The two EEG snapshots below represent the same EEG waveform displayed using two different montages. Which of the following statements is MOST accurate?

• The bipolar montage demonstrates a phase reversal at T7, indicating that T7 is the site of maximal negativity
• The referential (average) montage demonstrates maximal amplitude at FT9, suggesting that the epileptiform discharge has a left anterior temporal maximum
• The absence of a phase reversal on the bipolar montage excludes a temporal epileptiform discharge
• Bipolar montages are superior to referential montages for determining the channel with the greatest voltage amplitude

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