Crossword Genius

Doctor Alec right! Made a beeline to the headland showing unaffected perception (5-10)

Ross

I believe the answer is:

clear-headedness

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'unaffected perception' is the definition.
The definition suggests a singular noun which matches the answer.

'doctor alec right made a beeline to the headland' is the wordplay.
'doctor' indicates an anagram.
'right' becomes 'r' (common abbreviation).
'made a beeline' becomes 'headed' (I am not sure about this - if you are sure you should give a lot more credence to this answer).
'to the headland' becomes 'ness' (I've seen this before).
'alec' anagrammed gives 'clea'.
'clea'+'r'+'headed'+'ness'='CLEAR-HEADEDNESS'

'showing' is the link.

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I've seen this clue in the Sydney Morning Herald.
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