Neurotransmitter

Page 1 of 50 - About 500 essays
  • What are Neurotransmitters?

    546 Words  | 2 Pages

    if certain substances called neurotransmitters didn’t exist. Neurotransmitters are substances in our body that carry signals from one nerve cell to another. Without these neurotransmitters in our body, we wouldn’t receive crucial signals such as telling our heart to beat. Six of the most common neurotransmitters in our body are dopamine, serotonin, endorphins, norepinephrine, acetylcholine, and gamma-aminobutyric acid (GABA). Of the six most common neurotransmitters, dopamine is probably the one

  • Essay about Neurotransmitters

    1594 Words  | 7 Pages

    Neurotransmitters Neurotransmitters are chemicals made by neurons and used by them to transmit signals to the other neurons or non-neuronal cells (e.g., skeletal muscle; myocardium, pineal glandular cells) that they innervate. The neurotransmitters produce their effects by being released into synapses when their neuron of origin fires (i.e., becomes depolarized) and then attaching to receptors in the membrane of the post-synaptic cells. This causes changes in the fluxes of particular ions across

  • Neurotransmitters and Behaviour Essay

    1482 Words  | 6 Pages

    ‘Virtually all functions in life are controlled by neurotransmitters.’ Neurotransmission are the body’s regular chemical messengers which transfer data from one neuron to another. Thus, they are unquestionably one of the building blocks of behaviour. Neurotransmitters are potent chemicals that adjust various physical and responsive processes such as psychological performance, emotional conditions and agony reaction. Thence, relations between neurotransmitters and the brain chemicals have an unfathomable

  • The Impact of Neurotransmitters on Physical and Mental Behavior

    1445 Words  | 6 Pages

    Impact of Neurotransmitters on Physical and Mental Behavior The neurons inside of the central and peripheral nervous system are responsible for all human activity. A Neurotransmitter is a chemical that is released by a neuron's terminal button. Neurotransmitters have either an excitatory or an inhibitory effect on the other nearby neurons. Neurotransmitters are a very important part of the Central Nervous System (CNS) because they allow communication to occur inside neurons as well as between neurons

  • Neurotransmitter and Maximal Contractile Response Essay

    779 Words  | 4 Pages

    A decrease in stimulus frequency results in a greater number of contractions within the ileum. An increase in the stimulus frequency results in a decrease in the release of neurotransmitters, further inhibiting the contractions of the ileum. B. MIMICKING THE ACTION OF THE AUTONOMIC NERVOUS SYSTEM USING DRUGS  Attach copies of your experimental recordings showing the response of the ileum to the direct addition of noradrenaline

  • Neurotransmitter

    605 Words  | 3 Pages

    process of neurotransmitters can trigger short term changes such as postsynaptic potentials also called membrane potential, or longer term changes depends on the stimulation of signaling cascades. It is essential for nerve impulses to assist in the propagation of signals in which they sent to and from the central nervous system (CNS) through efferent and afferent neurons. These signals coordinate both skeletal and

  • Happiness : Depression And Happiness

    962 Words  | 4 Pages

    attempted to be explained with theories. These theories look at the a person’s environment, genetics, and even the chemical balances of their brain. Neurotransmitters, chemicals used by neurons to transmit signals, may have a significant impact on a person’s mood. One of these neurotransmitters, Serotonin, has been linked with depression. A neurotransmitter, or NT, is “a substance produced in and released from a neuron to affect some aspect of neuronal function without being transported in the blood”

  • Alcohol and its Effects Essay

    1133 Words  | 5 Pages

    The role of neurotransmitters in the brain is to either stimulate or inhibit the flow of an impulse between neurons. The GABA is an example of a neurotransmitter that is used as an inhibitor, where the 5 HT and dopamine can have either function of stimulating or inhibiting impulse, depending on what area of the brain it is at. All three neurotransmitters are involved in influencing some type of behavior through their inhibition or

  • Chemical Compounds That Transmit Neural Signals From One Neuron

    1475 Words  | 6 Pages

    3.3.1 Neurotransmitter indicators Neurotransmitters are endogenous chemical compounds that transmit neural signals from one neuron to another. Many neurotransmitters are amino acids, such as glutamate, glycine and GABA, or biogenic amines, such as dopamine and serotonin, or even peptides and proteins, such as somatostatin and substance P {Snyder 1979}. Binding of neurotransmitters may either inhibit or excite the postsynaptic neurons. Among the numerous neurotransmitters, glutamate is the major excitatory

  • Depression And Depression : Depression Vs. Anxiety

    1312 Words  | 6 Pages

    differences. But first, what is depression? Depression is caused by three neurotransmitters serotonin, norepinephrine, and dopamine. The definition of neurotransmitter is, “chemical messengers that allow the brain to communicate with the body” (Loudin). Neurotransmitter is basically a fancy doctor term that means a chemical in the brain that passes on messages to different parts of the brain. These three neurotransmitters are responsible for how happy someone

Previous
Page12345678950