PSYC450

Athabasca University (AU )

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Chapter 8: Glutamate and GABA Chapter 8: Glutamate and GABA
  • College aantekeningen

    Chapter 8: Glutamate and GABA

  • Chapter 8 provides an extensive overview of the roles of the neurotransmitters glutamate and GABA in the central nervous system. It delves into these neurotransmitters' synthesis, release, and inactivation processes, emphasizing their critical functions in excitatory and inhibitory neural transmission, respectively. The chapter highlights the mechanisms of excitotoxicity caused by excessive glutamate stimulation, which can lead to neuronal damage and death. This phenomenon is implicated in vari...
  • rowanballanger
    $6.54 Meer Info
Chapter 7 : Acetylcholine Chapter 7 : Acetylcholine
  • College aantekeningen

    Chapter 7 : Acetylcholine

  • Chapter 7 on acetylcholine provides a comprehensive overview of the role and mechanisms of this essential neurotransmitter. It discusses the synthesis of acetylcholine (ACh) by the enzyme choline acetyltransferase from choline and acetyl coenzyme A and how its production is influenced by precursor availability and neuronal activity. The chapter also covers the storage and release of ACh in synaptic vesicles and the impact of various drugs and toxins on these processes, highlighting the effects o...
  • rowanballanger
    $6.54 Meer Info
Chapter 6: Serotonin Chapter 6: Serotonin
  • College aantekeningen

    Chapter 6: Serotonin

  • Chapter 6 - Serotonin provides a comprehensive overview of serotonin, covering its synthesis, release, inactivation, and functional roles within the brain and body. The chapter begins with a detailed explanation of serotonin synthesis, emphasizing the conversion of tryptophan to serotonin through the action of specific enzymes like tryptophan hydroxylase (TPH) and aromatic amino acid decarboxylase (AADC). It highlights the importance of dietary tryptophan and discusses various factors affecting ...
  • rowanballanger
    $6.54 Meer Info
Chapter 5: Catecholamines Catecholamines
  • College aantekeningen

    Chapter 5: Catecholamines Catecholamines

  • Chapter 5 focuses on catecholamines, a group of neurotransmitters that include dopamine, norepinephrine, and epinephrine. The chapter begins by discussing the synthesis of catecholamines, outlining the multi-step biochemical pathways that convert tyrosine to dopamine, norepinephrine, and epinephrine. It emphasizes the role of specific enzymes, such as tyrosine hydroxylase, which catalyzes the rate-limiting step in catecholamine synthesis. The regulation of these synthetic pathways is also covere...
  • rowanballanger
    $6.54 Meer Info
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