |
alpha 2 receptors | Increase food intake Central regulation of food control |
5HT 2C Rs | Decrease food intake Central control of food intake |
Monoamines | 5HT and NA Peripheral regulation of food intake |
Beta 3 adrenoceptor | Increases thermogenesis Peripheral regulation of food intake |
Hormonal control of feeding | NPY (leptin) Melanocrotin Galantin Insulin |
Phentermine | Sympathomimetic Decreases feeding |
Fenfluramine | SSRI Decreasing addiction |
Rimonanabant | Selective CBIR blocker Control of addiction/feeding |
Lorcaserin | Selective 5HT2C antagonist decrease of food intake |
Orlistat | lipase inhibitor Peripheral treatment of obesity |
NA | Locus coeruleus Vigilance |
5HT | Impulse control and cognitive flexibility |
DA | Drive |
Atomexetine | ADHD treatment Cognitive enhancer NA>DA/5HT |
Venaflaxine | Anxiety and eating disorders SSRI 5HT>NA>>DA |
Sibutramine | Eating disorders SSRI 5HT>>NA>>DA |
Methylphenidate | ADHD Cognitive enhancer NA/DA>5HT |
Buproprion | Smoking cessation |
ADHD Core symptoms | Inattention Impulsivity Hyperactivity |
ADHD Treatment: | Methylphenidate and atomoxetine Increases NA/DA, restores balance, improves function |
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