Characteristics such as ‘lacking reading fluency’, ‘reversion of words’, ‘tendency towards distraction’are typical identifying characteristics of :

The correct answer is Dyslexia.

Explanation:

Learning disorders and neurodevelopmental conditions present with specific sets of behavioural and cognitive characteristics:

1. Dyslexia: It is a learning disability that primarily affects reading and related language-based processing skills. Typical characteristics include:
- Lacking reading fluency: Difficulty with accurate and/or fluent word recognition, poor spelling, and decoding abilities.
- Reversion of words/letters: Frequently confusing similar letters (like 'b' and 'd') or reversing words (like 'was' and 'saw') during reading or writing.
- Tendency towards distraction: Experiencing mental fatigue and secondary distraction due to the intense effort required to decode text.

2. Autism Spectrum Disorder (ASD): A developmental condition characterized by challenges with social communication, restricted interests, and repetitive behaviors.

3. Dementia: An overall term for diseases and conditions characterized by a decline in memory, language, problem-solving, and other thinking skills that affects a person's ability to perform everyday activities.

4. Attention Deficit Hyperactivity Disorder (ADHD): A neurodevelopmental disorder marked by an ongoing pattern of inattention, hyperactivity, and/or impulsivity.

Therefore, characteristics such as lacking reading fluency, reversing words, and reading-induced distraction are most typically associated with Dyslexia.