Please reword in your own words this whole figure.... thank you Various effects

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Please reword in your own words this whole figure.... thank you

Various effects on learning and memory as a function of the magnitude of stress. At a mild level of stress, certain neurochemical systems (for example, catecholamines, opiates, glucocorticoids) might affect learning. As the level of stress increases (in duration and/or intensity), several transient and permanent changes are observed in the hippocampus, including modifications in synaptic plasticity, morphological changes, suppression of adult neurogenesis and neuronal endangerment. These stress-associated changes in the brain can potentially influence learning-and-memory processes.

Explanation / Answer

The given model is known as “The stressed hippocampus, synaptic plasticity and lost memories” model

Stress is a powerful modulator of learning and memory processes. There are various factors which account for the impact of stress. These can be

There have been a many study attempts to explain the diversity of effects described for the impact of stress on memory function to explain the whole complexity of effects. The high stress levels tend to facilitate activation of Neurochemical systems, Synaptic plasticity, morphological changes and finally necrosis, ageing and neurogenesis which drives into Learning and memory development.

All above factors are essential to develop learning and memory that defines the outcome of stress effects in memory processes. However, glucocorticoids were established as a common mediating mechanism for both the facilitating and impairing actions of stress in different memory processes phases. Also along with the brain regions implicated, the hippocampus and prefrontal cortex were observed as critical for the mediation of stress effects.

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