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. 2023 Jan 14;54:105–118. doi: 10.1016/j.jare.2023.01.006

Fig. 2.

Fig. 2

Unbalance of inhibition/excitation states of neurons induces the progression from healthy to early AD. Certain events can trigger the unbalance of the signaling that regulates inhibition/excitation of neurons. Inefficient compensatory mechanisms lead to aberrant neural circuit activity and reduced synaptic plasticity. These physiopathological events cause the cognitive deficits associated with Alzheimer disease (AD).