Mental health conditions are discrete clinical entities — each with specific, measurable behavioural manifestations rooted in identifiable neurobiological processes.
OCD: Rituals as Anxiety Management
OCD is characterised by intrusive obsessions and compulsions — repetitive behaviours performed to neutralise anxiety. The compulsion temporarily reduces distress, reinforcing the behaviour through negative reinforcement, making the cycle increasingly entrenched.
Schizophrenia: Positive and Negative Symptoms
Positive symptoms (excesses): hallucinations, delusions, disorganised speech. Negative symptoms (deficits): flat affect, alogia, avolition, anhedonia, social withdrawal.
Bipolar Disorder: The Poles
During mania: decreased sleep need, grandiosity, pressured speech, reckless behaviour. During depression: withdrawal, psychomotor slowing, hopelessness.
PTSD: Hypervigilance and Avoidance
Hypervigilance, exaggerated startle, avoidance of reminders, emotional numbing, flashbacks, irritability — all resulting from the brain’s trauma-response circuitry becoming chronically activated.
ADHD: Attention Dysregulation
Not a total lack of attention but dysregulation — difficulty sustaining attention on non-preferred tasks, hyperfocus on preferred ones, impulsivity, poor time perception.
BPD: Emotional Dysregulation
Profound instability in emotion, identity, and relationships — fear of abandonment, idealisation/devaluation (splitting), emotional intensity, chronic emptiness.
Every behavioural symptom in mental illness tells a story of a nervous system struggling to cope. Viewing behaviour through this lens transforms judgement into understanding.
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