What can occur as a result of improper EEG electrode placement?

Improper EEG electrode placement can indeed result in increased baseline shifts in electrical activity. When electrodes are not positioned according to standardized locations, the spatial relationship of the electrodes to the underlying brain structures is altered. This misalignment can lead to inaccurate recordings of the brain's electrical activity, resulting in unexpected shifts in the baseline. Such shifts reflect fluctuations in the overall electrical potential and can confuse the interpretation of the data, making it difficult to identify true neurological events.

The other options do not describe the outcomes of improper electrode placement. Enhanced signal accuracy is contingent upon proper electrode positioning; misplacement does not improve accuracy. Similarly, inappropriate electrode locations can actually increase noise levels, rather than reduce them, as they may pick up extraneous electrical interference. Finally, while delta wave activity can be influenced by many factors, improper placement specifically does not lead to a generalized amplification of delta waves without context from other variables affecting brain activity. Thus, the correct answer highlights a significant consequence of electrode misplacement in EEG procedures.