brain mind head silhouette

acuity acumen alertness aptness art astuteness background brain braininess brainpower brains brilliance canniness cleverness clip clipart comprehension concept discernment face faces facing figure figures giftedness head heads human insight intelectual inteligence intellect intuition judgement knowledge meditation mental mind orange people perception perceptiveness perspicacity powers quickness reason reasoning sense shape sharpness sideways silhouette silhouettes skills smartness talent think thinking thought understanding wit